WMSIC Electronic Components

TWGMC SS32 Schottky Diode SS32

ModelSS32
PackageSMA
BrandTWGMC
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

19 specifications

Core information

Product name
TWGMC SS32
Type
TWGMC
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TWGMC
Electronic Component
SS32
Electronic Component
1
Package
SMA
Electronic Component
Schottky Diode
Electronic Component
0.105g
Electronic Component
1
Electronic Component
BM0226538440
Current
3A
Diode
Electronic Component
Current(Ir)
500uA
(Vf)
550mV@3A
Electronic Component
55℃~+125℃
Electronic Component
Electronic Component
Electronic Component
2000

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

SS32(TWGMC)产品概述

一、产品简介

SS32 为台湾迪嘉(TWGMC)供应的独立式肖特基二极管,采用 SMA 封装,额定整流电流 3A,反向耐压 20V。该型号以低正向压降和快速响应为主要特性,适用于整流、反并联保护、开关电源和功率管理等场景。工作结温范围宽,适应多种工业与消费电子应用环境。

二、主要技术参数

  • 型号:SS32
  • 品牌:TWGMC(台湾迪嘉)
  • 封装:SMA(独立式贴片/插件适配)
  • 整流电流(If):3A(DC)
  • 直流反向耐压(Vr):20V
  • 正向压降(Vf):≈0.55V @ 3A
  • 反向电流(Ir):≤500μA(在额定 Vr 条件下)
  • 工作结温(Tj):-55℃ ~ +125℃

三、特性与优势

  • 低正向压降:Vf≈0.55V@3A,相较于普通硅整流器能显著降低导通功耗,提升能效并减少发热。
  • 高整流能力:额定 3A 直流整流电流,可满足中等功率供电与电流旁路需求。
  • 宽工作温度:-55℃~+125℃,适合工业级温度环境。
  • 小型封装:SMA 封装体积小,便于 PCB 布局和空间受限场合的应用。
  • 快速响应:肖特基结构固有的低存储电荷,使其在开关电源和高频整流中表现优异。

四、典型应用场景

  • 开关电源(开关二极管、输出整流)
  • 反并联与反接保护(防止反向电流损坏电路)
  • 电池充放电路径控制和低压电源管理
  • 功率模块、马达驱动和车载电子低压部分

五、封装与可靠性提示

SMA 为常用的小型封装,具备一定散热能力但热阻相对较高。实际使用时建议在 PCB 上增加焊盘铜箔面积以改善散热,必要时与散热铜箔或散热器配合。注意焊接工艺参数,避免超出封装和材料的温度限制,参照 TWGMC 的标准焊接曲线进行回流焊或手工焊接。

六、使用注意事项

  • 反向漏电随温度升高而显著增加,需在高温工况下评估漏电对电路的影响。
  • 在高于环境温度或持续大电流工作时,应按热阻与降额曲线进行电流降额设计。
  • 并联使用需注意电流均分问题,宜采用电阻分流或热设计优化。
  • 若需更高耐压或更低漏电,可考虑其他型号或增加串联方案。

七、选型建议

若应用要求低压大电流整流、追求更低导通损耗且工作电压不超过 20V,SS32 是经济且可靠的选择。在设计前请参考 TWGMC 官方数据手册确认详细的电气特性曲线、热阻与焊接说明,以便进行热设计与可靠性验证。

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