WMSIC Electronic Components

GOODWORK SMAJ64CA

ModelSMAJ64CA
PackageSMA(DO-214AC)
BrandGOODWORK
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
GOODWORK SMAJ64CA
Type
GOODWORK
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SMAJ64CA
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.099g
Electronic Component
1
Electronic Component
BM0229977691
Operating Temperature
55℃~+150℃
Voltage
103V
Current(Ir)
5uA
Voltage(VBR)
71.1V
Electronic Component
Electronic Component

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

SMAJ64CA 产品概述

一、产品简介

SMAJ64CA 是 GOODWORK(固得沃克)推出的一款双向瞬态抑制二极管(TVS),采用 GPP 工艺芯片,封装为 SMA(DO-214AC)。该器件专为抑制瞬态过电压、保护敏感电子设备免受浪涌、雷击及开关瞬变影响而设计,适用于工业、电源、通信及汽车电子等场景中的过压保护要求。

二、主要技术参数

  • 极性:双向(Bidirectional)
  • 反向工作电压 VRWM:64 V
  • 击穿电压 VBR:71.1 V(典型)
  • 钳位电压 Vc:103 V(在峰值脉冲条件下)
  • 峰值脉冲电流 Ipp:3.9 A(测试条件下)
  • 峰值脉冲功率 Ppp:400 W
  • 反向漏电流 Ir:5 μA(在 VRWM 下)
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 类型:TVS(瞬态电压抑制二极管)
  • 封装:SMA (DO-214AC)
  • 品牌:GOODWORK(固得沃克)

三、核心特性与优势

  • 低漏电:在标准工作电压下漏电流仅约 5 μA,可在对静态功耗敏感的系统中长期使用而不影响正常运行电流。
  • 高对档率与稳定性:GPP 工艺提供良好的击穿及箝位一致性,器件在重复浪涌作用下表现出稳定的电气特性。
  • 宽温度适应能力:-55 ℃ 至 +150 ℃ 的工作范围,适合高温环境与苛刻工业应用。
  • 双向保护:可承受正负极性瞬变,方便用于交流或可能出现极性反向的直流线路保护。
  • SMA 封装:体积小、焊接方便,适合表面贴装工艺(SMT),便于批量生产与可靠安装。

四、典型应用

  • 开关电源与电源输入防护
  • 工业控制与PLC 系统的浪涌保护
  • 通信设备、路由器、基站的端口保护
  • 汽车电子(非关键安全路径)与车载电源总线的瞬态抑制
  • 测量仪器、显示器与家电的输入侧防雷浪涌

五、使用与设计要点

  • 布局建议:将 TVS 靠近被保护元件或受保护端口放置,走线尽量短且宽,以降低寄生电感并提高抑制效果。
  • 散热考虑:SMA 封装在高能量脉冲下会产生热量,必要时在铜箔和钻孔(thermal vias)上优化散热路径,避免频繁大能量浪涌导致寿命下降。
  • 极性选择:双向器件适用于交流或可反相的线路;在单向直流系统中可考虑单向型以获得更低的钳位电压。
  • 浪涌规范匹配:在系统设计中结合实际浪涌能量,参考 Ppp 与 Ipp 指标,并进行相应的浪涌测试验证(例如 IEC/EN 浪涌标准测试)。

六、可靠性与环境适应性

基于 GPP 工艺的芯片工艺使器件在高温及多次浪涌循环下具有良好的稳定性。-55 ℃ 到 +150 ℃ 的工作温度覆盖了大多数工业与高温车载环境。为确保长期可靠性,建议在样机阶段进行温度循环、湿热与浪涌耐受测试。

七、封装与物理信息

SMA(DO-214AC)表面贴装封装,适配自动贴片与回流焊工艺。物理尺寸小、引脚强度适中,适合 PCB 紧凑布局,但在大功率浪涌应用中需注意焊盘与散热设计。

八、结论

SMAJ64CA 是一款面向中等能量浪涌防护的双向 TVS 器件,具有低漏电、高稳定性及宽温度适应性,适用于需要可靠瞬态抑制的工业、电源及通信场景。合理的 PCB 布局与散热设计能够发挥其最佳性能;在关键应用中建议结合实际浪涌工况进行完整的验证测试。若需更详细的典型波形、测试条件或可靠性数据,可向 GOODWORK 获取完整数据手册与应用说明。

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