【选型】463系列快熔型保险丝应用于智能插座,温升低、温度稳定性好,快速有效保护电路

2019-12-31 Littelfuse
保险丝,463,0463015.ER,Littelfuse 保险丝,463,0463015.ER,Littelfuse 保险丝,463,0463015.ER,Littelfuse 保险丝,463,0463015.ER,Littelfuse

智能插座与传统插座的主要功能上是一致的,就是提供220V的交流插口,当电路中的电流达到某一数值时,能断开电路。本文主要就常规的智能插座推荐合适的保险丝,智能插座的电路框图如下图所示:

通常插座的额定电压为250V,额定电流为10A,工业级电子产品的温度要求一般为-20℃~85℃,据此,推荐LITTELFUSE463系列NANO2保险丝,这是一种熔断快速、高电流保险丝。它具有优异的500次循环热循环耐久性,具有温升低、温度稳定性好等特点。463系列提供高安培电路保护,超高中断额定值(高达500A@72Vdc)和小尺寸(10.1毫米x 3.12毫米x 3.12毫米)和表面贴装模板,以帮助节省空间。463系列保险丝的电气特性如下图所示:

在选择保险丝的额定电流方面需要注意,并不是电路的额定电流为10A,保险丝的额定电流就选10A,要根据保险丝的认证和电路的工作温度来计算后选择,此次的保险丝是UL认证,有75%的折减率,最大工作温度为85℃,根据数据手册中的曲线图可得温度折减率为95%,则10A/(0.75*0.95)=14.035A,所以应选额定电流为15A的保险丝,具体型号应为0463015.ER


Littelfuse作为保护器件的大厂牌,种类丰富齐全,认证体系完善,产品可靠,世强作为原厂认证代理,有正品保证,且能提供免费样品,可点击查看463系列保险丝数据手册获得更多信息。有疑问欢迎在评论区留言,共同探讨。


授权代理商:世强先进(深圳)科技股份有限公司
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  • 温度保险丝 Lv2 工程师 2021-08-26
    询恒温类的元件,看附件图片 要求:在35度时打开,在45度时关闭
    • Mia回复: 目前我司没有代理现成的可以完成此功能的成品,我司有代理类似功能的温度开关:ROHM的80℃的温度开关:BDJ0800AHFV。达到阈值引脚输出控制电平。 数据手册链接:BDJ0800AHFV温控开关数据手册:https://www.sekorm.com/doc/925877.html

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T,0482 0003ZXPF,0154.500,0453008.,824 20,451,452,453,0520 0001,354 101-GY,454,213,456,215,03540012ZXGY,458,216,459,217,218,453.1,453.2,03540809ZXGY,453.8,453.5,0520 0004 Z,453.4,460,3453LF3-010,461,0451.080,312 000,462,220,464,465,0482 0008ZXBF,466,224,467,225,468,469,254 101,229,800 0000 0105,0482 0017ZXP,560 0000 13 19,01000020Z,471,230,472,0101 0001,473,232,233,0356 0011Z,234,477,235,239,125 001,125 003,570 0000 0001,125 002,0445 0001,03540601ZXGY,154002. 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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 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选型指南  -  LITTELFUSE PDF 英文 下载

开关电源中,如何选用保险丝的电流?

一是看电路的最大持续工作电流,二是看工作环境温度,三是所选保险丝的认证情况,比如UL认证的保险丝折减率是75%。保险丝的额定电流=电路最大持续工作电流/(温度折减率*保险丝认证折减率),举个例子,电路的最大持续工作电流为2A,工作温度最大为80℃,对应保险丝的温度折减率为88%,UL认证,2A/(0.88*0.75)=3.03A,则所选保险丝的额定电流应大于3.03A。Littelfuse作为保护器件的大品牌,保险丝种类丰富,认证齐全,可以在平台搜索了解详情,有具体需要可以提选型帮助,保险丝不光只看电流的。

技术问答    发布时间 : 2019-12-12

【元件】LITTELFUSE推出行业首创超大电流SMD保险丝系列,提供150A和200A额定电流规格

LITTELFUSE近日宣布推出871系列超大电流SMD保险丝,这一创新系列是对881系列的补充,提供150A和200A保险丝额定电流,是对881系列125A最大额定电流的重大升级。871保险丝系列为电子设计人员提供单保险丝、表面安装解决方案,无需并联保险丝配置。

产品    发布时间 : 2024-10-09

【技术】Littelfuse解析保险丝及其应用注意事项

保险丝作为过流保护器件,在电子行业得到普遍应用,存在感非常强,却又那么不起眼,只要不是全新的设计方案,只要没出问题,经验的沿用以至于很多硬件工程师对于保险丝的参数与选型不明所以。Littelfuse浅显易懂地讲述保险丝及其应用注意事项,供有需人士参考。

技术探讨    发布时间 : 2022-08-31

【产品】紧凑型OMNI-BLOK®保险丝座254系列,配有增强型保险丝夹,独特设计可自动对准保险丝盖

254系列是Littelfuse公司推出的紧凑型OMNI-BLOK®保险丝座,与2AG保险丝搭配使用。254系列设计有焊接型端子、Q.C.端子或PCB板安装型端子可供选择,而针对PCB板安装又提供了正常环境下使用的镀锡黄铜端子或腐蚀性环境中使用的镀锡铍铜端子。此外,254系列保险丝座标配有增强型保险丝夹,这充分保证了器件稳定性和安全性,可用于保护电路、电池盒、车辆等领域。

新产品    发布时间 : 2019-03-21

294C Series PAL Fuses – Rated 32 V DC Fuse Datasheet

型号- 294C,0294080._,0294060._,0294100._,0294050._,0294020._,294C SERIES,0294120._,0294XXX.MXJ-C

数据手册  -  LITTELFUSE  - 7/25/2024 PDF 英文 下载

数据手册  -  LITTELFUSE  - 2018/07/12 PDF 英文 下载

【产品】2AG保险丝防电击安全保险丝座245系列,适用于保护电路、电池盒、车辆等

245系列是由Littelfuse公司推出的2AG保险丝防电击安全保险丝座,可配合225系列、229系列和2200029系列保险丝使用。其螺丝刀槽旋钮风格提供低轮廓安全设计,减少了电击的可能性,可用于保护电路、电池盒、车辆等方面。

新产品    发布时间 : 2019-03-19

463 Series NANO2® Fuse Datasheet

型号- 463,463 SERIES,0463030.ER

数据手册  -  LITTELFUSE  - 03/22/24 PDF 英文 下载

Littelfuse 保险丝 ,规格书中维持电流ihold是什么意思?触发电流itrip是什么意思?请阐述详细电流先后保险丝的工作状况,请教专业

保险丝的Ihold 就是保持电流,也就是工作电流,一般标明的多少A,在该电流下工作,保险丝不会动作。Itrip就是触发电流,熔断电流, 一般为保持电流的两倍,达到该电流,保险丝会快速动作。Ihold和Itrip之间的电流,会引起保险丝发热,如果散热条件差,引起热量累计,也可能导致保险丝动作。Ihold和Itrip的值和温度有关系,温度越高,Ihold越小。

技术问答    发布时间 : 2019-05-31

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