WMSIC Electronic Components

UMW RCLAMP3321P

ModelRCLAMP3321P
PackageX1-DFN1006-2
BrandUMW
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
UMW RCLAMP3321P
Type
UMW
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
RCLAMP3321P
Electronic Component
1
Package
X1-DFN1006-2
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
0.35pF
Electronic Component
BM0265604387
Voltage
13V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
10nA

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

UMW RCLAMP3321P 单路双向ESD防护器件产品概述

一、产品定位与核心价值

UMW RCLAMP3321P是一款专为低功耗、高速信号电路设计的单路双向ESD(静电放电)防护器件,核心作用是在不干扰电路正常工作的前提下,有效抑制静电放电、电快速瞬变脉冲群(EFT)等瞬态干扰,保护后端敏感电子元件(如MCU、传感器、通信接口芯片等)免受损坏。该器件适配3.3V供电系统,符合IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)国际电磁兼容标准,可广泛应用于消费电子、物联网、工业控制等领域。

二、关键电气参数及实际意义

该器件的电气参数经过优化,兼顾防护性能与电路兼容性,核心参数解析如下:

  1. 双向极性设计:可同时防护正、负方向的瞬态干扰,无需区分信号方向,简化电路设计(如I2C、SPI等双向传输总线的单路防护)。
  2. 3.3V反向截止电压(Vrwm):正常工作时器件处于截止状态,不影响3.3V系统的信号传输与供电稳定性,避免漏电流干扰电路。
  3. 13V钳位电压:当瞬态干扰(如ESD)超过击穿电压时,器件快速导通,将线路电压钳位在13V以下(远低于后端芯片耐压阈值),有效保护敏感元件。
  4. 3A峰值脉冲电流(Ipp)@8/20us:8/20us是国际标准浪涌波形(模拟雷电或静电放电的快速脉冲),3A承受能力可应对人体放电模型(HBM)、机器放电模型(MM)等常见ESD场景的电流冲击。
  5. 0.35pF低结电容(Cj):结电容是影响信号完整性的关键参数,0.35pF的低电容设计可适配100Mbps以下高速信号(如USB 2.0、I2C 400kHz),避免信号反射、失真,保证数据传输质量。
  6. 10nA反向漏电流(Ir):正常工作时漏电流极小,几乎不增加系统功耗,尤其适合电池供电的便携设备(如智能手环、蓝牙耳机),延长待机时间。
  7. 7V击穿电压:介于工作电压(3.3V)与钳位电压(13V)之间,确保器件正常工作时不导通,瞬态干扰到来时快速响应,防护效率高。

三、封装与可靠性

UMW RCLAMP3321P采用SLP1006P2超小型表面贴装封装,尺寸紧凑(典型值1.0mm×0.6mm×0.5mm),适合高密度PCB布局,可节省电路板空间,适配小型化、轻薄化产品设计(如智能手机、可穿戴设备)。

该器件通过IEC 61000-4-2(接触放电±8kV、空气放电±15kV)与IEC 61000-4-4(EFT 4kV/5kHz)测试,可靠性符合工业级标准,可在**-40℃至+85℃宽温度范围**内稳定工作,满足不同应用场景的环境需求。

四、典型应用场景

结合参数特点,RCLAMP3321P的典型应用包括:

  • 消费电子:智能手机/平板电脑的充电接口、耳机接口、按键电路、摄像头信号线路;
  • 物联网设备:温湿度传感器、运动传感器(加速度计、陀螺仪)的信号接口,低功耗蓝牙(BLE)模块的天线接口;
  • 工业控制:PLC的数字输入/输出口、RS485低速通信接口、传感器节点的信号线路;
  • 可穿戴设备:智能手环、智能手表的传感器(心率、血氧)接口、按键电路;
  • 医疗设备:低功耗监护设备的信号采集线路、按键控制接口。

五、产品优势总结

  1. 兼容性强:双向防护适配各类信号方向,3.3V工作电压覆盖主流低功耗系统;
  2. 信号保真度高:0.35pF低结电容不影响高速信号传输;
  3. 低功耗设计:10nA漏电流不增加系统待机功耗;
  4. 高可靠性:符合国际EMC标准,宽温工作范围;
  5. 小尺寸适配:超小型封装适合高密度PCB设计。

UMW RCLAMP3321P凭借平衡的防护性能与电路兼容性,成为3.3V系统中敏感信号线路的理想ESD防护方案。

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