WMSIC Electronic Components

SEMTECH RCLAMP2451ZATFT

ModelRCLAMP2451ZATFT
Package0201
BrandSEMTECH
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 22+

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Technical data

Product details

20 specifications

Core information

Product name
SEMTECH RCLAMP2451ZATFT
Type
SEMTECH
Unit
Electronic Component
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
SEMTECH
Electronic Component
RCLAMP2451ZATFT
Electronic Component
1
Package
0201
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.35pF
Electronic Component
BM0230872118
Voltage
8V
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.

RCLAMP2451ZATFT TVS二极管产品概述

一、产品核心定位

SEMTECH RCLAMP2451ZATFT是一款专为低电压电路ESD(静电放电)与EOS(电过应力)防护设计的小型化双向TVS二极管。该器件以0201超小型贴片封装为核心优势,兼顾高密度PCB设计需求与高速信号完整性,广泛适配移动终端、可穿戴设备、物联网节点等对空间和性能要求严苛的应用场景,是低电压接口防护的理想选择。

二、关键电性能参数解析

RCLAMP2451ZATFT的参数精准匹配低电压防护场景,核心指标及意义如下:

  1. 防护能力核心指标

    • 反向截止电压(Vrwm)24V:确保正常工作电压下器件处于截止状态,不干扰电路;
    • 钳位电压8V(8/20μs脉冲):过压时快速钳位至安全范围,保护后端敏感元件(如MCU、传感器);
    • 峰值脉冲电流(Ipp)4A、峰值功率(Ppp)32W:满足常见ESD/EOS冲击(如人体放电HBM、机器放电MM)的防护需求;
    • 击穿电压(Vbr)31V:过压时快速导通,响应速度<1ns,避免过压击穿后端器件。
  2. 低损耗与高速特性

    • 结电容(Cj)0.35pF:远低于普通TVS管,可兼容USB 3.0(5Gbps)、MIPI等高速信号,无明显信号衰减;
    • 反向电流(Ir)50nA:低漏电流不额外消耗功率,适配低功耗电路(如IoT节点待机模式)。
  3. 标准合规性
    符合IEC 61000-4-2国际EMC标准,满足静电放电防护的行业认证要求,可直接用于需通过EMC测试的产品设计。

三、封装与可靠性设计

  1. 超小型封装
    采用0201贴片封装(尺寸≈0.6mm×0.3mm),体积仅为传统0402封装的1/4,大幅节省PCB空间,支持智能手机、智能手表等极致小型化产品设计。

  2. 双向极性设计
    无需区分正负极,布线灵活,可简化电路设计流程,降低生产装配错误率。

  3. 高可靠性
    采用成熟TVS管工艺,重复脉冲冲击下性能稳定无衰减;工作温度范围宽(-55℃~150℃),适配工业级与消费级多场景。

四、典型应用场景

RCLAMP2451ZATFT的特性使其适配以下场景:

  1. 高速数字接口:USB 2.0/3.0、HDMI 1.4/2.0、MIPI DSI/D-PHY等接口的ESD防护,低结电容保证信号完整性;
  2. 移动终端:智能手机、平板电脑的充电口、耳机接口、SIM卡槽防护,超小封装适配紧凑内部空间;
  3. 可穿戴设备:智能手表、手环的传感器接口(心率、加速度)、无线充电接口防护,满足低功耗需求;
  4. 物联网节点:智能家居传感器、蓝牙模块的UART/SPI接口防护,低漏电流不影响待机功耗;
  5. 工业控制:小型工业传感器、PLC扩展模块的信号接口防护,宽温特性适配工业环境。

五、产品应用优势总结

  1. 空间效率高:0201封装大幅节省PCB面积,支持更小产品形态;
  2. 信号完整性佳:0.35pF低结电容兼容5Gbps高速信号,无衰减;
  3. 设计灵活:双向极性无需分正负极,布线简单;
  4. 功耗控制优:50nA低漏电流适配低功耗电路;
  5. 防护可靠:符合IEC 61000-4-2标准,4A峰值电流应对常见静电冲击。

该器件凭借小型化、低损耗、高可靠的特性,成为低电压接口防护的主流选择,广泛应用于消费电子与工业领域。

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