WMSIC Electronic Components

Prisemi PTVSHC1TF24VU

ModelPTVSHC1TF24VU
PackageSOD-123FL
BrandPRISEMI
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
Prisemi PTVSHC1TF24VU
Type
PRISEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PTVSHC1TF24VU
Electronic Component
1
Package
SOD-123FL
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.04g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
590pF
Electronic Component
BM0265166875
Voltage
33V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
29V

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

Prisemi芯导PTVSHC1TF24VU瞬态抑制二极管(TVS)产品概述

一、产品定位与核心属性

PTVSHC1TF24VU是芯导(Prisemi)推出的单路瞬态抑制二极管(TVS),属于过压防护器件范畴,核心作用是在电路遭受瞬态浪涌(如静电放电、电快速瞬变脉冲群、雷击感应浪涌等)时,快速将电压钳位至安全范围,保护后级敏感电子元件(如MCU、传感器、电源芯片等)免受损坏。该器件针对24V级低压系统优化,兼具高脉冲承受能力与小型化封装设计,适配多种工业、消费电子场景的防护需求。

二、关键电气参数深度解析

TVS的防护能力核心取决于电气参数的匹配性,PTVSHC1TF24VU的关键参数可从防护阈值、承受能力、截止特性三个维度解析:

1. 防护阈值(核心保护边界)

  • 反向截止电压(Vrwm):24V
    表示器件在正常工作状态下反向可承受的最大电压——若电路正常工作电压≤24V,器件处于截止状态,不影响电路正常运行;若超过24V,器件将提前导通,因此需确保系统工作电压不突破此值。
  • 击穿电压(Vbr):29V(典型值)
    反向电压超过此值时,器件开始反向击穿,进入低阻态,为浪涌电流提供泄放通道。
  • 钳位电压(Vc):33V
    浪涌发生时,器件将电路电压钳位在33V以下,是保护后级元件的核心阈值(需确保后级元件的最大耐压≥33V)。

2. 脉冲承受能力(抗干扰强度)

  • 峰值脉冲电流(Ipp):150A@8/20μs
    8/20μs是国际通用的浪涌电流波形标准(电流从0上升到峰值需8μs,下降到峰值的50%需20μs),150A的峰值电流表明器件可承受较强的浪涌冲击(如工业环境中电机启停产生的大电流脉冲)。
  • 峰值脉冲功率(Ppp):6kW@8/20μs
    是Ipp与Vc的乘积(近似值),直接反映器件的脉冲功率防护能力,6kW的指标可覆盖多数工业级浪涌场景。

3. 截止特性与寄生参数

  • 反向漏电流(Ir):1μA(典型值)
    反向截止时的漏电流极小,几乎不影响电路正常功耗,适合低功耗系统设计。
  • 结电容(Cj):590pF(典型值)
    结电容是TVS的重要寄生参数,590pF的数值表明该器件不适用于高速信号路径(如USB3.0、HDMI等高频高速总线),但适配电源线路、低速I/O口等场景。

三、封装设计与可靠性

PTVSHC1TF24VU采用SOD-123FL表面贴装封装,该封装具有以下优势:

  • 小型化:封装尺寸紧凑(典型尺寸约1.6mm×0.8mm×0.7mm),适配小型化电路设计(如便携式设备、紧凑电源模块);
  • 工艺兼容性:贴片式设计支持自动化贴装,提高生产效率;
  • 散热适配:虽为小封装,但脉冲功率(6kW)为瞬时值,持续功耗极低,封装散热可满足防护需求。

四、防护标准与合规性

该器件通过IEC 61000-4-4(电快速瞬变脉冲群EFT) 和 IEC 61000-4-2(静电放电ESD) 标准认证,可有效应对:

  • EFT干扰:工业环境中常见的快速脉冲群(如电机启停、开关切换产生的干扰);
  • ESD干扰:人体接触或设备间放电产生的静电冲击(符合接触放电8kV、空气放电15kV等常见等级要求)。

五、典型应用场景

结合参数特性,PTVSHC1TF24VU主要适用于以下场景:

  1. 24V低压电源系统防护:如工业控制电源模块、智能家居设备电源、小型通信电源的输入/输出端浪涌防护;
  2. 低速I/O口防护:如PLC(可编程逻辑控制器)的数字输入/输出口、传感器接口、继电器控制口等低速信号路径;
  3. 消费电子辅助防护:如24V适配器输出端、车载低压附件(非汽车级但适配12/24V系统)的过压防护。

注意:因结电容(590pF)较大,禁止用于高速信号路径(如高频射频信号、高速数据总线),否则会导致信号完整性下降。

六、选型参考价值

对于需要防护24V系统的设计工程师,PTVSHC1TF24VU具有以下选型优势:

  • 国产替代:芯导作为国内知名防护器件厂商,产品可替代部分进口TVS器件,降低采购成本;
  • 参数匹配:24V Vrwm与150A Ipp的组合,精准适配24V系统的浪涌防护需求;
  • 小型化封装:SOD-123FL封装满足紧凑设计要求,适配高密度PCB布局。

总结:PTVSHC1TF24VU是一款针对24V低压系统优化的高性价比单路TVS,兼具强脉冲承受能力与小型化设计,可有效防护常见浪涌干扰,适用于工业、消费电子等多领域的低压电路防护场景。

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