WMSIC Electronic Components

Littelfuse 1.5SMC220CA

Model1.5SMC220CA
PackageDO-214AB
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Littelfuse 1.5SMC220CA
Type
LITTELFUSE
Unit
Electronic Component
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
LITTELFUSE
Electronic Component
1.5SMC220CA
Electronic Component
1
Package
DO-214AB
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.4g
Electronic Component
1
Electronic Component
BM0257248313
Operating Temperature
65℃~+150℃
Voltage
328V
Electronic Component
IEC 61000-4-2
Voltage(VBR)
209V

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

1.5SMC220CA 产品概述

一、产品简介

Littelfuse 1.5SMC220CA 为双向瞬态电压抑制二极管(TVS),采用 DO-214AB(SMC)封装,专为工业级瞬态浪涌和静电放电保护设计。器件在高能脉冲冲击下提供快速钳位,保护敏感电子负载免受过压损伤,适用于电源线、直流/交流总线及差分信号线的防护要求较高的场合。

二、主要参数

  • 极性:双向(Bi-Dir)
  • 反向截止电压 Vrwm:185 V
  • 击穿电压(典型):209 V
  • 钳位电压(典型):328 V(在峰值脉冲条件下)
  • 峰值脉冲电流 Ipp:4.6 A
  • 峰值脉冲功率 Ppp:1.5 kW
  • 工作温度范围:-65 ℃ 至 +150 ℃
  • 防护标准:符合 IEC 61000-4-2(静电放电)
  • 封装:DO-214AB(SMC),2 引脚

三、主要特性与优势

  • 双向保护:支持正负极性瞬变,尤其适合交流或无固定极性的线路。
  • 高功率吸收能力:1.5 kW 峰值脉冲功率和 4.6 A 峰值冲击电流能应对较强的浪涌事件。
  • 宽工作温度:-65 ℃ 到 +150 ℃,满足严苛工业与汽车级环境耐受性需求。
  • 小尺寸大能量:SMC 封装在 PCB 布局上兼顾散热与占板面积,便于自动化焊接与量产。
  • 符合 IEC 61000-4-2:具备良好的静电防护能力,提升系统抗扰性。

四、典型应用

  • 工业电源总线保护(直流/交流)
  • 电机控制器、变频器输入端防浪涌
  • 通信设备、电源适配器与基站供电保护
  • 太阳能逆变器、储能系统的直流母线保护
  • 需双向钳位的差分信号或保护接地线路

五、封装与安装注意事项

  • 推荐将 TVS 器件尽量靠近被保护端口(输入端或接口),以缩短引线和走线,降低环路电感。
  • SMC/DO-214AB 为表面贴装封装,建议采用合适的 PCB 焊盘样式并按照厂家回流焊温度曲线进行工艺控制。
  • 双向器件无极性标识要求,但请按设计图正确跨接于需保护的两端(线—线或线—地)。
  • 注意散热:在连续或重复冲击工况下注意热量积累,必要时优化散热铜箔或采用散热方案。

六、可靠性与环境适应

  1. 工作温度范围宽,适合极端冷热环境。
  2. 长期在高温或频繁浪涌环境中使用时,应评估器件累积热应力与寿命退化。
  3. 符合 IEC 61000-4-2,能有效缓解静电放电导致的瞬态故障。

七、选型建议与注意事项

  • 若系统工作电压接近或高于 Vrwm(185 V),请选择更高反向截止电压等级或并联/串联方案以保证正常运行。
  • 钳位电压(328 V)为峰值钳位能力参考值,选型时需确保系统在此钳位下不会受到损害。
  • 在高能量冲击场合,结合系统保险丝或熔断保护可进一步提高整体可靠性。
  • 如需更详细的电气特性曲线、浪涌测试条件或 PCB 封装建议,请参阅 Littelfuse 官方数据手册或联系供应商技术支持。

总结:1.5SMC220CA 以其双向防护、高脉冲功率承受能力和宽温度范围,适合工业、电力及通信等对瞬态浪涌防护有较高要求的应用场景,是可靠的线路保护选择。

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