浅谈fuse选型的几种折减特性

时间： 2024-10-24 来源：AEM科技公众号

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电路的安全设计方面，选择合适的fuse为线路加一道安全闸门是一种高可靠和高性价比的选择方案。设计工程师都会十分关注电路中稳态工作电流I对fuse的影响，为了确保fuse与整个产品同寿命周期，避免异常熔断，有的工程师会根据经验，直接将fuse的额定规格选为线路稳态工作电流的1.5倍，从而留有一定的安全余量，实际上这类做法并非精确选型，而我们强调的原则是：“该断时及时断，不该断时不能断，时时保证安全”，满足上述的选型原则，关键是做好fuse的折减特性。总体来讲，fuse的折减特性分为三大部分：

一、稳态电流的折减

在线路稳态电流的评估中，为了fuse长期稳定工作而不异常熔断，会考虑寿命的折减。业界通常的做法，但根据每家制造商的产品特点和水准不同，电流折减系数并非统一的标准。例如AEM 的几种技术工艺平台的不同，电流折减系数都有略微差异，根据产品规格书的“life”所做的测试，电流的折减幅度等于寿命测试测试电流，也等于计算MTTF的工作电流参数。

综上所示，本着折减方面就低不就高的原则计算选型时统一作75%的折减。

二、工作温度的折减

FUSE作为温度敏感的组件，当其周围小环境的温度变化，尤其高于室温25℃时，需要作温度的折减。品牌制造厂家应提供温度折减曲线供设计人员选择对应的温度折减率参数K。不同材料工艺的平台产品对温度折减不同，需要尽可能细致了解。如下AEM温度曲线：

做好上述两大项折减就为FUSE留下足够的余量，我们可以得出选择FUSE的额定值的公式：

Fuse的额定电流In=电路稳态工作电流I/电流折减系数0.75/温度折减率K

举例1：

上述的温度折减率90%是跟据相关产品规格书的SolidMatrix®温度折减曲线查得。而2.96A接近3A，建议选择3A FUSE。

以上只是找出了电路稳态工作电流下的合适额定规格保险丝，而电路中常见的瞬态脉冲电流下的规格选择，这就涉及到了第三部分的折减——脉冲电流折减。

三、脉冲电流的折减

我们知道大部分电路由于线路中有储能组件，如电容和电感的存在，在通电或关闭电源瞬间，都会产生脉冲电流。也包括外界因素，如电磁感应等，也能产生瞬时脉冲。绝大部分情况下我们希望FUSE能能耐受多次脉冲冲击，这就涉及了熔化热熔值Ir²t的计算了，它指的是脉冲电流流过保险丝所释放的能量值，而If²t是fuse熔体熔断需要的能量值。

If²t是指FUSE承受脉冲能力的技术指标，其中I是为脉冲电流峰值，t为熔断时间。下表是几种常见脉冲波形的计算方式。脉冲电流的热熔值是通过对脉冲电流波形的有效作业区域参数的积分计算得到。

表2 几种常见脉冲电流热熔值计算

这里选择FUSE的原则是：If²t＞Ir²t，即FUSE的熔化热熔值必须大于通过FUSE的脉冲电流释放的能量，这样，FUSE才能耐受多次的脉冲冲击。品牌制造商应提供反应fuse在不同熔断时间上的If²t,这就是产品规格书里的If²t-t曲线，因为熔断时间的不同会有不同的If²t，也说明了If²t不是一个常数。If²t-t曲线也是选用FUSE的重要参考工具。

铺垫了这么多，这就要讲到FUSE耐受脉冲的次数问题：通过计算和选择If²t和Ir²t的关系，可以知道FUSE能够承受的脉冲次数，AEM fuse的If²t和Ir²t大致关系如下：

补充举例1条件下瞬态脉冲波形并进行计算来说明：

若希望Fuse承受超过10万次冲击，查询规格书If²t-t曲线得出3A规格的If²t＞0.785A²S,故满足选择要求。需要说明的是规格书If²t-t曲线是在25°C下数值，若工作温度超过25°C，则还须要作温度折减计算。

综合所述，我们通过做好FUSE的稳态电流折减、温度折减以及脉冲的折减，可以为FUSE在长期工作中留好合适余量，才能真正做到精确选型，满足FUSE及时保护的电路要求。

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本文由星晴123转载自AEM科技公众号，原文标题为:浅谈fuse选型的几种折减特性，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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0420 - LITTELFUSE - 选型指南 - v0420 代理服务技术支持批量订货

Littelfuse（力特）正温度系数（PTC）热敏电阻选型指南

目录- 特性和术语应用和电路保护典型设计选择工作表表面贴装型径向引线型轴向引线型

型号- 30R135UU,72R300XF,1210L075/24PR,30R090UU,600R160-R1UR,1206L025YR,1812L,1812L350SL,1812L010/60DR,0603L050SLYR,2016L075/60,600R160-RAF,72R160XMR,0603L010YR,60R185XMR,1210L150TH,0805L110SLYR,16R1100G,1210L450SLWR,0402L050SLKR,0603L150SL,30R160UPR,1812L020PR,1206L110/12SL,2920L300DR,1206L175SLYR,72R090X,16R400GPR,16VT210SU,0805L260SLTH,1210L175WR,1812L200/12,LORHO,250S130¨CRCDR,30R300U,1812L200/16,16R1000GF,0805L100,16R250GU,20LR450,250R145-RA,2016L075/60MR,30R090,250R145-RAU,0402L020SL,2920L500/16,1206L260SLTHYR,1812L110/33MR,250S130¨CRC,250S130¨CRB,250S130¨CRA,16R135B,60R110XU,250S130V,2920L330/24MR,0603L075SL,0805L110,1206L175PR,250R145-RB,0603L,1206L012WR,16R500GU,24LT100,1812L150/12DR,1812L200/16DR,16R185BU,1210L380SL,600R160-RAUR,250S130¨CRBDR,30R800UH,15ST175U,250R145ZR,600R160F,16R1000G,16R110BPR,1206L380SLTHYR,16R250GPR,250R120-R3U,600R150-RA,600R150-RB,60R250,60R010,1812L075/33,250R120-R3,250R120-R2,250R120-R1,1210L200,1812L260/16MR,30R250UPR,72R135XMR,16R600GDR,1210L400SL,1206L300SLTHYR,30R700UMR,1206L450SL,250R120-RF,1206L200SLYR,250R120-RC,250R120-RA,0603L035YR,250R120-R2U,0603L175SL,1210L300SLYR,16R800GMR,60R375XH,16R110B,1812L190SLPR,16R1100GF,250R120TU,0805L075SLYR,16R1200G,250R120-RFZR,0402L,2920L200DR,2920L300,600R150F,2920L700SL,250R120-R1U,30R700UF,1210L075YR,2920L700SLPR,1210L110/16WR,60R110,1210L175SLYR,0805L010/24,16R600GU,2920L075/60MR,30R400U,60R050X,72R,60R,0402L010SLKR,72R090XPR,1206L050/15,1206L150SLYR,72R185XMR,2920L260PR,72R250XMR,1206L450SLWR,60R010XU,16VT210S,30R185,1812L075/24,1206L110SL,16R700GKLMR,1206L110TH,60R075X,LT SERIES,0603L100SLYR,1812L370SLPR,16R160BU,0805L110SL,60R025XPR,60R160X,0805L200SLTHYR,30R090UPR,2920L260/24,15LR380U,2920L,2920L185DR,16R500GPR,250R120T,60R090XPR,250R120U,30R300UU,1812L270SLPR,60R300X,1812L300SLPR,30R600U,72R075XU,0603L075SLYR,15LR260U,2016L,0402L020SLKR,06R075BU,06SL370GM,1206L075/16WR,1812L260SL,60R020XPR,20LR730,250R180MR,2920L330/24,06R155BPR,06SL190G,72R040XU,16R400G,1210L110THYR,2920L030DR,1812L160PR,2920L260/24DR,1812L075/33DR,1812L260TH,1210L035YR,1812L270SL,16R135BPR,1206L020YR,1206L075/13.2,30R250,0805L200SLTH,1812L050PR,600R150-RBF,0402L035SLKR,30R600UF,1210L350SL,16R300G,1206L075/13.6,72R075XPR,15LR260,15LR380,16R300GPR,30R185UPR,16R700GF,1812L014DR,60R160XMR,250R145U,0805L,1206L075SL,30R090U,2920L150DR,0805L050WR,1206L150TH,1812L200/12DR,0402L035SL,600R150-RAF,250R145T,1206L150SL,72R300XMR,1206L400SLWR,72R160XF,1812L150/24MR,30R500U,72R030XPR,2920L075DR,1206L075TH,1210L010WR,1812L350SLPR,LR,LT,1812L160/12DR,1812L150/24,60R025XU,2920L400/15MR,16R700GMR,0805L150SLYR,72R050XU,30R,16R1100GMR,60R010XPR,60R090,2920L200/24,1206L035YR,250R145-RBU,1206L050/15YR,16R800GF,1812L150/12,2920L400/15,VT SERIES,30R700U,1210L175SL,250R145TZR,0603L020YR,250S130¨CRADR,30R400UF,0805L300SL,1812L020/60,2016L050,1210L260SL,2016L050MR,16R250BU,1210L110/12WR,1812L010/60,06R120BPR,1812L075PR,30R400UMR,72R065XPR,60R135XF,SL SERIES,0805L010/24YR,16R250BPR,1812L370SL,30R160UU,20LR450U,0603L050SL,60R090X,1206L035/16,1210L020WR,1210L110/16,600R160-R1F,0402L010SL,250S130DR,60R185,24LT100U,72R020XPR,1206L150THWR,1210L380SLYR,1206L175SL,16R700GKL,72R300X,2920L050DR,2016L030,60R090XU,1210L110/12,2016L150,250R120ZR,16R185BPR,60R017XPR,1812L75/33,60R110XMR,1206L035/16YR,60R075XPR,60R025X,15ST175,250R180TMR,1812L150ZR,2920L050,1210L005WR,72R375X,1812L260THDR,1812L200THPR,72R050XPR,1812L125/16,12VL175XLU,0805L010YR,30R500UF,1812L75/24,16R700G,16R700GKLF,60R135X,2920L185,60R110X,1210L075,1812L160/12,16R900GF,1812L110,600R150-RBZR,600R,1812L125/6,60R040XPR,250R120-R1ZR,250R120-RFU,16R600G,2920L030,2920L150,30R800U,2016L100,1812L035/30DR,1812L075/24DR,16R135BU,250R120,30R185UU,SL,1812L010DR,2920L125PR,1206L200,1206L050YR,30R185U,ST,0603L150SLYR,1206L380SLTH,60R160XF,72R020X,30R600UMR,1812L300SL,60R050XU,0805L075SL,0805L260SLTHYR,72R250X,06SL370G,30R300,2016L075/060,1210L175,72R020XU,1812L260SLPR,250R180TF,16R1400GH,16R090BU,250R120-RAZR,0805L150SL,1812L050/30PR,30R160U,1210L260SLYR,60R065XPR,0805L020YR,1210L,1206L350SLTHYR,60R017X,1206L075SLYR,1206L110THYR,72R040XPR,2920L250DR,30R500,1210L110TH,1812L110/24DR,250R120-RCU,2016L200,0603L050YR,0805L300SLWR,1812L200,06R155BU,72R250XF,250R145,60R017XU,1812L020/60DR,1812L035/30,0603L050,1812L125/6PR,30R400,1206L400SL,60R030XPR,1210L350SLWR,60R300XF,VL,1206L260SLTH,06R120BU,72R065XU,1812L300MR,1210L400SLWR,VT,1210L450SL,16R,2920L500/16MR,1206L300SLTH,2920L075,250R120-RAU,72R030XU,250S130-RC,250S130-RB,16R110BU,250S130-RA,1812L300,2920L100PR,250S130,30R110UPR,30R250U,1206L110/12SLYR,0805L175SLYR,72R135X,0805L075WR,1206L016,16R500G,1206L150/12SL,0603L175SLYR,30R250UU,30R900U,16R900GMR,72R185XF,16R090B,1206L012,1206L075/13.2WR,600R150-RAZR,72R110X,1210L075/24,72R025X,0805L050,60R065XU,72R075X,1210L300SL,72R160X,0603L020,250R080ZR,72R090XU,1210L200SLYR,250R120TZR,60R185X,0603L025,0805L100WR,06R120B,2920L200/24DR,250R180,30R135U,60R040X,1206L025,06SL190GM,600R160-RA,72R135XF,06R075BPR,1206L020,1210L005,600R160UR,250R145-RBZR,12VL175XL,6

LITTELFUSE - 选型指南代理服务技术支持批量订货

AEM科技携一系列电子电路保护产品亮相AUTO TECH 2024华南展

AEM SolidMatrix® 熔断器、AirMatrix® 熔断器、TF-FUSE® 薄膜熔断器、CMF大功率熔断器、可恢复式熔断器、TVS瞬态抑制二极管、MLCC、压敏电阻、磁珠、电感器等系列产品，性能卓越，可靠性强，是电子电路保护最理想的选择。

2024-05-30 - 原厂动态代理服务技术支持批量订货

厦门赛尔特电子有限公司（以下简称“赛尔特SETsafe丨SETfuse”）的使命 “制造电路控制及安全保护元器件、提供电路安全解决方案”。2000年成立于中国厦门。产品销往40多个国家和地区，与世界500强的部分企业有深远的合作。产品广泛应用于：通信、防雷器、电源、新能源、照明、家电、移动设备、医疗等用电设备市场。

合金型温度保险丝有机物型的温度保险丝合金型直流型温度保险丝热保护器压敏电阻热保护型压敏电阻电涌保护器电涌保护模组瞬态电压抑制二极管气体放电管小型熔断器线绕熔断电阻器热保护型熔断电阻器热保护型水泥电阻器抑制浪涌电流热敏电阻器低压熔断器受控熔断器

代理服务线上商城技术资料

Vicfuse（威可特）过电流/电压保护产品选型指南

目录- Company Profile Product Cross Reference Chart UL Standard Semiconductor Protection Fuses IEC Standard VSP/TPS Fuses Solar PV Series Fuses British & IEC Standard Semiconductor Protection Fuses VD Series DC Fuses/EV Fuses Telecom Fuses Battery Protection Fuses Surge Suppression Fuses General Purpose Fuses DIN Type Fuses High-voltage Fuses Fuses Accessories Electronic & Automotive Fuses and Accessories Overvoltage Suppression Products

型号- VF392,VBS1051,VRA,VFRVL,VGC SERIES,2XVBS1749,VF391,AHN,VSS SERIES,BS883C,BS883B,VRH,BS88,VRK,VFSMD1206,VF218-P,VRJ,VFLT,VRL,VJF,BS884B,06LH,VRP,BS884A,VFSMD1210,06LF,VRX,VR10F/T,VFLR,VJT,VFSL,12SF,BS88EB,LO RHO VFSMD1206,VFSR,2XVBS3655,TPS SERIES,VBS3627,VRK5,VKF,VSP-LLXXXAXXVXX-X,VSP,VBS1727,VT1,VT3,VT2,VT5,VF318,VT4,SMP,VSS,VCF,VF312,VF313,VF314,VF315,VF275,VKT,VF370,04SF,LO RHO VFSMD1812,VF372,LO RHO VFSMD0603,VCT,VFVT,BS881C,VTF,BS881B,VF217-P,BS881A,12LH,VBS3655,12LF,BS881F,08SF,VFVL,VF881F,VFSMD2920,VF804,2D,2E,VFRX 60,TPS,VF400,VF242,VF881,VSP-LXXXAXXVXX-X,VDXXXAXXVXX-X,VLT,VF216SP,BS882C,VFUSB,PV160,BS882A,VFSMD0603,VFSMD1812,BS882F,VF229-P,VBS1749,BS883A,VA SERIES,PV10,VDC27,4SF-H,TPS 2A-1600A,VC20,VF235-P,VC22,4SF,VDC20,VGC14,VF239-P,VF171-P,VGC10,PV14,VDC22,VFHT,VF229,VF504,VF505,VF224,VF463,VF464,VF215SP,VDC36,VC10,VF224-P,BS88 SERIES,BS880B,VA,VD,VGC22,VD SERIES,VGC,VF877,VF239,VC14,VF477,VF235,VF874,NH,VF875,VF876,PV355,PV630,VGT,2XVBS3627,NT,LO RHO VFSMD0402,VF171,AFN,AXT-A,VFRG,LO RHO VFSMD1210,VFRH,06SF,VF606,VD SENES,VF448,VF449,VF324,VFRT,VF325,NT SERIES,VFRU,VF326,VFRV,VF443,NH SERIES,VDC14,VF242-P,VFSMD0805,VBS1028,VGC8,VF217,VF218,VFRX 90,LO RHO VFSMD0805,VF215,VF216,VF451,VF452,AXT,VF453,VF454

2023/10/7 - VICFUSE - 选型指南 - 2023年第1版代理服务技术支持批量订货

Littelfuse（力特）工业电路保护产品选型指南

描述- Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 17,000 global associates, Littelfuse partners with customers to design and deliver innovative, reliable solutions.

型号- LPSC0003Z,1PH15P25MM,KLC150,L50QS225,FLNR060.TXID,L25S300.V,PSR031FL0450,PSR031DL0400Z,KLNR090.V,450E2CL5.5,PSR073FL0350Z,PSR072DL0315X,FLSR150.X,PSR030DL0100,KXT2CUAL1,BLS SERIES,L15S003.T,LFR600601CID,CCMR020.TXP,LPSC0002Z,PSR033DL2250,PSR072DL,400E3C8.25,PSR031FS0450Z,03420028X,FLNR030.T,LFH600302PID,0LS31243Z,JTD,5E4PT.6,10E1CL15.5,LPSC0001Z,PSR032DS1100X,LDM3TLU01,354 002GY,342058A,LM3200 SERIES,LDM3TLU11,L50S150,CCMR02.5TXP,LCC SERIES,125E2CL15.5,LVSP10-R,PSX3XLFL0900X,0LS33203Z,FLSR125.XXID,8NLE50E,LFXV150601C,PSR032DS0550,LRU 663,PSR031FS0350,3PH9P18MM,L50QS250,KLSR SERIES,FLNR_ID SERIES,PSR031UL0630Z,0LS51291Z,FLSR030.T,LFCL0010ZC3,FLSR150.XXID,XPS2T20R1KGN2F3-AZ,FLNR035.TXID,PSX3XLDB1400X,0KLC005.T,PSR073FS0350Z,LRU 226 R,PSR030UL0160Z,FLSR01.4,0FHM0001_,PSR031US0630Z,FLSR01.5,0NLN015.T,FLSR01.6,FLSR400.X,SPFJ200.XXL,PSR031DL0800,PSR030FS0200Z,LET-AB,LET-AA,LFR600302PID,IDSR.400,FLSR01.8,PSR031FL0450Z,FLSR175.XXID,PSR073UL0350X,PSR031US0550,PSR033FL1400,LVSP0015TXR,FLSR01.6ID,TOO SERIES,L60030M3C,CCMR04.5HXP,PSX1XLFL0125,PSR071DL0500Z,LTFD 101 SERIES,MSSPNH1500X,PSR031FL0400,PSR073UL0630,0FHM0002_,354 910GY,PSR033FL1800Z,SPFJ070,PSR073FS0315,L50S100,PSR031UL0500Z,FLSR03.2ID,PSR070FS0080Z,L60S005.T,L15S300,PSR033US1800X,LVSP0015TX2,354 821BL,IDSR250.X,FLNR150.X,LFCL02/0ZC3,LPXV SERIES,L70QS700,KLC175,LFCL02/0ZC1,0KLC125.X,FLNR.800,LFPSJ601.Z,FLSR17.5ID,LFH600601CID,PSR033FS0800,PSR030DL0125,L60030M1C,PSX1XLFL0350X,PSR073DL1250,40E1C5.5,PSR070DL0400,FLNR060ID,5NLE125E,PSR032DS0500,WPB1,CCMR.800,LPSC0004Z,WPB3,LFH600303SID,PSR031US0500Z,PSX1XLFL0100,L70S,CCMR008.HXP,LET-AB-S,PSR033US1500,LET-BB,0LD35552Z,LET-BA,LFR600303SID,PSR033FS1800Z,PSX3XLUB0900,L50S125,PSR070FL0080Z,L60030M2C,PSR032DL1100X,FRCK-LG,342848A,CCMR006.TXP,PSR031US0500,FLNR008.T,SLC,0LD29701ZXDIN,IDSR03.2T,IDSR025,LS7R04002PS00L,CCMR.500TXP,354 803GY,PSR030FL0200Z,PSX1XLDB0315X,CY14X51M16,30KPA,IDSR020,CY14X51M10,CY14X51M12,39018R2C2.75,0CNN125.V,LFH256003C,PSR033FL0900,L25S002.T,CNN200E,PSR031UL0450Z,IDSR015,JTD60ID,PSR031DS0700,CY14X51M25,0KLC040.T,BLF,IDSR010,CY14X51M20,IDSR012,PSR031US0450Z,FLSR008.T,BLN,L25S015.T,097023,BLS,0MEG175.X,354 607GY,5720CC,IDSR002,IDSR003,IDSR004,IDSR005,702R1C5.5,IDSR006,IDSR007,IDSR008,LMIN010.V,IDSR009,FLSR_ID SERIES,23012R1C5.5,PSR073FL0450,L50QS500.X,CY14X51M32,IDSR001,LRU 213 R,CY10X38,80E1CL8.25,CY14X51M40,PSR030FL0630,FRCK-MD,0218005.VXP,LFH256001C,MEG250,PSR070DL0160Z,LPFP,125E2C8.25,PSX3XLFL0450,PSR032UL0500,03420022X,PSR071DL0280,PSR071FS0630,PSR031UL0630,LFJ601001,PSR031DS0350Z,LFJ601003,CY14X51M50,LVSP0100VXL,PSR071UL0160,PSX1XLUB0630,SPF,LFR250602C,LVSP100-L,FLNR450,PSR033DS0630X,LFR250603C,PSX3XLFL1000X,IDSR060,IDSR02.5,48026R2C5.5,IDSR02.8,CCMR015.TXP,0FHA0001,0LD55521Z,CCMR2.25HXP,0FHA0002,PSR071DL0250,LFPSJ303.Z,PSR033UL1600,PSR033DL0500X,PSR072FL0630,LPHV,PSR031DL0350Z,IDSR050,057200CCL,JLLN035L,PSR030DS0100Z,PSR033DL1800,0TLS006.T,L50QS200,IDSR500.X,FLNR400.X,PSR032DL0630,LVSP0040TX2,LRU 616,PSR071DL0280Z,FLSR007ID,LPSM0004ZQCID,215,216,L70S600,217,218,IDSR040,PSR072UL0900X,PSR032UL0550,IDSR045,FLSR060ID,02291.25VXP,PSR073UL1100,LFT30100FBC,PSR031FS0800Z,1LFS SERIES,PSR070UL0280,LFR250601C,TLS100MB,572RCC,LRU 626,L15S350.T,IDSR035,224,225,PSR033DS0500X,60032R2C5.5,L60030MPCB,229,IDSR030,PSR073FL0400,150E2C2.75,L60S040.T,80E1CL5.5,PSR071DL0200,PSR032FS1500,PSR033DL0630X,FLSR04.5ID,PSR031US0800Z,LVSP0060T,LFR25,LFPSJ302.ZXID,PSR072UL1000X,PSR030DL0100Z,L60S300,230,IDSR1.25T,235,CYHP0001Z-KIT,239,L70QS SERIES,LS6R0400,FLSR1.12ID,PSR032UL0450,65036R3C5.5,PSR070FS0125Z,ESR1XLDB,LS602501VS00L,55030R3C5.5,5NLE25E,39018R2C5.5X,CLASS R,LS6R0250CBS00L,0KLC250.X,IDSR.500T,PSR030DL0550Z,FLSR.800TXID,PSR070UL0315Z,354 905GY,FLSR1.25ID,116895E,TLS030LSA,PSR070FL0125Z,LDSCA11,251,PSR070UL0250,IDSR090.V,0LS21213Z,LFJ60400-3,PSX1XLUB0100X,LLSRK060,L25S045.T,M5-BROWN,FLNR100ID,25S,FLSR.300TXID,0LS21212Z,PSR072FS0500,LT60400FBC,FDR001PG,KLDR.250,PSR071UL,0LD57073Z,LFR60,IDSR006.T,65E1CL5.5,PSR073UL1250X,LEX-DYC,PSR031FS0500Z,FLSR2.25,273,PSR030UL0063,FLNR025.T,PSR070FL0050,L60030M1SQDINR,PSR033US0550X,40E1C25.8,PSR072DL0800X,345 SERIES,05710007L,0TLS125.TXLR,L60S350,FLSR100ID,LS604002ES00L,PSR031DS0700Z,IDSR03.5T,MEG225,PSR070FL0063,LFJ60030-3,FLNR500,FLSR012.TXID,PSR033DS1600,PSR030US0200Z,LEB-AYC-S,PSR030UL0040,PSR033UL0550X,L25S700.V,PSR072FS0550,L60S010.T,05720028L,PSR031UL0700,40E1C8.25,PSR030FL0550,LPS2,FLSR.500ID,LPS1,LPS6,PSR033DL0450,LPSM0003ZXID,LPS4,LPS3,PSR030FS0160Z,PSR030UL0200Z,LFT60200,PSR030UL0050,ESR1XLDB0125X,PSR031DL0700Z,05720027L,MEG200,PSR070UL0200,LPSC,BLF SERIES,FLSR090ID,LPSM,LFJ600601,LPSM001,LFJ600603,KLC,LFJ600602,PSR033UL1800X,LPSM004,300E3CL15.5,LPSM002,200E1C2.75,298900,LPSM003,KLK,PSX3XLDB0500X,FLNR175ID,PSR032DL1100,0LD39552Z,KLQ,LFG600203,0LD35551Z,LFG600201,LEB-AB-S,LFG600202,354 611GY,550E3C5.5,PSR030DL0063,3PH57P25MM,80E2C38.0,LEB-AB-K,0313005.VXP,LFJ104001C,LFT60060FBC,PSR030DL0080,LSCR1XX,PSX1XLFL0160,0LD39553Z,LFCL0006ZC3,L25S600,40E1C38.0,PSR030FL0160Z,LFPXV

122023 - LITTELFUSE - 选型指南 - Rev: 5-D-122023 代理服务技术支持批量订货

Littelfuse（力特）应用于乘用车的保险丝选型指南

目录- AUTOMOTIVE FUSES Product introduction BLADE FUSES CARTRIDGE FUSES HIGH CURRENT FUSES SMD FUSES CABLE/PAL FUSES HIGH VOLTAGE FUSES Shunts/Diodes/Resistors Fuse General knowledge

型号- 0998150._,142.5631.6202,0695040.PXPS,0297015._,0895020_,0HEV040.XXX,0898300._,0HEVXXX.ZXPCB,157.5701.5401,10EVXXX.ZXPY,142.7010.XXXX,0337010._,0298150.ZXEH-LT,0898225._,0299040._,142.5395.6172,SHEV080.ZXBD,0888250._,157.5701.5631,0297004._,0297900._,0899025.Z,0999060._,157.5916.6101,283 SERIES,153.XXXX.580_,0898060._,156.5610.570_,10EV020.XXX,4998100.M_,0498060._,142.7010.6102,0317030.M,3298350.H,3998425._,0999070._,0895030_,0498XXX.MXM6,0888XXX.U-1M6,0888XXX.U-1M8,0498070._,156.5611.5301,157.5916.XXX1,3998500._,099707.5_,05980016Z-CN,0317020.M,0299XXX.ZXNV,4998030.M_,0327005._,3998250._,0997XXX.WXN,0297003._,3298XXX.ZXM10,142.5395.6152,153.1612,153.XXXX.570_,157.5916.6201,157.5916.5351,156.5610.560_,0891005._,0998500._,157.5701.6501,10EVXXX.ZXPCB,3998175._,142.7010.6122,0695015.PXPS,0287040._,0898400._,0327015._,0299XXX.ZXT,0298XXX.ZXEH,155.0892.5501,0298250._,153.3502,0899035.Z,0895040_,0299050._,0998175._,0298175._,3998160._,157.5916.6251,157.5916.6131,156.5677.530_,153.0000,10EVXXX.ZXBDP,0891XXX.NXS,0287030._,0HEV015.XXX,3298250.H,0298175.ZXEH-LT,0287XXX.U,4998XXX.M-1M6,157.5701.6401,20EV070.ZXBDM,0287XXX.H,156.5611.6101,0287XXX.L,3298250.Z,0998250._,0HEVXXX.ZXPCBL2,153.XXXX.620__,0888XXX.U-NH,0498XXX.MXT,10EVXXX.ZXISO,02400094,0895050_,02400120P,3298175.Z,05980015Z-CN,153.2512,294 SERIES,0498125._,0298125.ZXEH-UL,20EV100.ZXBDM,156.5611.XXX1,3298175.H,0498XXX.MXT-CN,3298350._,156.5677.540_,SHEVXXX.ZXBD,0498200._,0327003._,0317XXX.M,3998600._,157.5700.5801,0337XXX.PX2S,157.5917.5801,157.5701.6421,156.5677.550_,0297XXX.WXNV-CN,157.5701.6301,0299060._,0999080._,0297005._,153.2502,153.0010.XXX2,157.5916.6121,0695020.PXPS,0498080._,156.5610.580_,0298350._,0495900.Z,155.0892.5751,3998150._,142.7010.6202,0495900.X,142.5631.5302,157.5700.5631,153.XXXX.6502,0898150._,3298900._,0298500._,0299XXX.TXN,153.7000.XXX2,153.XXXX.540_,3298900.Z,4998125.M_,157.5701.6331,157.5917.6101,156.5610.530_,0298150._,142.5395.6102,142.5395.6222,0298100.ZXEH-UL,3298125.Z,0HEVXXX.ZXPY,0695060.PXPS-HT,4998XXX.M-M6,3298125._,0327025._,157.5700.5501,0HEV030.XXX,0998350._,0495XXX.ZXA,4998080.M_,157.5701.6201,157.5917.6231,3298125.H,157.5917.6351,156.5677.560_,3298080.H,0495025_,157.5701.5351,3298080._,0898500._,3298XXX.Z,3298080.Z,155.0892.6101,0337003._,0HEV050.XXX,0287020._,3298500.ZXSTA,3298XXX.H,142.0020.XXXX,02400112P,0297010._,0695040.PXPS-HT,3298200.H,157.5917.6121,156.5611.6111,0HEVXXX.ZXISO2,153.XXXX.530_,157.5701.6351,0299070._,157.5701.XXX1,0298275.ZXEH-LT,157.5701.6231,142.5395.6202,0HEV010.XXX,155.0892.6251,0287010._,157.5916.5501,SHEV060.ZXBD,153.XXXX.6402,3298200._,0HEVXXX.ZXC,3298200.Z,4998200.M_,142.5631.6152,02400111P,0999040._,153.5631.XXX2,157.5701.6101,4998XXX.M-NH,153.5631.XXX1,157.5917.6251,0695XXX.PXP,031707.5M,20EV080.ZXBDM,156.5611.6121,0498100._,0899060.Z,882-853,882-854,155.0892.6121,157.5916.5631,3998070._,157.5700.6401,142.5631.6122,0998XXX.UX-2M8,0898175._,157.5701.6131,153.1602,157.5701.6251,0999050._,153.XXXX.560_,0998XXX.UX-2M6,155.0892.XXX1,3298100._,0327900._,0298XXX.UX1M8,0299080._,3298100.Z,0998450._,0498XXX.MXTM6-CN,0297002._,0895025_,157.5917.6151,156.5677.580_,0297025._,0891030._,142.5395.6252,3998225._,157.5701.6121,156.5610.550_,157.5917.6161,3298100.H,157.5917.6281,02400113P,10EVXXX.ZXPCBL,155.0892.6301,0998XXX.UX-NH,0298XXX.UXT,157.5700.6501,0337900._,142.7010.6152,0298040._,157.5701.6151,0287001._,3998300._,142.5631.6102,157.5701.6271,0498XXX.M-CN,0327010._,032707.5_,3998400._,0998XXX.UX-1M8,0498XXX.MXM6-CN,153.XXXX.550_,156.5611.6151,0997004_,0695025.PXP,0998XXX.UX-1M6,142.5395.6122,153.7010.XXX2,157.5917.6171,029707.5_,0287035._,3998XXX.ZXM10,157.5700.5401,294C SERIES,0327XXX.LXS,02400103_,0997005_,033707.5_,157.5701.6141,156.5610.540_,3298600.ZXSTA,293 SERIES,028707.5_,0891XXX.U,0898250._,142.5395.XXXX,0891XXX.H,155.0892.6201,SHEV150.ZXBD,02400115P,142.5631.XXXX,0317010.M,4998150.M_,0287002._,0287025._,157.5701.6171,32980001ZXM8,157.5917.6501,0695XXX.PXP-HT,0298060._,4998060.M_,0997002_,156.5610.611_,0891020._,0495040_,142.7010.5802,3998900._,20EV125.ZXBDM,157.5916.5801,0317900.M,153.XXXX.6222,157.5700.5351,0HEVXXX.ZXP2Y,02400106P,153.XXXX.6102,02400118P,876-199,157.5700.6201,3998125._,02400105Z,0298250.ZXEH-LT,157.5701.6161,0895XXX.T,0298300._,0895XXX.U,0695025.PXPS,153.XXXX.610_,0998100._,0899040.Z,156.5610.612_,0997003_,0997015_,SHEV100.ZXBD,0317015.M,0297030._,142.5631.5802,902-192,0287003._,0HEVXXX.ZXPCB2,0297XXX.WXT,3298400._,0297XXX.WXNV,0891XXX.NXWS,156.5610.625_,0899030.Z,0899XXX.Z,0299025._,3998200._,142.7010.5702,0495050_,0HEVXXX.ZXPCBL,153.XXXX.6122,0317005.M,2938 SERIES,0895XXX.Z,157.5700.6301,02400108P,157.5700.6421,0495XXX.UXA,3998080._,10EV040.XXX,3298400.ZXSTA,153.XXXX.612_,0898350._,0327020._,3298060.H,0997025_,0297XXX.H,3298400.H,0888300._,3298060.Z,0297XXX.L,SHEV070.ZXBD,05980020Z,153.XXXX.6252,0695050.PXPS,0298XXX.ZXEH-UL,02400107P,0297XXX.U,153.0020.XXX2,0287004._,0327030._,0298XXX.ZXH,0997010_,0298XXX.UXP-1M8,0298XXX.UXP-1M6,0498XXX.MXTM6,0498175._,153.5395.XXXX,157.

2022/9/9 - LITTELFUSE - 选型指南代理服务技术支持批量订货

【选型】Littelfuse（力特）保险丝座选型指南

目录- Fuse Characteristics, Terms and Consideration Factors Fuse Selection Checklist PTC Characteristics and Terms PTC Product Applications Typical PTC Circuit Protection Designs Fuse Standards Fuse and PTC Products Selection Guide Fuse Packaging and Part Numbering

型号- 1812L,471,230,472,473,232,233,234,235,477,874,875,876,239,877,2016L,461E,485,LORHO,400,157T,369,804,807,808,600R,437 SERIES,USBR,370,251,372,373,494,253,374,2205,SL,0603L,0805L,ST,382,262,383,263,385,265,266,267,268,269,303,429,1210L,LR,LT,391,1206L,392,272,273,274,395,154,275,396,397,398,157,278,399,219XA,279,312,950,313,30R,159,314,435,315,437,438,318,LORHO PTC,160,285,440,250S,441,250R,322,443,202,203,324,VL,325,446,326,447,448,449,208,209,VT,16R,451,452,332,453,154T,454,213,456,215,72R,216,458,60R,217,459,218,977,460,461,220,462,464,465,224,466,225,467,468,501,469,229,505,506,2920L,508

LITTELFUSE - 选型指南代理服务技术支持批量订货

【IC】Littelfuse推出单芯超级电容器保护集成电路LS0502SCD33S，用于增强型备用电源解决方案

Littelfuse宣布推出电子保险丝保护集成电路系列的最新成员——LS0502SCD33S。这款新开发的产品引入了单电池超级电容器保护集成电路，专为极端条件下的备用电源充电而定制，在该领域树立了新的基准。

2024-05-16 - 产品代理服务技术支持批量订货

【选型】Eaton Bussmann(伊顿巴斯曼) 电路保护产品选型指南

目录- Circuit Protection Devices & Applications Cartridge and Axial Leaded Fuses Fuseholders Radial Leaded Fuses Surface Mount Fuses PTC Resettable Fuses

型号- S505SCH,TDC180,HFA,HK,HVP,S-8000,HFB,C520,PTSLR0805,GMA,HVI,GMC,GMD,PTSLR1210,HGA,PTS1812,C308F,CC12H,SS-5,GMW,TDC600,PC TRON,HTC-2XX,ABC,HHB,1025HC,3828-X,HHI,HHK,PTRQ6QV,C310FH,HHJ,HTC-15M,HHN,SFE,HHT,SR-5H,1AXXXX,3216FF,PTRQ16V,HTC-60M,SR-5,HTB-XXI,HTB-XXM,SR-5F,H15,CC06H,C310-SC,HRK,SS-5FH,1025FA,SS-5F,PTRQ3QV,HJM,MDA,HJL,TDC11,TDC10,MDH,3216LV,6125FF,MDL,MDQ,PTSLR1812,HTC-78M,HKP,PTS0805,0603HV,CC06FA,TCP,HLD,6125TD,PTS1206,GBB,GBA,PTSLR1206,S505H,1025TD,AGA,AGC,S505,CB61F,S500,C519,S501,TCP70,C518,C517,HBX-M,C515,BK-PCS,3216TD,HBX-I,HMR,S506,HHF-JFCU,AGW,AGX,S505SC,SS-5H,0603FA,GLD

June 2020 - EATON BUSSMANN - 选型指南代理服务技术支持批量订货

Eaton Bussmann(伊顿巴斯曼) 低压、分支电路额定熔断器(保险丝)选型指南

目录- Holders & Blocks Branch Circuit Rated Fuse Dimensions Fuses

型号- LPN-RK-225SP**,S-2-1⁄2,LPN-RK-500SP**,FQN-R-3,S-2-1⁄4,KTN-R-400,JKS-12,JKS-15,KRP-C-2001SP,LPS-RK-4-1/2SP,JKS-10,KLU-800,KTU-3001,KTU-3000,S-1-8⁄10,KWS-R,LPS-RK-1-8/10SP,FNQ-R-3-1/2,FRS-R-400,JKS-25,FRS-R-40*,JKS-20,PVS-R-225,TCF40RN,BC,FRS-R-6/10,LPN-RK-6-1/4SP,DLS-R-3-1/2,JJN-600,BG,BH,G,T-3⁄10,LPJ-45SP**,KRP-C-750SP,KRP-CL,T-5-6⁄10,KRP-CL-300,213-R,P,JKS-35,S,T,LPN-RK-1-8/10SP,JKS-30,KRP-C-1900SP,W,LPS-RK-8/10SP,SA-30**,KTK-R-1/10,LPJ-1-6/10SP,CH,OPM-NG-SC3,LPJ-2-1/4SP,FRN-R-600,JKS-45,FRN-R-60*,DLS-R-500,FNQ-R-1-3/10,LPJ-70SP**,LPN-RK-3/10SP,JKS-40,LPJ-SP,T-3-2⁄10,FRN-R-8/10,KWS-R-225,FNQ-R-17-1/2,KTN-R-200,FNQ-R-4-1/2,R250,PVS-R-250,LPS-RK-3-2/10SP,FRS-R-600,NOS-175,FRS-R-60*,LPS-RK-70SP**,JJN-400,KTN-R,LPN-RK-9SP,DLN-R-2,DLN-R-3,KRP-CL-500,DLN-R-4,DLN-R-5,DLN-R-6,LPN-RK-4/10SP,DLN-R-8,LP-CC-6-1/4,KLU-1500,DLN-R-1,KTU-5000,LPS-RK_SP,226-R,TCF20RN,DLS-R-1-6/10,KRP-C-6000SP,FNQ-R-5-6/10,616-R,S-1-1⁄4,FRN-R-400,S-1-1⁄8,LPJ-600SP**,JKS-500,FRS-R-4-1/2,KWS-R-250,FRN-R-40*,T-2,DLS-R-300,T-1,T-4,DLN-R-90,T-3,KTU-601,T-6,T-5,T-8,T-7,T-9,NOS-125,JJS-45,HP,LP-CC-3-1/2,JJS-40,DLS-R-25,DLS-R-30,DLS-R-35,FRN-R-70,KTS_R,FRN-R-450,KTK-R-3/4,NON-1-6/10,DLN-R-80,LPS-RKSP,KRP-C-5000SP,FRN-R-45*,PVS-R,JKS-90,JJS-35,OPM-1038RSW,KRP-C-1800SP,S-3⁄10,JJS-30,LPN-RK-90SP**,LPN-RK-150SP**,DLS-R-15,T-1-1⁄4,242-R,LPS-RK-10SP**,FRN-R-75,DLS-R-20,FRN-R-225,T-1-1⁄8,FRN-R-8*,FRN-R-80,KLU-2000,DLN-R-70,DLN-R-300,JJS-225,JJS-25,LPS-RK-80SP**,JP,JJS-20,FRN-R-85,LPJ-110SP**,KWS-R-200,FRS-R-450,LPN-RK-17-1/2SP,DLS-R-12,FRN-R-90,FRS-R-45*,DLS-R-10,TCFH30N,FRN-R-9*,LPN-RK-12SP,DLN-R-60,S-1-6⁄10,DLN-R-45,NON-1,JJS-15,NON-2,NON-3,NON-4,JJS-10,FRN-R-1,NOS-150,LPN-RK-2-1/2SP,FRS-R-225,KRP-C-2500SP,FRN-R-4,FRN-R-5,FRN-R-2,FRN-R-3,JJS-450,KRP-C-3800SP,FRN-R-6,KRP-CL-150,FRN-R-7,FRN-R-200,KTK-R-15,KTU-801,FRN-R-20*,FRS-R-3-1/2,KTK-R-10,KTU-800,KTK-R-1/,DLN-R-50,LPN-RK-250SP**,TCF35RN,DLN-R-35,FRS-R-2-1/4,KTN-R-600,FRS-R-8/10,JJS-80,KTK-R-25,LPN-RK-2/10SP,FRN-R-250,KTK-R-20,JKS-50,KRP-C-1350SP,DLN-R-40,DLS-R-70,FRN-R-25*,2662-R,DLN-R-20,DLN-R-25,JJS-70,SC-1-1/2,FRS-R-200,LPS-RK-1-/2SP,EDA***,FRS-R-20*,FNQ-R-2-1/4,JKS-60,KTK-R-30,DLN-R-30,DLS-R-60,FNQ-R-2-1/2,KRP-C-4500SP,DLN-R-12,DLN-R-10,DLN-R-15,LPN-RK-5SP,FNQ-R-1-1/8,KWS-R-400,FRN-R-6/10,JJS-60,DLS-R-2-1/2,NOS-100,JJN-800,LPN-RK-40SP**,FNQ-R-1-1/2,DLS-R-50,LPS-RK-45SP**,JKS-70,S-25,TCF17-12RN,S-20,LPN-RK-25SP,NOS-350,LPN-RK-2-1/4SP,LP-CC-1-8/10,JJS-250,JJS-50,LPS-RK-175SP**,NOS-110,LPS-RK-1/10SP,KRP-CL-350,DLS-R-40,DLS-R-45,LPS-RK-4SP,PVS-R-200,S-15,LP-CC-4-1/2,KRP-C-650SP,S-14,TCF100,S-12,JKS-80,S-10,DLS-R-150,NOS-400,KRP-C-4000SP,LPN-RK-1/2SP,DLS-R-9,LP-CC-30,DLS-R-8,KWS-R-40,DLS-R-7,DLS-R-6,DLS-R-5,DLS-R-4,DLS-R-3,DLS-R-2,KRP-C-1600SP,DLS-R-1,LPJ-8SP**,LPS-RK-400SP**,NOS-50,JJN-1200,LP-CC-1/2,LPN-RK-80SP**,FRS-R-1-1/2,LPJ-175SP**,LP-CC-7 1/2,KRP-C-2400SP,KWS-R-35,JKS-250,FRS-R-1-1/4,TCFH60N,LP-CC-25,TCF25RN,KTU-1600,KWS-R-30,LP-CC-20,KTK-R-1,KTK-R-3,NOS-60,KTK-R-2,KTK-R-5,KTK-R-4,T-3-1⁄2,KTK-R-6,LPJ-3-2/10SP,LPS-RK-5SP,S-30,KTK-R-9,FRN-R-4/10,LPS-RK-35SP**,LPN-RK-2SP,JJN-250,KWS-R-25,LPN-RK-20SP,LP-CC-12,NOS-75,LP-CC-2-8/10,JJS-500,LPJ-1SP,LPS-RK-20SP**,DLN-R-150,LP-CC-5-6/10,LP-CC-10,FRN-R,KWS-R-20,LPJ-1-1/4SP,LP-CC-15,NOS-70,SC,KWS-R-10,SL,KWS-R-12,DLS-R-175,KWS-R-15,DLS-R-90,T-8⁄10,NOS-80,LPN-RK-600SP**,TC,LP-CC-6/10,DLS-R-17-1/2,FNQ-R-7-1/2,LP-CC-1-W,TL,FRS-R-1 8/10,LPS-RK-17-1/2SP**,DLS-R-80,NOS-600,LPN-RK-1/4SP,KWS-R-80,KRP-C-1500SP,NOS-10,LPN-RK-110SP**,NOS-12,KTU-2500,NOS-15,FRS-R-6*,LPJ-90SP**,LPN-RK-100SP**,DLN-R-3-210,LPS-RK-50SP**,FNQ-R-8,NOS-20,DLN-R-100,FNQ-R-7,T-2-1⁄4,SA-15**,KWS-R-70,FNQ-R-9,T-2-1⁄2,KTU-1400,NOS-25,FRS-R-7*,FRS-R-70,FNQ-R-2,FNQ-R-1,FNQ-R-4,FRS-R-75,263-R,FNQ-R-6,FNQ-R-5,FRN-R-5-6/10,FRS-R-65,TCF80RN,LPS-RK-600SP**,FRN-R-1-8/10,FRS-R-8*,NOS-30,KWS-R-60,JJS-300,NOS-35,FRS-R-80,PVS-R-90,TCFH100N,S-6-1⁄4,FRS-R-250,LPJ-500SP**,FRS-R-25*,KLU-3000,LPN-RK-125SP**,LPN-RK-400SP**,LPJ-20SP**,FRS-R-9*,EDN**,KWS-R-50,NOS-45,642-R,LPS-RK-60SP**,FRS-R-90,PVS-R-80,NOS-40,JJN-1000,LPJ-7SP**,KWS-R-45,TCF6RN,KRP-C-801SP,DLN-R-125,LPJ-35SP**,KLU-650,LPS-RK-1-6/10SP,FRS-R-4/10,KRP-CL-600,PVS-R-70,LPJ-300SP**,KLU,PVS-R-175,LPN-RK-8/10SP,NON-8/10,KTU-1200,S-4-1⁄2,PVS-R-60,626-R,LPJ-3-1/2SP,JKS-400,FRN-R-1-4/10,KTU-4500,LPS-RK-2-1/4SP,JJN-200,KTN-R-225,LPJ-5SP,PVS-R-50,LPN-RK-50SP**,TCFH,LPS-RK-2/10SP,LPJ-4-1/2SP,W-1 8/10,LPJ-200SP**,NON-3/4,PVS-R-40,KRP-C-1400SP,FRN-R-2/10,TCF*,KTN-R-450,TCF6,S-2-8⁄10,DLS-R-100,TCF60RN,LPJ-SPI,PVS-R-30,W-1/2,DLN-R-175,JJN-225,FRS-R-15/100,PVS-R-35,LPN-RK-1/10SP,CFD30J3,KLU-601,JKS-450,S-3-1⁄2,DLS-R-110,LPJ-9SP**,DLS-R-350,KTU-1000,PVS-R-20,JJN-450,LPN-RK_SP,NOS-1,PVS-R-25,NOS-2,NOS-3,KTK-R-3/10,NOS-4,NOS-5,NOS-6,NOS-7,NOS-8,NOS-9,LP-CC-8/10,LPS-RK-300SP**,JKS-200,DLS-R-125,LPJ-100SP**,FRS-R-2-I/2,FRS-R-2/10,T-4-1⁄2,LPS-RK-2-1/2SP,LPJ-3SP,LPJ-60SP**,LPS-RK-200SP**,SC-1,SC-2,KRP-C-601SP,NON-1/2,2664-R*,LPS-RK-90SP**,NON-1/8,LPS-RK-3-1/2SP,LPJ-2-1/2SP,FNQ-R,KTN-R-250,JKS-225,LPS-RK-100SP**,FNQ-R-6-1/4,FRN-R-1-6/10,KTK-R-2/10,JJN-700,KTU,KRP-CL-200,J600

2018/9/19 - EATON BUSSMANN - 选型指南代理服务技术支持批量订货