【产品】符合AEC-Q200标准的低电阻金属电阻器,具有0.005Ω的超低电阻值
TT Electronics集团推出了一系列低电阻金属电阻器——LRMA系列,具有仅为0.005Ω的超低电阻值,具有低热电动势版本和高功率版本,可以在170°C高温下保持工作,还适用于电力电子电流感测应用。LRMA系列低电阻金属电阻器还符合RoHS标准与AEC-Q200标准,可应用在开关电源、线性电源、电力电子电流感测、汽车电流检测电路和电子仪器等领域中。
TT Electronics推出的LRMA系列低电阻金属电阻器采用了涂层(UL94-V0)、镍镀锡屏障铜电极以及低TCR电阻合金板,适用于波峰和红外回流焊接,这种结构特征确保了器件的寿命稳定性以及良好的耐高温能力与耐溶剂性。
图1. LRMA系列低电阻金属电阻器的模型图
图2. LRMA系列低电阻金属电阻器的结构图
TT Electronics LRMA系列低电阻金属电阻器具有四个版本和七种封装尺寸搭配,分别是标准T版、高功率P版、低热电动势M版、逆N版和0612、0805、0815、1206、1225、2010、2512 。它们的额定功率(70℃)在0.5W~3W之间,过载额定值(5s)最高达额定功率的五倍 ,且额定功率从70℃开始降额,于170℃降至零点。LRMA系列低电阻金属电阻器容差为±1%和±5%,工作温度范围为-55℃~170℃,其他电气数据具体参考图3:
图3. LRMA系列低电阻金属电阻器的电气数据
图4. LRMA系列低电阻金属电阻器的功率降额曲线&温度上升曲线
LRMA系列低电阻金属电阻器关于负载寿命、短时间超载、防潮性、温度循环、耐焊热、可焊性、干热、低温储存、基板弯曲以及绝缘电阻的性能测试数据参考图5:
图5. LRMA系列低电阻金属电阻器的性能数据
LRMA系列低电阻金属电阻器的特性与优势:
• 超低电阻值仅为0.005Ω
• 最高功率高至3w
• 最低容差为±1%
• 符合ROHS标准
• 符合AEC-Q200标准
• 最高工作温度为170°C
• 具有低热电动势版本和高功率版本
• 寿命稳定性高
LRMA系列低电阻金属电阻器的市场及应用:
• 开关电源
• 线性电源
• 汽车电流检测电路
• 电子仪器
• 电力电子电流感测
LRMA系列低电阻金属电阻器的存储与焊装建议:
• 5°C至35°C和40%至75%RH(相对湿度)
• 保质期:生产2年
• 适无铅SAC305合金(Sn 96.5%,Ag 3%,Cu 0.5%)焊接的推荐回流曲线如下:
预热:在150°C至180°C时60s至120s
焊接:≥230°C时20s至40s
峰值:250°C至255°C时5秒
图6. LRMA系列低电阻金属电阻器的物理数据&包装数据
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燕子飞 Lv5. 技术专家 2019-11-20学习
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pnl Lv7. 资深专家 2019-09-05学习了
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用户14344505 Lv7. 资深专家 2019-09-04学习
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Yuki Lv8. 研究员 2019-09-03学习
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Timm Lv9. 科学家 2019-08-30学习了解下
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Jerrfy Lv9. 科学家 2019-08-22低阻值可以带动电流检测 的高精度
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康波周期 Lv7. 资深专家 2019-08-22世强是TT官方授权一级分销商,代理TT旗下电阻,以及BI和Optek的传感器
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沧桑岁月 Lv8. 研究员 2019-08-22学习
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zdr69909057 Lv8. 研究员 2019-08-22了解下
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FENT Lv8. 研究员 2019-08-21学习
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TT Electronics Welwyn电阻选型,包括精密电阻、金属合金功率电阻、电流检测电阻、MELF电阻、线绕高浪涌电阻、通用表面安装电阻等,提供多参数选择,最小尺寸达0204,最小电阻值达0.2mΩ,公差范围±0.01%~±10%
产品型号
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品类
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Size
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Value(mΩ、Ω)
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Tolerance(%)
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HR0603F-100MJI
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High Value Surface Mounted Resistors
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0603
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100MΩ
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±5%
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选型表 - TT Electronics 立即选型
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【选型】TT Electronics(TT) 汽车级电阻选型指南
目录- AEC-Q200 认证的电阻
型号- LRMAP2512,LRMAP3920,PCF0402,WSMHP25,PCF0603,LR,OARS1,WSMHP20,WCR1210…A,CHP,LHVC,WCR2512¡�A,PCF1210,WCR…A,WPRT40,LRZ,CHP2,CHP1,CHP1/2,ULR,LR(F)2512,CHP1/8,PCF1206,LRZ2010,LHVC2010,LR1206,LR2010,PCF-H,WCR0402…A,LRZ1206,PCF1210H,PCF2010,WCR0805…A,LRMAM1206,BCN,WHPC,PCF,PCF1206H,WCR1210¡�A,WPRT50,BCN164AB,OARS,LRMA,WPRT10,WPRT15,WCR0603…A,OARSXP,WCR2512…A,WCR0805¡�A,WSMHP,WCR2010¡�A,LRMAT2512,ULR25,HVC2512,ULR2,LRF3W,PCF2010H,ULR1,LR(F)2010,PCF0805H,LR(F)1206,WPRT20,PCF0603H,LRMAN0815,ULR3,WCR1206…A,LR2512,SC3,WSMHP35,LRZ2512,PCF2512,WHPC2010,WPRT,HVC,OARS3,PCF0805,WCR1206¡�A,WCR0603¡�A,WHPC1206,WCR0402¡�A,WPRT30,WCR2010…A
TT Electronics to Showcase Extensive Lineup of Smart Sensors, Passive Components, and Power Management Solutions at APEC 2024
TT Electronics will be exhibiting at APEC, the leading conference for practicing power electronics professionals, in Long Beach, Calif., February 26-28. TT will showcase its extensive portfolio of passive components and power electronics at Booth 719. Among the products to be displayed, TT’s resistor products provide EV battery management and charging capabilities, reflecting the company’s stated strategic focus on sustainability and technology solutions that enable a cleaner, smarter and healthier future.
CURRENT SENSE RESISTORS - Application Note
型号- OAR,4LPW,WMHP20,OAR-5,2504,LRF3W,OAR5,LR(F),PLO,OARS-XP,CSL-5,OAR1,LRCS,OAR3,ULR,EBW,OAR-1,CSL,OAR-3,LOB,LR2512,WSMHP35,PWRL,LR1206,LR2010,W31,LRMA,OARS-1
【方案】4KW便携式高频逆变电焊机优选元器件方案
描述- 本方案采用Littlefuse SIC功率器件、Silicon labs电容隔离驱动、Renesas高压MOSFET和Shindengen片状整流桥等器件组成的高频逆变电路,可将机器工作频率提升到100KHz以上,效率提高到80%左右,同时机器体积可缩小近15%左右。解决了产品效率低、体积大、操作时电焊机移动不方便等问题。
型号- 2SK2225-80-E,LRMAP3920,D50XB80,TFLEX HD300,TPCM780,SMDTF03100QA00MQ00,R5F562TAADFP,LRMAP5930,1.5KE150CA,EKMW401VSN821MA40S,SI8273,SI827X,SGM6130,LSIC1M0120E0080,SI8620,D50JCB80,LSIC2SD120E20CC,250R145,2SK2225,LSIC1MO120E0080
TT Electronics Launches LRMAH2512 High-Power Shunt Resistors, Offering Values Down to 200µΩ at 1% Tolerance
TT Electronics has unveiled its latest innovation – the LRMAH2512 surface-mount technology (SMT) shunt resistors. This compact resistor boasts a robust 6W rating, making it the perfect solution for precision current measurements in motor control, power supply, and battery management applications.
电子商城
品牌:TT Electronics
品类:Low Resistance Metal Alloy Resistors
价格:¥2.3230
现货: 7,880
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.3305
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.3305
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.3305
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
品牌:TT Electronics
品类:High Power MELF Resistors
价格:¥0.5375
现货: 9,000
现货市场
品牌:TT Electronics
品类:Low Resistance Metal Alloy Resistors
价格:¥0.7268
现货:160,000
品牌:TT Electronics
品类:Low Resistance Metal Alloy Resistors
价格:¥0.7268
现货:107,900
品牌:TT Electronics
品类:Wirewound Power Radial Terminal Resistors
价格:¥29.9250
现货:22,389
品牌:TT Electronics
品类:Wirewound Power Radial Terminal Resistors
价格:¥7.1649
现货:814
品牌:TT Electronics
品类:Wirewound Power Radial Terminal Resistors
价格:¥16.0569
现货:42
品牌:TT Electronics
品类:Wirewound Power Radial Terminal Resistors
价格:¥17.9550
现货:7
服务
朗能泛亚提供是德(Keysight),罗德(R&S)等品牌的测试测量仪器维修服务,包括网络分析仪、无线通讯综测仪、信号发生器、频谱分析仪、信号分析仪、电源等仪器维修,支持一台仪器即可维修。
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可定制连接器的间距范围1.25mm~4.5mm、单列/双列列数、焊尾/表面贴装/浮动式等安装方式、镀层、针数等参数,插拔寿命达100万次以上。
最小起订量: 1 提交需求>
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