WMSIC Electronic Components

Littelfuse 1.5KE36CA

Model1.5KE36CA
PackageDO-201AD
BrandLittelfuse
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Littelfuse 1.5KE36CA
Type
LITTELFUSE
Minimum package
1200 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LITTELFUSE
Electronic Component
1.5KE36CA
Electronic Component
1
Package
DO-201AD
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
2.88g
Electronic Component
1
Electronic Component
BM0264691837
Operating Temperature
55℃~+175℃
Voltage
49.9V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
37.8V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

Littelfuse 1.5KE36CA 双向TVS二极管产品概述

Littelfuse(美国力特)推出的1.5KE36CA是一款1.5kW级双向瞬态电压抑制器(TVS),专为敏感电子电路的过压防护设计,可有效抑制静电放电(ESD)、电快速瞬变脉冲群(EFT)等瞬态干扰,适用于宽温、高可靠性的工业及汽车电子场景。

一、产品定位与核心应用场景

1.5KE36CA属于中功率TVS二极管,核心定位是为电子系统提供瞬态过压防护,避免后级电路因电压尖峰损坏。其典型应用场景包括:

  • 工业控制设备:PLC、伺服驱动器等的电源及信号端口防护;
  • 汽车电子:发动机舱内传感器、ECU等高温环境下的过压防护(工作温度覆盖-55℃~+175℃);
  • 通信设备:基站、路由器等的电源输入及射频端口防护;
  • 电源系统:开关电源、UPS的输出端过压防护。

二、关键电气参数详解

  1. 极性与截止/击穿特性
    采用双向设计,无需区分正负极,安装灵活;反向截止电压(Vrwm)为30.8V,即电路正常工作时,器件反向漏电流极小(仅1μA),不影响电路功能;击穿电压(Vbr)为37.8V,当电路电压超过该值时,器件快速导通,启动钳位防护。

  2. 钳位与脉冲耐受能力
    钳位电压(Vc)为49.9V,可将过压尖峰限制在安全范围内,保护后级敏感元件;峰值脉冲电流(Ipp)达30.5A,峰值脉冲功率(Ppp)为1.5kW(测试波形为10/1000μs)——10/1000μs波形指脉冲上升时间10μs、半峰值时间1000μs,符合国际TVS测试规范,可有效应对实际场景中的瞬态干扰。

三、机械与环境特性

  1. 宽温工作范围
    工作温度覆盖**-55℃+175℃**,远超普通TVS二极管(多为-40℃+125℃),可在汽车发动机舱、工业高温烤箱等极端环境下稳定工作,可靠性突出。

  2. 封装与机械强度
    采用DO-201AD通孔封装,引脚间距符合标准PCB设计,机械强度高,可承受振动、冲击等环境应力;通孔安装方式适合传统PCB布线,无需特殊焊接设备。

四、防护标准与可靠性

  1. 符合国际防护标准
    满足IEC 61000-4-2(ESD) 和IEC 61000-4-4(EFT) 标准:

    • ESD防护:可承受人体放电模式(HBM)、机器放电模式(MM)等常见ESD干扰;
    • EFT防护:能抑制快速重复的脉冲群干扰,避免电路误动作或损坏。
  2. 高可靠性设计
    作为Littelfuse成熟产品线中的一员,1.5KE36CA经过严格的可靠性测试(如温度循环、振动测试),可长期稳定工作,适合对可靠性要求较高的工业及汽车领域。

五、安装与应用注意事项

  1. PCB布局建议
    应靠近被防护的端口(如电源输入、信号接口),尽量缩短器件与防护对象之间的引线长度,以降低寄生电感(寄生电感会导致钳位电压升高,影响防护效果)。

  2. 焊接要求
    遵循标准通孔焊接工艺,焊接温度控制在260℃以内(持续时间不超过10秒),避免高温损坏器件内部结构。

  3. 参数匹配
    选择时需确保Vrwm不低于电路正常工作电压的1.2倍,钳位电压Vc不超过后级元件的最大耐压值,以实现最佳防护效果。

1.5KE36CA凭借双向设计、宽温范围、高脉冲耐受能力及符合国际标准的防护性能,成为工业及汽车电子领域过压防护的可靠选择,可有效提升电子系统的抗干扰能力与使用寿命。

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