WMSIC Electronic Components

Littelfuse PESD0402-140 PESD0402

Littelfuse PESD0402-140 PESD0402
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Product image

ModelPESD0402-140
Package0402
BrandLittelfuse
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+

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Technical data

Product details

20 specifications

Core information

Product name
Littelfuse PESD0402-140
Type
LITTELFUSE
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
LITTELFUSE
Electronic Component
PESD0402-140
Electronic Component
1
Package
0402
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.014g
Electronic Component
1
Cj- Capacitor
0.25pF
Electronic Component
BM0000285386
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.

PESD0402-140 产品概述

一、产品简介

PESD0402-140是一款由美国力特（Littelfuse）公司设计制造的双向瞬态电压抑制二极管（TVS二极管），旨在提供有效的电源线路保护尤其是在高频电子应用环境中。其优异的极性及反相特性使其成为以太网和HDMI接口等高速传输线路的理想选择。PESD0402-140的封装采用0402（1005公制），适合表面贴装，极大地便利了现代电子设备的小型化与重量减轻。

二、技术参数

PESD0402-140的主要技术参数如下：

  • 极性：双向（Bidirectional），适用于交流及直流电路中的过电压保护。
  • 箝位电压：40V，能够有效限制高于这一电压的瞬态过电压到达敏感电路。
  • 反向关断电压（典型值）：14V（最大值），在使用调压和过压保护时保持良好的稳定性。
  • 工作温度范围：-55°C至125°C，适应各种严苛的环境条件。
  • 封装类型：0402（1005公制），紧凑型设计，使其可以在空间受限的电路板上轻松集成。

三、应用场景

PESD0402-140的设计使其非常适合多种电子电路应用，尤其是在数据通信和电力常常受到瞬态干扰的情况下。以下是其主要应用场景：

  1. 以太网接口：在高速网络通信中，以太网接口经常面临雷击或电源管理故障导致的过电压，PESD0402-140能够快速反应并有效抑制这些瞬态电压，保护网络设备的安全。

  2. HDMI接口：HDMI传输视频和音频信号，要求信号质量高且稳定。PESD0402-140的低箝位电压和良好的双向特性能够保证在高电压突发事件时不对信号传输造成影响，同时保护HDMI接口的传输完整性。

  3. 其他高频应用：在消费电子、工业设计及汽车电子等领域，PESD0402-140均可部署用于保护敏感设备免受电源线路、电压突波的干扰，延长元器件的使用寿命。

四、性能优势

  1. 快速响应时间：PESD0402-140具有极快的响应时间，能够在微秒级甚至更短的时间内有效抑制瞬态电压，防止电路损坏。

  2. 小型化设计：0402的封装尺寸使得其在有限的空间内仍可集成，适应现代电子产品对小型化、集成化的需求。

  3. 高温性能：广泛的工作温度范围确保其在极端环境下依然可靠运行，适合各种工业和消费电子领域的应用。

  4. 双向特性：双向特性使得其能够在多种电路配置中使用，无需担心电路的极性问题。

五、总结

PESD0402-140作为一款高性能的瞬态电压抑制二极管，凭借其双向保护、高速响应及优异的稳定性在市场上占有重要地位。其广泛的应用范围以及对频繁瞬态电压的保护功能，让其在以太网、HDMI等高速数字接口的使用中表现出色，是实现电路保护及增强设备可靠性的理想工具。在电子元器件日益小型化、功能化的趋势下，PESD0402-140无疑是提高设备抗干扰能力的有效解决方案。

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