WMSIC Electronic Components

HXY MOSFET PESD1CAN

ModelPESD1CAN
PackageSOT-23
BrandHXY MOSFET
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET PESD1CAN
Type
HXY MOSFET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
PESD1CAN
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
10pF
Electronic Component
BM0258662272
Voltage
40V
Electronic Component
IEC 61000-4-2
Current(Ir)
500nA

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

PESD1CAN 产品概述

一、产品简介

PESD1CAN(品牌:HXY MOSFET / 华轩阳电子)是一款用于通信接口的单通道双向ESD保护器件,封装为紧凑的SOT-23。器件针对总线和数据线防护设计,具有低结电容(Cj≈10pF)、低漏电流及较高的脉冲能量承受能力,适合用于CAN总线及其它高速差分信号线的静电和浪涌防护。

二、主要电气参数

  • 工作极性:双向(适合差分信号线双向摆幅)
  • 反向额定电压 Vrwm:24V
  • 击穿电压 Vbr:33V(典型)
  • 钳位电压 Vclamp:约40V(峰值钳位)
  • 峰值脉冲电流 Ipp:4A
  • 峰值脉冲功率 Ppp:160W
  • 反向漏电流 Ir:≤500nA
  • 结电容 Cj:约10pF
  • 防护等级/标准:符合 IEC 61000-4-2(ESD)测试要求

三、功能与优势

  • 低结电容(10pF)对高速数据传输影响小,适应CAN等兆比特级别通信需求;
  • 双向钳位结构可在正负方向均提供保护,适合差分总线;
  • 较高的峰值脉冲功率和脉冲电流能力,可承受短时浪涌与静电脉冲;
  • 低漏电流减少对电路静态功耗和偏置影响;
  • SOT-23封装体积小,便于贴片自动化与空间受限设计。

四、典型应用场景

  • 车载CAN总线与车身网络接口保护;
  • 工业现场总线、RS-485、差分信号线的ESD/浪涌保护;
  • 各类I/O端口、连接器和通讯模块输入端防护;
  • 消费电子和通信设备需要兼顾高速信号与抗静电能力的场合。

五、设计与布局建议

  • 器件应尽量靠近外部连接器或保护点焊接,走线短且宽,降低寄生电感;
  • 将器件的接地端通过短且低阻抗的回流路径回到系统共地;
  • 对于高能脉冲场合,可与串联电阻或共模磁珠配合使用,提高系统整体抗扰度;
  • 注意器件靠近热源及波峰焊温度限制,合理设置回流焊工艺参数以保证可靠性。

六、选型与注意事项

PESD1CAN在24V额定工作下为CAN等差分总线提供高效保护。但在面对更高能量的浪涌或长时间过压情形时,应评估系统能量吸收路径,必要时选用更大功率或多级保护方案。SOT-23封装有其热功耗和能量极限,布局与焊接质量直接影响实际保护效果与可靠性。

总结:PESD1CAN是一款针对高速差分通信线设计的紧凑型双向ESD保护器件,兼顾低电容与较高脉冲承受能力,适合车载与工业通信接口的防护设计。

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