WMSIC Electronic Components

Brightking SJD12A14L01

ModelSJD12A14L01
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SJD12A14L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SJD12A14L01
Electronic Component
1
Package
SOD-123S
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.058g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM0264881648
Operating Temperature
55℃~+150℃
Voltage
23.2V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
17.2V

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

Brightking SJD12A14L01 ESD防护器件产品概述

SJD12A14L01是台湾君耀(Brightking)推出的单路瞬态电压抑制(TVS)类ESD防护器件,专为电子设备的静电放电(ESD)及瞬态过压防护设计,具备低漏电流、高脉冲耐受能力及宽温适应性,适配高密度PCB布局场景,是消费电子、工业控制等领域的实用防护方案。

一、产品定位与核心应用场景

该器件属于单路ESD防护专用器件,核心作用是在静电脉冲或瞬态过压冲击时,快速将电压钳位至安全范围,避免后端敏感电路(如MCU、传感器、接口芯片)被击穿损坏。其单路设计精准匹配单引脚/单通道防护需求,典型应用覆盖:

  1. 消费电子:智能手机、平板电脑的USB、HDMI、音频接口防护;
  2. 工业控制:传感器节点、PLC输入输出接口的静电防护;
  3. 汽车电子:车载显示屏、CAN/LIN通信接口的辅助防护;
  4. 通信设备:路由器、交换机RJ45接口的单路防护。

二、关键电气参数解析

SJD12A14L01的电气参数精准匹配中低压电路防护需求,核心参数及实际意义如下:

  • 反向截止电压(Vrwm):14V:正常工作状态下反向可承受的最大直流电压,不影响电路功能;
  • 钳位电压(Vc):23.2V:8/20μs标准脉冲下的电压钳位值,确保后端元件电压不超过安全阈值;
  • 峰值脉冲电流(Ipp):8.6A@8/20μs:8/20μs脉冲波形下的最大耐受电流,满足常见ESD脉冲冲击;
  • 击穿电压(Vbr):17.2V:反向击穿起始电压,介于Vrwm与Vc之间,保障脉冲到来时快速响应;
  • 反向漏电流(Ir):1μA:低漏电流设计,对电路功耗影响极小,适合低功耗设备;
  • 峰值脉冲功率(Ppp):1kW:高强度脉冲功率耐受能力,应对极端瞬态过压。

三、机械与封装特性

器件采用SOD-123S表面贴装封装,具备三大核心优势:

  1. 小型化:封装尺寸紧凑(典型值1.6mm×0.8mm×0.6mm),适配高密度PCB布局,节省空间;
  2. 环保与可靠性:无铅无卤封装,符合RoHS标准,焊接兼容性好,适合自动化贴装;
  3. 安装便捷:两端引脚对称,无安装方向要求,简化生产流程。

四、环境适应性与可靠性

SJD12A14L01的环境适应性覆盖极端场景,保障长期稳定运行:

  • 宽温工作范围:-55℃~+150℃,可在工业级低温(-55℃)至高温(+150℃)环境下稳定工作;
  • 抗机械应力:封装结构坚固,可承受焊接热应力及设备使用中的振动冲击;
  • 长期可靠性:经过加速老化测试,生命周期内参数稳定,漏电流无明显漂移。

五、防护性能认证与标准

器件符合IEC 61000-4-2静电放电抗扰度标准,可通过典型测试等级:

  • 接触放电:±8kV(直接接触设备金属部分);
  • 空气放电:±15kV(非接触式静电放电); 满足多数电子设备的静电防护要求,无需额外设计冗余防护。

六、典型应用电路参考

单路防护设计简单,常见应用为并联防护:

  1. 电路连接:反向并联于需要防护的引脚与地(或信号地)之间;
  2. 布局注意:靠近防护引脚放置,减少引线电感(引线电感会降低防护效果);
  3. 适配电压:适合3.3V、5V等中低压电路,避免与Vrwm冲突。

总结

SJD12A14L01凭借低漏电流、高脉冲耐受、宽温适应性及小型化封装,成为中低压电路ESD防护的高性价比选择,广泛适配消费电子、工业控制及汽车电子等领域的单通道防护需求。

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