WMSIC Electronic Components

Brightking SET23A03L02

ModelSET23A03L02
PackageSOT-23
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SET23A03L02
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SET23A03L02
Electronic Component
1
Package
SOT-23
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.051g
Electronic Component
1
Cj- Capacitor
200pF
Electronic Component
BM0263668554
Operating Temperature
55℃~+150℃
Voltage
15V
Electronic Component
IEC 61000-4-2
Current(Ir)
5uA
Voltage(VBR)
4V

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

Brightking SET23A03L02 ESD防护二极管产品概述

Brightking(台湾君耀)SET23A03L02 是一款专为电子设备静电放电(ESD)防护设计的单向贴片二极管,采用SOT-23小尺寸封装,适配3.3V系统的接口与敏感电路防护,具备宽温适应性与标准合规性,是工业、消费电子等领域的实用防护器件。

一、产品基本信息

SET23A03L02由台湾君耀电子研发生产,属于单向ESD防护二极管,核心功能是在静电脉冲冲击时快速导通,将过压能量泄放至地,保护后端敏感元器件(如MCU、传感器、接口芯片)免受损坏。其封装为SOT-23(表面贴装),尺寸紧凑(典型值:长2.9mm×宽1.6mm×高1.1mm),可直接集成于高密度电路板,适配自动化贴装工艺,无需额外散热设计。

二、核心电性能参数

该器件参数针对3.3V系统优化,关键指标如下:

  • 反向截止电压(Vrwm):3.3V:正常工作时反向施加的最大电压(不击穿),完全匹配主流3.3V供电系统(嵌入式MCU、物联网节点等);
  • 击穿电压(Vbr):4V:典型反向击穿电压,确保静电脉冲触发时快速导通(无延迟),避免“软击穿”导致的能量积累;
  • 钳位电压(Vc):15V:静电脉冲峰值(如8kV接触放电)下的最大电压,将过压限制在后端电路耐受范围内(多数芯片抗静电阈值≤20V,15V满足防护需求);
  • 反向漏电流(Ir):5μA(25℃):反向截止时漏电流极小,不影响系统正常功耗与信号完整性;
  • 结电容(Cj):200pF:器件内部PN结寄生电容,适配低速信号(UART、I2C等),对高速信号需谨慎使用;
  • 工作温度范围:-55℃~+150℃:覆盖工业级宽温要求,可用于极端环境(户外传感器、车载子系统)。

三、防护特性与标准合规性

SET23A03L02严格遵循IEC 61000-4-2(静电放电抗扰度测试标准),可应对常见静电场景:

  • 接触放电:最高耐受8kV(人体模型HBM等效);
  • 空气放电:最高耐受15kV(人体模型HBM等效);
  • 快速响应:ESD二极管典型响应时间为ns级(<1ns),可瞬间响应静电脉冲(放电时间仅ns~μs级),避免能量突破防护。

此外,该器件为单向防护,仅对某一方向过压脉冲泄放,适合电源正极到地等定向防护需求。

四、主要应用场景

结合参数与特性,SET23A03L02适用于以下场景:

  1. 消费电子:手机、平板、智能穿戴的低速接口(耳机孔、充电口、按键)静电防护;
  2. 工业控制:PLC模块、传感器节点、工业网关的UART/I2C接口防护,宽温适配工业现场;
  3. 汽车电子:车载信息娱乐系统的低速接口(CAN辅助接口、按键板)防护(部分车型满足-55~150℃要求);
  4. 物联网设备:智能家居传感器(温湿度、光照)、网关的电源与信号接口防护;
  5. 通信设备:路由器、交换机的Console口、状态指示灯接口防护。

五、结电容与信号兼容性说明

由于结电容为200pF,该器件更适合低速信号与模拟信号防护:

  • 低速数字信号:UART(≤115200bps)、I2C(≤100kHz)、SPI(低速模式≤1MHz);
  • 模拟信号:传感器输出(0~5V模拟量)、音频信号等;
  • 不建议用于高速信号(USB3.0、HDMI、千兆以太网),此类场景需搭配低容值(<10pF)ESD器件。

六、环境适应性与可靠性

  • 温度稳定性:-55℃~+150℃范围内电参数无明显漂移,满足工业、汽车 harsh环境;
  • 封装可靠性:SOT-23塑封结构,抗振动(10g~2000Hz)、抗冲击(1000g/0.1ms)性能优异;
  • 长期可靠性:通过Brightking内部高温存储、温度循环测试,寿命周期内性能稳定。

总结:SET23A03L02是一款性价比高的单向ESD防护二极管,针对3.3V系统优化,宽温适配多场景,适合低速接口与敏感电路的静电防护需求。

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