WMSIC Electronic Components

Leiditech ULC0542CDNH

ModelULC0542CDNH
PackageDFN1006-2
BrandLeiditech
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

14 specifications

Core information

Product name
Leiditech ULC0542CDNH
Type
LEIDITECH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
ULC0542CDNH
Electronic Component
1
Package
DFN1006-2
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.005g
Electronic Component
1
Electronic Component
BM0265793032
Electronic Component
Electronic Component
Electronic Component
10000

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

ULC0542CDNH 静电浪涌保护器件产品概述

一、核心身份与功能定位

ULC0542CDNH是雷卯电子(Leiditech)推出的集成ESD(静电放电)与浪涌防护的TVS器件,专为电子设备的电磁兼容(EMC)防护设计。其核心作用是:当电路遭遇ESD冲击或浪涌干扰时,快速将异常电压钳位至安全范围,避免后级敏感元器件(如MCU、射频芯片、传感器)损坏;同时在设备正常工作时,不影响信号传输与功耗。

二、关键电气参数深度解析

该器件的参数经过优化,兼顾防护性能与信号完整性,核心参数及实际意义如下:

1. 工作状态参数

  • 反向截止电压(Vrwm):5V
    设备正常工作时,器件反向处于截止状态的最大电压,确保5V及以下工作电压下无额外漏电流,不干扰电路。
  • 反向漏电流(Ir):200nA
    极低漏电流,避免低功耗设备额外耗电,适合电池供电产品。

2. 防护核心参数

  • 钳位电压(Vc):8V
    脉冲干扰时,快速将电压钳位至8V以内(远低于敏感元件损坏阈值),直接保护后级电路。
  • 峰值脉冲功率(Ppp):35W@8/20μs
    支持国际标准8/20μs浪涌波形下35W峰值冲击,且为可恢复型防护(多次冲击无性能衰减)。
  • 击穿电压(Vbr):12V
    反向击穿的典型电压,确保干扰来临时快速响应,无延迟。

3. 信号兼容性参数

  • 结电容(Cj):0.5pF
    低结电容是核心优势,对高频信号(如射频、高速USB)传输损耗极小,不影响信号完整性。

4. 标准合规性

  • 符合IEC 61000-4-2(ESD):覆盖接触放电(±8kV)、空气放电(±15kV);
  • 符合IEC 61000-4-5(浪涌):支持共模/差模干扰抑制,满足行业EMC要求。

三、封装与可靠性设计

1. 小型化封装:DFN1006

  • 尺寸:1.0mm×0.6mm×0.5mm(典型),适合手机、可穿戴等小型设备的高密度布局;
  • 无引脚设计:降低寄生电感/电阻,提升高频性能与散热效率,回流焊兼容性好。

2. 可靠性保障

  • 宽温范围:-55℃~125℃,满足工业级与消费电子环境;
  • 环境测试:经过温度循环、湿度老化等严格测试,多次脉冲冲击后性能无衰减。

四、典型应用场景

ULC0542CDNH的特性使其适配多类设备:

  1. 消费电子:智能手机/手表的Type-C接口、音频接口、射频天线防护;
  2. 通信设备:路由器/交换机的以太网接口、WiFi/蓝牙模块防护;
  3. 工业控制:PLC输入输出端口、传感器节点的浪涌+ESD防护;
  4. 车载电子:车载信息娱乐系统的USB接口、导航模块低压防护(需结合车载级认证)。

五、选型对比优势

相较于同类器件,其核心竞争力包括:

  • 高频适配:0.5pF结电容支持2.4GHz/5GHz射频传输,无信号衰减;
  • 全防护集成:同时覆盖ESD与浪涌,减少器件数量,简化电路;
  • 品牌可靠性:雷卯电子作为国内防护龙头,产品经大量市场验证,售后完善。

总结

ULC0542CDNH是一款高性价比防护器件,兼顾小型化、高频兼容与全防护能力,可有效提升电子设备的抗干扰性与可靠性,适用于从消费电子到工业控制的多领域设计。

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