WMSIC Electronic Components

Brightking SJD12A09L01

ModelSJD12A09L01
PackageSOD-123S
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SJD12A09L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SJD12A09L01
Electronic Component
1
Package
SOD-123S
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.038g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM0257695034
Operating Temperature
55℃~+150℃
Voltage
15.4V
Electronic Component
IEC 61000-4-2
Current(Ir)
10uA

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

SJD12A09L01(SOD-123S)产品概述

一、产品简介

SJD12A09L01 是 Brightking(台湾君耀)推出的一款单路单向静电放电(ESD)保护器件,封装为 SOD-123S。该器件面向需要对单条信号或电源线提供高能量瞬态抑制的应用场景,具备小型化封装、工业级工作温度范围以及符合 IEC 61000-4-2 的抗静电特性,适合消费电子、通信接口与工业控制等领域使用。

二、主要特性

  • 极性:单向(单极钳位,适用于正向瞬态的抑制)
  • 反向截止电压 Vrwm:9 V(适配 5 V、9 V 级别的信号/电源线)
  • 击穿电压(典型):10 V
  • 钳位电压 Vc:15.4 V(在 8/20 μs 波形下)
  • 峰值脉冲电流 Ipp:13 A(8/20 μs)
  • 峰值脉冲功率 Ppp:1 kW(8/20 μs)
  • 反向漏电流 Ir:10 μA(常温、V=Vrwm 条件下)
  • 通道数:单路
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 防护等级:满足 IEC 61000-4-2 标准要求
  • 封装:SOD-123S(表面贴装,紧凑)

三、典型电气行为与应用

该器件在正常工作电压(≤ Vrwm)下保持高阻态,反向漏电流微小。当出现高幅度、短持续时间的瞬态过压(如静电放电、雷电脉冲/开关干扰)时,器件进入导通区,将过压钳位在约 15.4 V,迅速将能量导入地线,从而保护下游电路。典型适用场景包括:

  • USB、UART、GPIO 等接口的 ESD 保护
  • 小功率电源线与信号线的瞬态抑制(≤9 V 工作电压)
  • 工业与楼宇控制器、IoT 终端、移动设备外围接口等

四、封装与布局建议

SOD-123S 封装体积小、适合高密度 PCB 布局。为获得最佳保护效果,建议:

  • 将器件靠近待保护的连接器或接口放置,减小环路面积与走线电感
  • 器件地端直接焊接至低阻抗的接地平面,减少回流路径阻抗
  • 在多线路保护场合对每条线分别布置器件,避免共用长走线导致降额
  • 对于高能量或反复冲击环境,可在保护器前加串联限流器件(如贴片电阻或阻尼网络)

五、可靠性与使用注意

  • 器件工作温度范围宽(-55 ℃ ~ +150 ℃),适合工业级应用,但长期在高温冲击环境下应评估寿命退化
  • 钳位电压与钳位性能受脉冲波形、PCB 寄生电感与回路阻抗影响,测试时应按实际板级布局进行验证
  • 单向器件在连接时需确认极性;正常情况下将器件的接地端接系统地,信号端接被保护线。具体引脚标识请参照厂方封装与引脚说明书
  • 对于连续或重复的大能量冲击场景(超过 8/20 μs 规格),应考虑并联或级联更高能量的保护方案

六、合规与选型提示

SJD12A09L01 符合 IEC 61000-4-2 静电放电防护等级,能够承受常见的接触/空气放电事件,用于提升系统抗扰度。选型时请确认:

  • 系统最大工作电压 ≤ 9 V(Vrwm)以避免长期漏电或误触发
  • 钳位电压 15.4 V 能被下游模块容忍(确保后级器件不会因钳位电压而损坏)
  • 根据系统所需的脉冲能量选择是否需要更高 Ipp/Ppp 规格的器件

七、订货信息

型号:SJD12A09L01
品牌:Brightking(台湾君耀)
封装:SOD-123S
单路、单向 ESD 保护器件,适合小型化、高可靠性静电防护需求。购买与量产前建议索取器件详细数据手册并进行板级 EMC/ESD 验证。

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