WMSIC Electronic Components

Prisemi PTVSHC2EN5VU

ModelPTVSHC2EN5VU
PackageDFN1610-2
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 PTVSHC2EN5VU
Type
PRISEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PTVSHC2EN5VU
Electronic Component
1
Package
DFN1610-2
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.03g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
1nF
Electronic Component
BM0265166881
Voltage
8V
Electronic Component
IEC 61000-4-5
Current(Ir)
2uA

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

PTVSHC2EN5VU ESD防护器件产品概述

一、产品定位与核心功能

PTVSHC2EN5VU是芯导(Prisemi)推出的单路单向ESD防护二极管,针对5V及以下低电压电路的静电放电(ESD)与浪涌防护需求设计。其核心价值在于:在不干扰电路正常工作的前提下,快速吸收ESD脉冲和浪涌能量,将后级敏感元器件(如MCU、传感器、电源管理IC)的电压钳位在安全阈值内,避免因静电或浪涌导致的器件损坏。

二、关键参数深度解析

产品参数直接决定防护性能与应用适配性,以下为核心参数的实际意义:

1. 电压特性

  • 反向截止电压(Vrwm=5V):正常工作时,器件反向偏置电压不得超过5V,保证处于截止状态(无电流通过),不干扰电路信号/电源传输。
  • 击穿电压(Vbr=7V):反向偏置电压超过7V时,器件快速击穿导通,为ESD/浪涌提供泄放路径,略高于工作电压的设计确保防护可靠性。
  • 钳位电压(Vc=8V):ESD或浪涌脉冲到来时,器件将电压钳位在8V以内——远低于一般IC的耐压阈值(通常10V以上),有效避免后级器件损坏。

2. 电流与电容特性

  • 反向漏电流(Ir=2uA):反向截止时的漏电流极小,可忽略不计,不增加电路静态功耗,适配低功耗产品(如可穿戴设备)。
  • 结电容(Cj=1000pF):该参数决定器件对信号的影响程度——适合中低频信号路径(如电源、音频、低速数字信号),但不建议用于高频射频信号(如WiFi、蓝牙射频),避免信号衰减或失真。

3. 防护能力

  • 符合IEC 61000-4-5浪涌标准:可承受1.2/50μs浪涌脉冲冲击(工业级防护要求);
  • 单路通道设计:适配单端信号/电源的防护需求,避免多通道器件的冗余设计。

三、封装与可靠性设计

PTVSHC2EN5VU采用DFN1610-2封装,具备以下优势:

  • 超小体积:尺寸仅1.6mm×1.0mm×0.5mm,比常规SOT-23封装小约70%,适配智能手环、蓝牙耳机等高密度设计产品;
  • 焊接可靠性:表面贴装工艺兼容主流回流焊、波峰焊设备,焊接温度(峰值≤260℃)与时间(≤30秒)符合行业规范;
  • 宽温稳定性:采用高性能半导体材料,漏电流随温度变化小,适配-40℃~85℃的工业级宽温环境。

四、典型应用场景

结合参数特性,该器件主要应用于以下场景:

1. 低电压电源端口

  • 5V USB Type-C充电接口、移动电源输出端口、智能设备(手表/手环)充电座;
  • 防护静电对电源管理IC、电池保护电路的冲击。

2. 中低频信号接口

  • 音频耳机接口、麦克风输入、低速数字传感器(温度/湿度传感器)接口;
  • 既实现ESD防护,又不影响中低频信号传输。

3. 小型消费电子与工业模块

  • 智能手环、蓝牙耳机、智能手表的内部低电压电路(MCU供电、传感器供电);
  • 工业PLC的低电压输入输出端口、小型IoT传感器节点。

五、应用注意事项

为确保防护效果与器件寿命,需注意以下要点:

  1. 电压限制:电路工作时反向偏置电压不得超过5V,否则漏电流会显著增加;
  2. 频率适配:不建议用于频率>10MHz的信号路径(如射频信号),避免信号完整性问题;
  3. 极性识别:单向防护器件,需参考 datasheet确认引脚极性(通常DFN1610-2引脚1为阴极、引脚2为阳极),接反会导致防护失效;
  4. 焊接规范:遵循DFN封装焊接要求,避免热应力损坏器件。

六、总结

PTVSHC2EN5VU是芯导针对5V低电压电路打造的高性价比ESD防护器件,以小体积、低功耗、可靠防护为核心优势,广泛适配消费电子、可穿戴设备、工业控制等领域的低电压电路防护需求,是替代传统TVS管的理想选择。

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