WMSIC Electronic Components

Brightking SFD52A05L01

ModelSFD52A05L01
PackageSOD-523
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 SFD52A05L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SFD52A05L01
Electronic Component
1
Package
SOD-523
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.041g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
200pF
Electronic Component
BM0264335851
Operating Temperature
55℃~+150℃
Voltage
25V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

Brightking SFD52A05L01 ESD防护二极管产品概述

SFD52A05L01是台湾君耀(Brightking)推出的一款单向ESD防护二极管,采用SOD-523微型表面贴装封装,专为敏感电子电路的静电放电(ESD)防护设计。该器件兼顾高脉冲耐受能力、宽温可靠性与紧凑尺寸,可满足消费电子、工业控制、汽车电子等多场景的静电防护需求。

一、产品基本信息

类别 详情 品牌 Brightking(台湾君耀) 型号 SFD52A05L01 防护类型 单向ESD防护二极管 封装 SOD-523(微型表面贴装,尺寸约1.6×0.8mm) 通道数 单路

二、核心电气参数解析

SFD52A05L01的关键参数针对ESD防护场景做了优化,核心性能如下:

  1. 反向截止电压(Vrwm):5V
    正常工作时可承受的最大反向直流电压,确保电路在额定电压下稳定运行,不触发防护功能。
  2. 击穿电压(Vbr):6V
    略高于截止电压,保证ESD事件发生时快速导通,及时泄放静电能量,避免后端器件过压损坏。
  3. 钳位电压(Vc):25V
    18A峰值脉冲(8/20μs波形)下的电压钳位值,直接决定防护效果——可将过压抑制在25V以内,保护敏感IC、传感器等器件。
  4. 峰值脉冲电流(Ipp):18A@8/20μs
    符合IEC 61000-4-2标准的ESD脉冲耐受能力,覆盖人体放电模型(HBM)、机器放电模型(MM)等常见静电场景。
  5. 反向漏电流(Ir):1μA
    极低漏电流保证正常工作时不影响电路功耗与信号完整性,适合低功耗设备。
  6. 结电容(Cj):200pF
    适用于低速信号/电源端口(如充电接口、按键电路),若需高频应用需搭配低结电容器件。
  7. 工作温度范围:-55℃~+150℃
    宽温设计满足工业级、汽车级(部分场景)的极端环境需求,可靠性更高。

三、防护性能与标准认证

SFD52A05L01通过IEC 61000-4-2国际标准认证,该标准是电子设备ESD抗扰度的核心测试规范,具体防护能力包括:

  • 人体放电模型(HBM):可耐受≥8kV接触放电、≥15kV空气放电;
  • 机器放电模型(MM):覆盖工业场景的机械静电干扰;
  • 单向防护:仅对反向ESD脉冲提供保护,避免双向防护带来的额外寄生效应。

四、典型应用场景

结合参数特性,该器件适用于以下场景:

  1. 消费电子:智能手机、平板电脑、智能穿戴设备的电源端口、低速信号接口(如充电口、按键电路);
  2. 工业控制:PLC模块、传感器(温度/压力)、工业HMI的输入输出端口;
  3. 汽车电子:车载信息娱乐系统、车载传感器的信号端口(适配-55~150℃宽温);
  4. 通信设备:路由器、交换机的低速接口防护,避免静电损坏通信芯片。

五、设计优势与注意事项

核心优势

  1. 微型封装:SOD-523封装体积小,适合高密度PCB设计,节省板级空间;
  2. 宽温可靠性:-55~150℃工作温度,降低极端环境下的失效风险;
  3. 高脉冲耐受:18A峰值电流能力覆盖多数ESD事件的能量需求,防护可靠性高。

注意事项

  1. 结电容限制:200pF结电容不适用于高频信号(如射频RF、高速数字信号≥100MHz),需选用低结电容(<10pF)器件;
  2. 单向防护:仅适用于单向信号/电源线路,双向防护需选用Brightking SFD系列双向版本。

总结

SFD52A05L01作为Brightking的经典ESD防护器件,以微型封装、宽温性能、高脉冲耐受为核心优势,适配多领域敏感电路的静电防护需求,是低成本、高可靠性防护方案的优选。

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