WMSIC Electronic Components

TDK AVRM1005C6R8NT331N

ModelAVRM1005C6R8NT331N
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 AVRM1005C6R8NT331N
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
AVRM1005C6R8NT331N
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
8mJ
Electronic Component
0.012g
Electronic Component
1
Varistor Voltage
6.8V
Electronic Component
BM0258885416
Voltage
15V
Static Capacitor
33pF@1kHz
Operating Voltage(DC)
3.5V
Surge Current
24A

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

AVRM1005C6R8NT331N 产品概述

一、产品简介

AVRM1005C6R8NT331N 是 TDK 提供的一款超小型表面贴装金属氧化物压敏电阻(MOV),封装为 0402(1005 公制)。该器件针对 3.3V 类低压电源与高速接口的浪涌/静电抑制需求进行了优化,在极小封装下兼顾响应速度与抑制能量能力,适合高密度 PCB 设计与自动化贴装工艺。

二、主要电气参数

  • 压敏电压(Varistor Voltage):6.8 V
  • 钳位电压(Clamping Voltage):15 V
  • 工作电压(DC Working Voltage):3.5 V
  • 峰值浪涌电流(Peak Surge Current):24 A
  • 能量吸收(Energy):8 mJ
  • 静态电容(Capacitance):33 pF @ 1 kHz
  • 封装:0402(1005 公制)

这些参数表明该器件适用于 3.3 V 电源轨与信号线的过压保护,同时 33 pF 的静态电容需在高速差分/射频信号设计中予以考虑。

三、典型应用场景

  • MCU/FPGA 的 3.3 V 电源浪涌与瞬态抑制
  • USB、I2C、SPI、UART 等低压数字接口的过压与 ESD 缓冲
  • 摄像头、显示接口及移动设备的小尺寸防护电路
  • 高密度消费电子与物联网终端的输入保护

四、设计注意事项

  • 布局:将器件靠近受保护的接口或电源引脚放置,保证回流路径短并可靠接地。
  • 对高速信号:33 pF 电容对高速差分线会引入负载,若用于高速信号线,应评估带宽影响或采用并联限流/隔离措施。
  • 能量限制:单颗器件能量吸收为 8 mJ、峰值 24 A,适合抑制短时瞬态与 ESD;对于多次或高能量冲击,应并联或选用更大能量器件。
  • 工艺兼容:0402 封装适合自动贴装与回流焊,请遵循制造商的焊接温度曲线与抗热性建议。

五、可靠性与选型建议

  • 该型号在小尺寸下提供良好瞬态保护能力,但物理尺寸限制其寿命与能量承受次数,设计时应根据最大预计冲击频率与能量做冗余规划。
  • 若系统频繁遭受大能量浪涌,可考虑使用更大封装或结合 TVS 二极管实现分级保护。
  • 在 PCB 上进行实际 ESD/浪涌试验以确认钳位效果与对系统工作稳定性的影响。

概括而言,AVRM1005C6R8NT331N 在空间受限的设计中为 3.3 V 类电路提供经济有效的瞬态抑制方案。合理布局与考虑其电容特性,可在不显著增加 PCB 面积的情况下提升系统对静电与瞬态过压的耐受性。

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