WMSIC Electronic Components

Brightking SA16CA/B SA16CA

ModelSA16CA/B
PackageDO-15
BrandBrightking
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SA16CA / B
Type
BRIGHTKING
Minimum package
2000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SA16CA/B
Electronic Component
1
Package
DO-15
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.41g
Electronic Component
1
Electronic Component
BM0264881688
Voltage
26V
Current(Ir)
1uA
Voltage(VBR)
17.8V
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.

Brightking SA16CA/B 双向TVS管产品概述

一、产品定位与典型应用场景

Brightking(台湾君耀)SA16CA/B是一款双向瞬态抑制二极管(TVS),核心功能是吸收电路中的瞬态过压脉冲(如雷击、开关浪涌、静电放电),保护敏感电子元件免受损坏。该器件针对中低电压电路设计,典型应用场景包括:

  • 消费电子:智能手机、平板、笔记本的电源/数据线接口防护;
  • 通信设备:路由器、交换机、光纤收发器的信号线路浪涌防护;
  • 工业控制:PLC模块、传感器节点、伺服驱动器的辅助电源防护;
  • 汽车电子:车载中控、倒车影像的低压线路辅助防护(需结合车规认证需求)。

二、核心电气参数深度解析

SA16CA/B的关键参数直接决定防护能力,以下是参数的实际意义:

  1. 极性:双向
    无需区分正负极,可直接并联在信号/电源线路两端,适配双向传输电路(如USB数据线、双向通信总线)。

  2. 反向截止电压(Vrwm):16V
    电路正常工作时TVS反向不导通的最大电压。建议电路最大工作电压≤15V(留1V余量),避免误触发影响正常供电。

  3. 钳位电压:26V
    瞬态过压时,TVS快速击穿导通,将线路电压钳位在26V以内,是保护后端IC的核心指标(需确保IC耐压≥26V)。

  4. 峰值脉冲电流(Ipp):19.6A@10/1000μs
    10/1000μs脉冲波形(上升沿10μs、半高宽1000μs)下,TVS能承受的最大峰值电流,对应行业标准浪涌测试。

  5. 峰值脉冲功率(Ppp):500W@10/1000μs
    由钳位电压与峰值电流决定(26V×19.6A≈509.6W,公差内标称500W),是判断防护能力的核心指标。

  6. 击穿电压:17.8V
    反向击穿的典型电压,比Vrwm高1.8V,是“正常工作→防护启动”的临界点,确保16V以内稳定工作。

  7. 反向漏电流(Ir):1μA@Vrwm
    正常工作时漏电流极小,不影响电路静态功耗,适合便携设备。

三、封装与可靠性设计

SA16CA/B采用Axial(轴向引线)封装,优势显著:

  1. 安装兼容性:通孔焊接适配传统PCB、原型板,无需贴片设备,降低设计成本;
  2. 散热性能:引线辅助散热,脉冲热量扩散效率优于部分贴片封装;
  3. 机械可靠性:镀锡引线焊接强度高,塑封耐温-55℃~150℃,适应工业环境;
  4. 抗振动能力:轴向结构不易断,适合汽车、工业现场等振动场景。

四、选型与替代参考

选型要点

  • 优先匹配电路工作电压:Vrwm需≥电路最大工作电压(如12V电路选16V);
  • 参考脉冲强度:若浪涌较大,可并联2~3个器件均流,或选Ppp更高的SA24CA。

替代型号

  • 同品牌:Brightking SA16CA(同系列轴向封装,参数一致);
  • 其他品牌:Littelfuse P6KE16CA(轴向,Vrwm16V、钳位25.6V、Ipp20A,参数接近);
  • 贴片替代:Vishay SMBJ16CA(SOT-23封装,适合贴片PCB)。

注意:替代需确认封装、脉冲波形标准(10/1000μs vs 8/20μs),避免防护不匹配。

五、应用注意事项

  1. 布局优化:TVS需紧靠被保护器件(如IC、接口),引线长度≤5cm,减少电感过压;
  2. 降额使用:脉冲功率降额50%(实际≤250W),延长寿命(TVS脉冲有微小损耗);
  3. 焊接要求:避免虚焊,确保引线与焊盘接触良好;
  4. 环境限制:长期工作温度≤150℃,短期脉冲可耐受更高温度但需散热;
  5. 并联设计:并联器件需参数一致(击穿电压公差≤±5%),布局对称均流。

总结

SA16CA/B是一款高性价比双向TVS管,针对中低电压电路浪涌防护优化,轴向封装适配传统PCB设计,参数稳定可靠。广泛应用于消费电子、通信、工业等领域,是敏感电路防护的常用选型。

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