WMSIC Electronic Components

Leiditech ESDA33CP

ModelESDA33CP
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Leiditech ESDA33CP
Type
LEIDITECH
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
ESDA33CP
Electronic Component
1
Package
DFN1006-2
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.017g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
6pF
Electronic Component
BM0228288906
Voltage
14.1V
Electronic Component
IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
10nA
Voltage(VBR)
5V

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

ESDA33CP 静电与浪涌防护器件产品概述

ESDA33CP是雷卯电子(Leiditech)推出的单路TVS/ESD复合防护器件,专为3.3V系统设计,集成静电放电(ESD)与浪涌(Surge)双重防护能力,具备小封装、低漏电流、低结电容等核心优势,可有效保护敏感电子元件免受瞬态过压冲击,广泛适用于高速接口、便携设备等场景。

一、产品定位与核心功能

ESDA33CP的核心定位是小尺寸、高集成度的瞬态过压防护器件,主要解决电子系统中两类关键干扰问题:

  1. 静电放电(ESD):人体接触、设备摩擦产生的静电脉冲,可能击穿半导体器件;
  2. 浪涌干扰:电源波动、雷击感应或电磁干扰产生的浪涌脉冲,导致电压瞬间升高。

该器件通过"正常低阻、过压导通"的机制工作:正常状态下保持极低漏电流,不影响系统功耗与信号传输;瞬态过压时快速击穿导通,泄放脉冲能量并钳位电压至安全范围,保护后端MCU、传感器、高速接口芯片等敏感元件。

二、关键电气参数解析

ESDA33CP的参数针对3.3V系统优化,核心参数及实际意义如下:

1. 电压与防护阈值

  • 反向截止电压(Vrwm):3.3V:正常工作时器件反向不导通的最大电压,完美匹配3.3V供电系统,避免误触发防护;
  • 击穿电压(Vbr):5V:反向偏置下器件开始击穿的典型电压,是防护启动的关键阈值;
  • 钳位电压(Vc):14.1V:当峰值脉冲电流(Ipp)达11.2A时,器件将电压钳位至14.1V,确保后端电路电压不超安全极限。

2. 脉冲耐受能力

  • 峰值脉冲电流(Ipp):11.2A@8/20us:8/20us(前沿8μs、半峰值20μs)浪涌波形下的最大耐受电流,可应对常见浪涌冲击;
  • 峰值脉冲功率(Ppp):100W@8/20us:对应浪涌波形的最大功率耐受,保障强脉冲下的防护可靠性。

3. 信号完整性与功耗

  • 反向漏电流(Ir):10nA(典型值):正常工作时漏电流极小,不影响系统低功耗设计;
  • 结电容(Cj):6pF:低结电容对高速信号(如USB 3.0、MIPI)的传输延迟与损耗影响极小,保障信号完整性。

三、机械与封装特性

ESDA33CP采用DFN1006-2封装,具备显著空间优势:

  • 尺寸规格:1.0mm×0.6mm×0.4mm(典型值),无引脚设计,节省PCB布局空间;
  • 引脚定义:2引脚(VCC/GND),极性明确(印字端为VCC),焊接简单;
  • 封装优势:DFN封装散热性能优异,适合高密度PCB设计(如便携设备、小型模块)。

四、兼容性与认证

产品符合国际EMC标准,确保防护可靠性:

  • IEC 61000-4-2:静电放电抗扰度,可通过接触放电±8kV、空气放电±15kV(典型测试等级);
  • IEC 61000-4-5:浪涌抗扰度,可耐受线-地、线-线浪涌冲击(如±2kV/±4kV等级)。

上述认证表明ESDA33CP能在实际环境中有效抵御瞬态干扰,满足消费级、工业级设备的防护需求。

五、典型应用场景

ESDA33CP的参数特性使其适用于以下场景:

  1. 高速接口防护:USB 2.0/3.0、HDMI 1.4/2.0、MIPI DSI/LVDS等高速信号接口;
  2. 便携电子设备:智能手机、智能手表、蓝牙耳机等的充电口、数据接口;
  3. 工业控制模块:PLC输入输出端口、传感器节点的过压防护;
  4. 物联网设备:智能门锁、环境传感器等低功耗设备的接口防护。

六、选型与使用注意事项

  1. 系统电压匹配:优先用于3.3V供电系统,避免系统电压超Vrwm(3.3V)导致误导通;
  2. 信号速率考量:结电容6pF适合1Gbps以下高速信号,更高速率需评估信号损耗;
  3. 焊接工艺:采用回流焊工艺,避免手工焊接导致虚焊;
  4. 极性安装:反向安装会导致防护失效,需严格按引脚极性焊接。

综上,ESDA33CP凭借小封装、低电容、3.3V系统适配性及双重防护能力,成为消费电子、工业控制等领域瞬态过压防护的优选器件,可有效提升电子系统的可靠性与抗干扰能力。

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