WMSIC Electronic Components

FUXINSEMI PESD12VL1BA

ModelPESD12VL1BA
PackageSOD-323
BrandFUXINSEMI
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
FUXINSEMI PESD12VL1BA
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
PESD12VL1BA
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
25pF
Electronic Component
BM0265669346
Operating Temperature
55℃~+125℃
Voltage
30V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2

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

PESD12VL1BA 瞬态抑制二极管产品概述

一、产品定位与核心价值

PESD12VL1BA是富芯森美(FUXINSEMI)推出的双向瞬态抑制二极管(ESD防护器件),专为敏感电子电路的静电放电(ESD)和瞬态过压防护设计。其核心价值在于以极小封装体积,实现可靠的过压防护能力,同时兼顾低电容、低漏电流特性,适配高速信号传输场景,满足工业级宽温环境需求,是消费电子、工业控制、汽车电子等领域的高性价比防护方案。

二、关键性能参数解析

1. 极性与截止电压

  • 双向极性:可同时抑制正负瞬态脉冲,无需额外电路匹配,简化防护方案;
  • 反向截止电压(Vrwm)12V:确保器件在电路正常工作电压(≤12V)下处于截止状态,不干扰电路功能。

2. 钳位与响应特性

  • 击穿电压(Vbr)17.5V(典型值):过压超过17.5V时快速击穿导通,响应时间≤1ns(ESD防护器件典型值);
  • 钳位电压(Vc)30V(10A脉冲下):将瞬态过压限制在安全范围,保护后端IC、传感器等敏感元件。

3. 脉冲承载能力

  • 峰值脉冲电流(Ipp)10A(8/20μs波形);
  • 峰值脉冲功率(Ppp)300W:满足常见瞬态浪涌(ESD、EFT)防护需求,覆盖多数电子设备的恶劣环境测试要求。

4. 电气损耗与兼容性

  • 反向漏电流(Ir)200nA(Vr=12V):低漏电流降低电路功耗,适配低功耗设备;
  • 结电容(Cj)25pF:低电容特性适配高速信号接口(USB、I2C、SPI),避免信号衰减或延迟。

5. 环境适应性

  • 工作温度-55℃~+125℃:覆盖工业级环境(汽车电子、户外设备)和消费电子宽温场景,长期稳定性可靠。

三、封装与可靠性设计

1. 小型化封装

采用SOD-323封装(0402贴片尺寸,约1.6mm×0.8mm×0.6mm),体积小巧,适合高密度PCB布局(如智能手机、可穿戴设备),不占用额外空间。

2. 可靠性保障

  • 无铅无卤设计:符合RoHS环保标准,适配绿色电子制造;
  • 焊接兼容性:支持回流焊、波峰焊等常规贴片工艺,焊接温度满足工业级要求(回流焊峰值≤260℃,时间≤30s);
  • 宽温稳定性:-55℃~+125℃范围内参数漂移小,确保设备长期可靠运行。

四、防护标准与兼容性

PESD12VL1BA通过以下国际标准测试,防护能力可靠:

  • IEC 61000-4-2(ESD):可承受接触放电±8kV、空气放电±15kV(典型测试结果);
  • IEC 61000-4-4(EFT):抑制电快速瞬变脉冲群冲击,适配设备抗干扰需求;
  • 接口兼容性:可并联于信号端口(USB、HDMI)、电源端口(电池、充电口),不影响信号传输质量。

五、典型应用场景

  1. 消费电子:智能手机、平板的USB接口、充电端口ESD防护;
  2. 工业控制:PLC I/O接口、工业传感器(温度/压力)的过压防护;
  3. 汽车电子:车载显示屏、CAN/LIN总线接口的宽温环境防护;
  4. 通信设备:路由器、交换机信号端口的ESD防护。

六、选型与使用注意事项

  1. 电压匹配:电路正常工作电压需≤12V,避免器件误导通;
  2. 布局建议:器件靠近防护端口(连接器引脚),缩短走线减少寄生电感;
  3. 并联应用:双向器件并联于“信号端-地”或“电源端-地”之间,无需区分正负极;
  4. 焊接规范:遵循SOD-323封装焊接曲线,避免过温损坏。

总结:PESD12VL1BA凭借双向防护、低电容、宽温特性和小型化封装,成为敏感电子电路ESD/瞬态过压防护的优选方案,适配多行业应用需求。

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