WMSIC Electronic Components

Brightking SA24CA/B SA24CA

ModelSA24CA/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 SA24CA / B
Type
BRIGHTKING
Minimum package
2000 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SA24CA/B
Electronic Component
1
Package
DO-15
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.43g
Electronic Component
1
Electronic Component
BM0264881689
Voltage
38.9V
Current(Ir)
1uA
Voltage(VBR)
26.7V
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 SA24CA/B 双向瞬态抑制二极管(TVS)产品概述

一、产品定位与核心价值

Brightking(台湾君耀)SA24CA/B是一款针对24V系统设计的双向瞬态抑制二极管(TVS),核心作用是快速抑制电路中的瞬态过压(如雷击浪涌、开关脉冲、静电放电等),保护敏感电子元器件免受损坏。作为君耀过压保护产品线中的经典型号,其具备双向防护、低漏电流、高脉冲耐受等特点,适配工业控制、通信接口、汽车电子等多场景需求,是电子设备过压防护的高性价比选择。

二、关键技术参数解析

SA24CA/B的核心参数经过精准设计,可满足多数24V系统的防护要求,各参数意义如下:

  1. 极性与基础电压:双向极性设计,无需区分正负极即可安装,简化电路布局;反向截止电压(Vrwm)为24V,对应系统正常工作电压上限,确保TVS在设备常规运行时不导通;
  2. 击穿与钳位特性:击穿电压(Vbr)为26.7V,略高于Vrwm,避免正常电压波动触发防护;钳位电压(Vc)为38.9V,是过压抑制的关键指标——当系统遭遇瞬态浪涌时,TVS迅速导通并将电压钳位在38.9V以内,保护后端器件;
  3. 脉冲耐受能力:峰值脉冲电流(Ipp)可达13.1A,峰值脉冲功率(Ppp)为500W,可应对常见中等强度浪涌(如10/1000μs或8/20μs脉冲);
  4. 漏电流与可靠性:反向漏电流(Ir)仅1μA,远低于多数同类产品,不会影响系统正常工作电流;
  5. 封装形式:采用轴向(Axial)封装,引线式结构适合通孔焊接,散热性能优异,且便于在现有电路中替换升级。

三、典型应用场景

SA24CA/B的参数特性使其适配以下典型场景:

  1. 工业控制电源:PLC(可编程逻辑控制器)、传感器模块、伺服驱动器等24V供电设备的电源端防护,可抑制电网浪涌或电机开关产生的脉冲;
  2. 通信接口电路:RS485、CAN总线、Modbus等24V通信线路的信号端防护,抵御静电放电(ESD)、电快速瞬变脉冲群(EFT)对数据传输的干扰;
  3. 车载辅助系统:卡车、工程机械等24V车载设备(如车载显示屏、GPS终端)的过压防护,应对汽车点火脉冲或负载切换浪涌;
  4. 消费电子外接电源:部分外接24V适配器的医疗设备、安防监控设备的电源输入防护,避免适配器故障或电网波动带来的过压损坏。

四、品牌与可靠性优势

Brightking(君耀)作为台湾老牌半导体厂商,在过压保护领域拥有20余年研发与生产经验,SA24CA/B具备以下可靠性优势:

  • 环保合规:符合RoHS、REACH等国际环保标准,无铅封装适配现代电子制造需求;
  • 严格测试:经过脉冲循环测试(多次承受额定脉冲仍保持性能稳定)、高低温老化测试(-55℃~+150℃),满足工业级应用的环境要求;
  • 兼容性强:与多数同类TVS型号(如Littelfuse、Vishay的24V双向TVS)引脚兼容,便于电路升级替换。

五、选型与使用注意事项

为确保SA24CA/B发挥最佳防护效果,需注意以下要点:

  1. 电压匹配:系统正常工作电压需≤24V(Vrwm),若系统电压高于24V,需选择更高Vrwm的TVS型号;
  2. 脉冲能力验证:需根据系统实际可能遭遇的最大浪涌电流选择,若脉冲电流超过13.1A,可采用多个SA24CA/B并联(注意参数一致性);
  3. 焊接规范:轴向封装的焊接温度需控制在260℃以下,焊接时间≤5秒,避免高温损坏器件;
  4. 配合保险丝:建议在TVS前端串联保险丝(如自恢复保险丝或一次性保险丝),当TVS长期过载时,保险丝先熔断,避免TVS烧毁;
  5. 安装位置:TVS应尽可能靠近被保护器件或电源输入端口,减少引线电感对防护效果的影响。

总结

Brightking SA24CA/B作为一款针对24V系统的双向TVS,以均衡的参数设计、可靠的防护性能、实用的轴向封装,成为工业控制、通信、车载等领域过压保护的理想选择。其双向防护特性简化了电路设计,低漏电流保证了系统稳定性,高脉冲耐受能力可应对多数常见浪涌场景,是电子设备过压防护的可靠解决方案。

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