WMSIC Electronic Components

TDK AVR-M1005C120MTAAB

ModelAVR-M1005C120MTAAB
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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
TDK AVR-M1005C120MTAAB
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-M1005C120MTAAB
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
50mJ
Electronic Component
0.012g
Electronic Component
1
Varistor Voltage
12V
Electronic Component
BM0258884879
Voltage
20V
Static Capacitor
130pF@1kHz
Operating Voltage(DC)
7.5V
Surge Current
10A

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

AVR-M1005C120MTAAB 产品概述

一、概述与定位

AVR-M1005C120MTAAB 是 TDK 提供的一款超小型表面贴装压敏电阻(Varistor),封装为 0402(1005 公制)。器件面向需要对低电压直流轨或接口线进行瞬态过压抑制的消费电子与工业电子应用,特点是体积极小、响应速度快、适合贴片自动化生产。

二、主要电气参数

  • 压敏电压(Vrm):12 V(在规定测试条件下触发压敏行为);
  • 钳位电压(Vclamp):20 V(在峰值浪涌电流条件下的典型钳位电平);
  • 工作电压(DC):7.5 V(长期直流工作环境推荐值);
  • 峰值浪涌电流(Ipk):10 A(单次脉冲峰值能力);
  • 能量吸收:50 mJ(单脉冲能量吸收能力,反映器件耐受能力);
  • 静态电容:130 pF @ 1 kHz(在高频信号路径中会引入一定负载);
  • 封装:0402(1005 公制),适配高密度 PCB 布局。

三、典型应用场景

  • USB、Micro/Type-C 接口的浪涌与静电防护(注意静态电容对高速信号的影响);
  • 手机、平板与可穿戴设备的电源轨防护(7.5 V 以下直流轨);
  • 车载低压电子模块的局部过压保护(非主电源大电流冲击);
  • 工业控制与传感器接口的小型化过压抑制方案。

四、设计与布局建议

  • 贴片位置:尽量靠近被保护的接口或电源引脚,缩短引线长度以降低串联感量与阻抗;
  • 接地要求:若与地配合工作,应确保地回流路径短且低阻,避免通过长回流路径导致保护性能下降;
  • 高频影响:静态电容约 130 pF,会在高频信号线上引入负载,若用于高速差分信号(如 USB3.x、HDMI 等),需评估是否满足信号完整性要求;
  • 温度及焊接:遵循 TDK 提供的回流焊工艺曲线,避免过热导致性能退化;0402 封装需要注意焊盘设计和回流参数以保证焊接可靠性。

五、可靠性与使用注意

  • 能量与电流限制:器件能量吸收 50 mJ、峰值浪涌电流 10 A,适合抑制短时尖峰与静电,若面对更大能量或重复高能脉冲,应选用更大规格或级联保护元件;
  • 老化与重复冲击:多次或过大能量冲击可能导致参数漂移或失效,建议在系统保护策略中配合熔断器或 TVS 等器件实现分级保护;
  • 环境适配:如在高湿或腐蚀环境中使用,应配合合适的涂覆或密封工艺,以延长可靠性。

六、封装与采购提示

  • 封装尺寸 0402(1005 公制),便于高密度贴装与自动化生产;
  • 采购时注意型号完整性(AVR-M1005C120MTAAB)与品牌(TDK),并核对制造批次与技术规格书,必要时索取样品与可靠性测试数据。

总结:AVR-M1005C120MTAAB 以其超小封装与对低电压轨的快速抑制能力,适合空间受限且需要基础瞬态保护的场景。设计时需关注其静态电容对高速信号的影响以及能量/电流极限,合理布局与分级保护能够显著提升系统可靠性。

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