WMSIC Electronic Components

TDK AVR-M1005C270MTABB

ModelAVR-M1005C270MTABB
Package0402
BrandTDK
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

20 specifications

Core information

Product name
TDK AVR-M1005C270MTABB
Type
TDK
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
AVR-M1005C270MTABB
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
50mJ
Electronic Component
0.012g
Electronic Component
1
Varistor Voltage
27V
Electronic Component
BM0258781215
Voltage
47V
Static Capacitor
15pF@1kHz
Operating Voltage(DC)
15V
Surge Current
1A

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

TDK AVR-M1005C270MTABB 片式压敏电阻产品概述

TDK AVR-M1005C270MTABB是一款专为小型化电子设备设计的0402封装片式压敏电阻,核心用于瞬态过压防护,兼具低电容、高响应速度的特点,适配高密度PCB布局需求,广泛应用于便携电子、射频模块等场景。

一、产品基本定位与核心参数

该产品属于TDK AVR系列片式压敏电阻,定位为小功率设备的瞬态过压保护器件,核心参数明确且匹配典型应用场景:

  • 压敏电压:27V(标称值,对应1mA测试电流下的电压,确保工作电压下器件处于高阻态);
  • DC工作电压:15V(正常工作时的最大直流电压,压敏电压与工作电压比值符合防护规范,避免误触发);
  • 钳位电压:47V(峰值浪涌电流1A下的电压值,过压时将电压钳位在47V以内,保护后端电路);
  • 峰值浪涌电流:1A(最大可耐受的瞬态浪涌电流峰值);
  • 能量耐受:50mJ(单次浪涌的最大能量吸收能力);
  • 静态电容:15pF@1kHz(低电容特性,减少对高频信号的干扰)。

二、封装与尺寸规格

产品采用0402封装(公制1005),具体尺寸为:长度1.0mm±0.1mm,宽度0.5mm±0.1mm,高度0.5mm±0.1mm。该封装的优势在于:

  1. 高密度布局适配:适合智能手机、无线耳机等小型设备的紧凑PCB设计,可在有限空间内实现多接口防护;
  2. 焊接兼容性:支持回流焊、波峰焊等标准表面贴装工艺,适配自动化生产流程;
  3. 轻量化设计:单颗重量约0.01g,不增加设备整体重量,符合便携产品轻量化需求。

三、电气性能特点解析

1. 瞬态过压响应速度快

压敏电阻的响应时间通常在纳秒(ns)级,可快速响应静电放电(ESD)、电源浪涌等瞬态过压事件,避免后端敏感电路(如射频芯片、MCU)被击穿。例如,USB接口遭遇静电放电时,可在极短时间内导通泄放电流,保护接口芯片。

2. 低静态电容不影响高频信号

15pF@1kHz的静态电容远低于传统压敏电阻,对高频信号(如WiFi、蓝牙、USB3.0等)的传输干扰极小。例如,蓝牙耳机射频模块中,该器件并联在天线端,既实现过压防护,又不会导致射频信号衰减。

3. 电压参数匹配性强

压敏电压27V与DC工作电压15V的比值(约1.8)符合设计规范:工作电压下器件处于高阻态(漏电流极小),过压时快速导通,既保证正常工作可靠性,又避免过压损坏。

4. 小功率浪涌耐受能力适配

峰值1A、50mJ的浪涌耐受能力,满足消费电子、小型工业模块的典型浪涌场景(如电源瞬态尖峰、接口静电冲击),无需额外增加大功率防护器件,降低设计成本。

四、典型应用场景

1. 便携电子设备

  • 智能手机/智能手表:USB-C充电接口、数据接口的ESD与浪涌防护;
  • 无线耳机(TWS):充电盒接口、耳机端射频模块的过压保护。

2. 射频与高速信号接口

  • 蓝牙模块、WiFi模块:天线端与信号输入端的防护;
  • USB3.0/HDMI接口:高速数据传输线的过压防护,避免信号干扰。

3. 小型工业与物联网模块

  • 传感器节点:电源输入与信号输出端的浪涌防护;
  • 小型控制器:MCU电源与通信接口的ESD防护。

五、可靠性与适用环境

TDK作为知名电子元器件厂商,该产品具备稳定的可靠性:

  • 工作温度范围:支持-40℃至+85℃(覆盖工业级与消费级设备的环境需求);
  • 耐环境性能:封装采用耐高温、耐湿的陶瓷材料,可适应复杂场景(如户外便携设备的温湿度变化);
  • 寿命特性:额定参数下长期工作,漏电流稳定,无明显性能衰减。

综上,TDK AVR-M1005C270MTABB以小型化封装、低电容、快速响应为核心优势,精准匹配小型电子设备的瞬态过压防护需求,是便携电子、射频模块等场景的理想选择。

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