WMSIC Electronic Components

ElecSuper PSD05C-ES PSD05C

ModelPSD05C-ES
PackageSOD-323
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Elec Super PSD05C-ES
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
PSD05C-ES
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.025g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
110pF
Electronic Component
BM0258806372
Operating Temperature
40℃~+125℃
Voltage
22V
Electronic Component
IEC 61000-4-2

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

PSD05C-ES 产品概述

一、产品简介

PSD05C-ES 是 ElecSuper(静芯微)推出的一款单路双向静电放电(ESD)保护器件,采用 SOD-323 小型封装。器件针对接口与信号线的瞬态过压保护设计,能够在高能脉冲冲击下快速钳位,保护后端电路免受损坏;工作温度范围宽(-40℃至+125℃),适应多种环境条件。

二、主要性能参数

  • 极性:双向
  • 反向截止电压 Vrwm:5 V
  • 钳位电压 Vc:22 V(典型)
  • 峰值脉冲电流 Ipp:20 A(单次脉冲)
  • 峰值脉冲功率 Ppp:350 W(10/1000μs 或厂方说明脉宽条件下)
  • 击穿电压 Vbr:6.5 V
  • 反向漏电流 Ir:1 μA(典型)
  • 通道数:单路
  • 工作温度:-40℃ ~ +125℃
  • 防护等级:满足 IEC 61000-4-2(静电放电标准)
  • 类型:ESD 抑制器
  • 结电容 Cj:110 pF(典型)
  • 封装:SOD-323

三、典型应用场景

PSD05C-ES 适合用于各类需要对单根信号线进行双向瞬态保护的场合,包括但不限于:按键/触摸接口、控制信号线、低速串行接口、通用 IO 端口、消费电子、移动设备外围接口、工业控制模块以及需要符合 IEC 61000-4-2 静电防护要求的设备前端防护。

四、封装与 PCB 布局建议

SOD-323 封装体积小,便于高密度 PCB 布局。为获得最佳防护效果,建议器件尽可能靠近受保护的连接器或接口焊装,缩短输入引线长度以降低寄生电感;保护器地端应采用低阻抗接地处理,必要时在保护器附近布置过孔接地,保证回路最短、阻抗最低。

五、设计要点与选型建议

  • Vrwm = 5 V,适合保护 5 V 级别信号线;双向结构适用于信号正负摆幅均可能出现的场合。
  • 钳位电压 22 V 在典型 Ipp 条件下可有效限制瞬变电压,对大多数下游器件提供保护,但对对电压敏感的高速收发器仍需评估容忍度。
  • 结电容 110 pF 比较大,可能影响高速差分或高频信号的信号完整性;若用于 USB 2.0/高速信号通道或差分对,应优先考虑低电容型 TVS。
  • 漏电流 1 μA 较低,适合对静态电流敏感的便携式产品,但在超低功耗待机场景仍需评估总体泄漏预算。
  • 单路设计适合逐条线保护,如需多线保护可并行使用多个器件或选择多路封装产品。

六、典型接法示意

双向 ESD 抑制器通常以两端并联方式连接于信号线与地之间:当信号出现正向或负向瞬变时,器件进入导通钳位状态,将能量快速导入地线,从而保护后级电路。布线时应保证接地回路短且低阻。

总结:PSD05C-ES 提供可靠的单路双向 ESD 防护,适用 5 V 级别接口及一般工业/消费电子环境。选用时应综合考虑钳位电压、结电容与系统信号速率,以确保在满足防护要求的同时不影响信号完整性。

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