WMSIC Electronic Components

TECH PUBLIC PESD12VL1BA

ModelPESD12VL1BA
PackageSOD-323
BrandTECH PUBLIC
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
TECH PUBLIC PESD12VL1BA
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
PESD12VL1BA
Electronic Component
1
Package
SOD-323
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.053g
Electronic Component
1
Cj- Capacitor
35pF
Electronic Component
BM0227776274
Operating Temperature
55℃~+125℃
Voltage
24V
Current(Ir)
500nA
Voltage(VBR)
13.3V
Electronic Component
Electronic Component
Electronic Component
3000

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

PESD12VL1BA 产品概述

一、产品简介

PESD12VL1BA 是 TECH PUBLIC(台舟电子)推出的一款小封装、低漏电、高可靠性的瞬态电压抑制(TVS)/静电放电(ESD)保护器件,封装为 SOD-323。器件以 12V 工作电压(Vrwm)为设计目标,能够在工业和汽车等环境下对电源线与信号线提供有效的瞬态浪涌及静电冲击保护。器件可在-55℃ 至 +125℃ 的宽温范围内工作,适合恶劣环境下长期稳定运行。

二、主要性能参数

  • 钳位电压(VC):24V(典型)
  • 工作温度:-55℃ ~ +125℃
  • 击穿电压(Vbr):13.3V
  • 反向截止电压(Vrwm):12V
  • 峰值脉冲功率(Ppp):300W(8/20µs)
  • 峰值脉冲电流(Ipp):15A(8/20µs)
  • 结电容(Cj):35pF
  • 反向电流(Ir):500nA(通常在 Vrwm 条件下)

以上参数表明该器件在承受标称 8/20µs 浪涌冲击时,能提供高达 300W 的吸收能力,峰值电流可到 15A,同时在正常工作电压下漏电小,适合对 12V 级别的电源或信号线提供保护。

三、功能与特点

  • 针对 12V 级系统优化的稳压/击穿点,适配常见车载与工业供电场景。
  • 高能量吸收能力(300W@8/20µs),可以缓冲常见的浪涌与突然过压事件。
  • 低漏电(Ir ≈ 500nA),对待机功耗影响极小。
  • 中等结电容(35pF),对某些高速信号线路有影响,适合对速度要求不极端的数/模信号或电源线保护。
  • 小型 SOD-323 封装,便于表面贴装、节省 PCB 面积,适合空间受限应用。
  • 宽温度范围,满足严苛环境可靠性要求。

四、典型应用场景

  • 车载电子:车内 12V 电源总线、点烟器、车载娱乐系统接口等(建议评估是否需汽车A级认证)。
  • 工业控制:传感器电源线、控制信号线、I/O 端口的浪涌与静电保护。
  • 通信与消费电子:电源输入、接口保护(但需考虑 35pF 电容对高速信号的影响)。
  • 电源管理模块与接口保护电路:在电源输入处作为第一道浪涌保护器件。

五、PCB 设计与使用建议

  • 尽量将 TVS 器件靠近被保护端(例如连接器或引脚)布局,缩短受保护线到器件的走线长度,以减少感性串扰与寄生电阻。
  • 将器件接地端直接焊接到连续的接地平面或通过短、粗的走线和地铜皮连接,尽可能少用长走线或多个 via。
  • 对于双向或反向保护应用,请确认器件连接极性(本器件以 12V Vrwm 设计,按单向/双向电路要求连接)。
  • 对于高速信号(USB、HDMI、LVDS 等),需评估 35pF 结电容对信号完整性的影响,必要时选择低电容型 TVS 器件或在多个阶段做级联保护。
  • 考虑散热与能量吸收能力:在预计大能量冲击频繁的应用中,需评估器件温升与重复冲击能力并做裕量设计。

六、注意事项与可靠性

  • 峰值能量能力以 8/20µs 波形为规范。若系统可能遭受不同波形(如 10/1000µs)或连续多次冲击,需参照厂方资料进行降额或选用更高能量等级器件。
  • 器件工作时请确保不超过指定工作温度范围与最大功率吸收能力,避免长期处在极限工况下导致失效。
  • SOD-323 为小型封装,焊接时需遵循标准回流曲线与焊接工艺,避免过热或机械应力导致可靠性问题。
  • 在关键或安全相关系统中,建议配合熔断器、限流电阻或多级浪涌保护方案提升总体可靠性。

七、封装与选型信息

  • 品牌:TECH PUBLIC(台舟电子)
  • 型号:PESD12VL1BA
  • 封装:SOD-323(表面贴装)
  • 在选型时请核对实际应用的电压等级、冲击波形与信号速率,并与替代或更高规格产品做对比,确保满足长期可靠性要求。

总结:PESD12VL1BA 以其针对 12V 等级的工作电压、300W 的瞬态吸收能力和小型 SOD-323 封装,为需要在受限空间内实现稳健浪涌/静电防护的电源与通用信号线路提供了一个性价比较高的解决方案。选择与布局时需关注结电容对信号的影响与实际冲击工况下的能量余量。若需更详细的封装尺寸、回流曲线或完整电气特性,请参考厂方 Datasheet。

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