WMSIC Electronic Components

ElecSuper PESD2CANFD24L-TR-ES PESD2CANFD24L

ModelPESD2CANFD24L-TR-ES
PackageSOT-23
BrandElec Super
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
Elec Super PESD2CANFD24L-TR-ES
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
PESD2CANFD24L-TR-ES
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.031g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
18pF
Electronic Component
BM0265835181
Voltage
42V
Electronic Component
IEC 61000-4-2
Current(Ir)
100nA

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

ElecSuper(静芯微)PESD2CANFD24L-TR-ES ESD防护器件产品概述

一、产品定位与核心应用

PESD2CANFD24L-TR-ES是ElecSuper(静芯微)针对CAN FD总线优化的双向ESD防护器件,聚焦解决工业、汽车等场景下CAN FD总线的静电放电(ESD)、电快速瞬变脉冲群(EFT)及浪涌干扰问题,保障总线通信的稳定性与可靠性。作为双路防护器件,其直接适配CAN_H和CAN_L两根总线,无需额外并联多只防护元件,简化电路设计的同时提升防护效率。

二、关键性能参数解析

该器件的核心参数精准匹配CAN FD总线的工作特性,具体解析如下:

  1. 电压匹配与导通特性:反向截止电压(Vrwm)24V,覆盖CAN FD总线常用工作电压范围(0~24V);击穿电压28V,确保总线正常工作时器件处于截止状态,不干扰信号传输;瞬态脉冲到来时快速导通,将电压钳位至42V以下(远低于CAN收发器典型耐压50V),有效保护后端电路。
  2. 脉冲耐受能力:峰值脉冲电流(Ipp)8A,峰值脉冲功率(Ppp)340W@8/20μs(浪涌波形),可覆盖IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)及IEC 61000-4-5(浪涌)等标准下的常见干扰脉冲。
  3. 信号完整性保障:结电容(Cj)仅18pF,满足CAN FD总线5Mbps及以上高速通信的信号完整性要求,避免电容过大导致的信号反射、衰减;反向漏电流(Ir)100nA,极小漏电流不消耗总线电流或影响通信协议交互。
  4. 通道与封装:双路独立通道直接对应CAN_H和CAN_L总线;采用SOT-23小型封装(2.9mm×1.6mm×1.1mm),适配高密度PCB设计。

三、防护能力与标准符合性

该器件完全符合IEC 61000-4-2标准,ESD防护等级达到:

  • 接触放电:±8kV(人体模型HBM)
  • 空气放电:±15kV

同时,340W@8/20μs的浪涌耐受能力可应对±2kV/5kHz的EFT干扰,有效抑制总线瞬态过压对收发器、MCU等核心器件的损坏风险,满足工业级及汽车级设备的电磁兼容要求。

四、封装与可靠性设计

  1. 封装特性:SOT-23封装采用无铅工艺,符合RoHS环保标准,兼容回流焊、波峰焊等常规焊接工艺,焊接可靠性高;小体积设计适合车载电子、工业PLC、智能传感器等小型化设备。
  2. 环境适应性:支持工业级温度范围(-40℃~+85℃),可在极端温度环境下稳定工作,满足户外工业控制、车载低温/高温场景需求;器件长期工作无性能衰减,漏电流、结电容等参数保持稳定。

五、典型应用场景拓展

该器件广泛适用于需要CAN FD总线防护的场景:

  1. 工业自动化:PLC控制器、伺服驱动器、工业机器人的CAN FD总线接口防护;
  2. 汽车电子:车载CAN FD网络(ADAS系统、车身控制单元BCM)、OBD诊断接口的静电防护;
  3. 物联网网关:带CAN FD接口的工业物联网网关、边缘计算节点的总线防护;
  4. 智能楼宇:楼宇自动化系统中CAN FD通信的传感器、控制器节点防护。

六、选型与使用注意事项

  1. 电路连接:并联在CAN_H-GND、CAN_L-GND之间(双路通道分别对应两根总线),无需额外串联电阻;
  2. 电压范围:确保总线工作电压不超过24V(Vrwm),避免器件长期导通;
  3. 速率适配:18pF结电容适合5Mbps及以下CAN FD通信,更高速率需结合信号完整性仿真确认;
  4. 焊接规范:遵循SOT-23封装焊接温度曲线,避免过温导致性能下降。

PESD2CANFD24L-TR-ES凭借精准的CAN FD总线适配性、强抗干扰能力及小体积设计,成为工业、汽车等领域CAN FD总线防护的优选器件。

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