WMSIC Electronic Components

PANJIT PJEC24MTA-AU_R1_000A1 PJEC24MTA

ModelPJEC24MTA-AU_R1_000A1
PackageSOT-23
BrandPANJIT
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT PJEC24MTA-AU_R1_000A1
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
PJEC24MTA-AU_R1_000A1
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
11pF
Electronic Component
BM0263674204
Operating Temperature
55℃~+150℃
Voltage
50V
Current(Ir)
50nA
Voltage(VBR)
30.3V

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

PJEC24MTA-AU_R1_000A1 产品概述

一、产品简介

PJEC24MTA-AU_R1_000A1 是强茂(PANJIT)推出的一款双路双向瞬态抑制二极管(TVS),封装为常见的 SOT-23,小体积、易贴片,专为 24V 工作等级的瞬态过压和静电放电(ESD)保护设计。该器件在保护能力、漏电和结电容之间取得平衡,适合工业与通信接口等需要可靠瞬态抑制的场合。

二、主要电气参数

  • 极性:双向(Bidirectional)
  • 反向截止电压 Vrwm:24V
  • 击穿电压 VBR:30.3V
  • 钳位电压(典型):50V
  • 峰值脉冲电流 Ipp:4A @ 8/20μs
  • 反向漏电流 Ir:50nA
  • 结电容 Cj:11pF
  • 通道数:双路(两通道独立保护)
  • 工作温度范围:-55℃ ~ +150℃
  • 封装:SOT-23

以上参数使该器件在 24V 等级系统中对浪涌和短时高压脉冲具有良好的吸收与钳位效果,同时低漏电与中等结电容兼顾静态功耗与信号完整性。

三、典型应用场景

  • 24V 工业控制电源线和继电器驱动回路的浪涌保护
  • 工业以太网、现场总线(如 RS-485/CAN 等)接口的瞬态抑制
  • 通信与信号接口端口的 ESD 与浪涌保护
  • 配套嵌入式系统和工业设备的保护电路,作为靠近输入端或连接器的保护元件

四、封装与 PCB 布局建议

  • 尽量将 PJEC24MTA-AU 放置在被保护器件或连接器的最靠近位置,保护路径短且回流阻抗低。
  • 走线应尽量短、宽,减少串联电感;接地应采用低阻抗的地平面或多条回流通路。
  • SOT-23 封装适合自动化贴装,注意焊盘与热扩散片的焊接可靠性,避免过度回流升温引起应力。
  • 对高速差分信号若对结电容敏感(11pF 为中等值),应评估对信号带宽的影响并酌情选择更低 Cj 的器件或在布局中采取补偿措施。

五、可靠性与环境适应

  • 工作温度覆盖宽泛的工业级范围(-55℃ 至 +150℃),适合苛刻环境下长期使用。
  • 低漏电(50nA)可保证在待机或微弱信号场景下不会产生明显偏流,适合对静态功耗敏感的应用。
  • 建议在实际系统中结合浪涌环境进行可靠性验证(如 IEC 61000-4-5 浪涌测试和实际系统的热循环/振动测试)。

六、选型与注意事项

  • 选型时应确保器件的 Vrwm 高于系统最大工作电压并留有合适裕量;对于接近 24V 的持续工作电压,器件 Vrwm=24V 属于临界值,建议核实系统最大稳态电压与可能的偏差。
  • 钳位电压约 50V,需确认被保护器件能承受该峰值能量和电压短时冲击。
  • 若用于高频数据线或高速接口,留意 11pF 的结电容对信号完整性的影响,必要时对比更低 Cj 器件。
  • 本型号以 SOT-23 小封装提供双路保护,适合空间受限且要求双通道独立保护的场合。

总体而言,PJEC24MTA-AU_R1_000A1 提供了适合 24V 等级工业与通信接口的可靠瞬态抑制能力,封装小巧且电气特性均衡,是工业级保护设计中的优选器件之一。

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