WMSIC Electronic Components

Slkor SLESDPSA0402V05

ModelSLESDPSA0402V05
Package0402
BrandSLKOR
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
Slkor SLESDPSA0402V05
Type
SLKOR
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
SLESDPSA0402V05
Electronic Component
1
Package
0402
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.05pF
Electronic Component
BM0228146958
Operating Temperature
55℃~+125℃
Voltage
40V
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.

SLESDPSA0402V05 产品概述

一、产品简介

SLESDPSA0402V05 是 Slkor(萨科微)推出的一款 0402 封装的单路双向 ESD 抑制二极管。器件专为对敏感信号线提供瞬态过压和静电放电(ESD)防护而设计,具有极低结电容和宽温度范围,适用于空间受限且对信号完整性要求高的电子产品。

二、主要技术参数

  • 型号:SLESDPSA0402V05
  • 极性:双向
  • 工作电压(Vrwm):5 V(额定反向截止/稳压电压)
  • 钳位电压(Vclamp):40 V
  • 反向电流(Ir):10 nA(在 Vrwm 条件下)
  • 通道数:单路
  • 结电容(Cj):0.05 pF(极低电容,利于高速信号)
  • 工作温度:-55 ℃ ~ +125 ℃
  • 防护标准:符合 IEC 61000-4-2(静电放电防护)
  • 封装:0402(微型表面贴装)

三、核心特性与优势

  • 极低结电容(0.05 pF):对高速差分信号和高频接口的影响极小,保持信号完整性,适合用于 USB、HDMI、PCIe、SATA 等高速通道。
  • 双向保护:可在正负瞬态电压下工作,适用于双向数据线、差分对或对地电平不稳定的接口。
  • 小型 0402 封装:适合高密度 PCB 布局和空间受限的便携式设备、可穿戴设备及紧凑型模组。
  • 宽温度与可靠性:-55 ℃ 至 +125 ℃ 的工作范围,适应工业级及部分汽车电子环境(视系统认证要求)。
  • 低漏电流(10 nA):有助于降低待机功耗,适合电池供电和低功耗系统。

四、典型应用场景

  • 移动终端、平板与笔记本的接口保护(USB、耳机、充电口)
  • 网络设备、交换机的信号线防护
  • 摄像头模组、传感器接口及 IoT 设备的静电防护
  • 工业控制与医疗电子中对信号完整性有要求的输入/输出口

五、封装与焊接建议

  • 0402 标准封装尺寸利于高密度贴装,建议采用标准无铅回流焊工艺(请遵循 Slkor 提供的回流曲线)。
  • 焊盘设计与锡膏量需控制,避免过多锡膏造成浮高或桥连;贴片位置建议尽量靠近被保护的连接器或引脚,以减少 PCB 走线对 ESD 能量的耦合。
  • 采用良好的接地平面与多个过孔接地,有助于快速泄放 ESD 能量至地。

六、选型与使用注意事项

  • 钳位电压 40 V 较高,应确认系统在钳位时所承受的应力对下游器件是否安全;在必要时可配合串联阻抗或限流元件使用。
  • 双向器件适用于对称信号线,如纯单向电源线应选择单向 TVS。
  • 注意 PCB 布局中的寄生电感与走线长度,长走线会降低保护效果。
  • 在有严格认证要求(如汽车 ISO 10605 / IEC 61000-4-5)场合,按系统级测试结果确认合适性。

七、可靠性与认证

SLESDPSA0402V05 设计符合 IEC 61000-4-2 静电放电防护要求,并在宽温度范围内稳定工作。实际产品选型时建议结合系统级可靠性测试(如温度循环、振动、长期寿命测试)以验证在目标应用中的长期可靠性。

结语:SLESDPSA0402V05 以其极低电容、微小封装与工业级温度范围,适合对空间和信号完整性有严格要求的现代电子产品,为高密度、低功耗系统提供高效的 ESD 防护解决方案。若需器件 datasheet、封装图或推荐焊接曲线,可向 Slkor 技术支持索取进一步资料。

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