WMSIC Electronic Components

TDK AVRL101A1R1NTA

ModelAVRL101A1R1NTA
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

19 specifications

Core information

Product name
TDK AVRL101A1R1NTA
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
AVRL101A1R1NTA
Electronic Component
1
Package
0402
Electronic Component
Varistor Resistor
Electronic Component
0.012g
Electronic Component
1
Varistor Voltage
90V
Electronic Component
BM0258885756
Static Capacitor
1.1pF@1MHz
Operating Voltage(DC)
10V
Electronic Component
Electronic Component
Electronic Component
10000

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

AVRL101A1R1NTA 产品概述

一、产品简介

AVRL101A1R1NTA 是 TDK 推出的超小型片式压敏电阻(varistor),封装为 0402(1005 公制),专为空间受限且对电磁兼容(EMC)和静电放电(ESD)保护有较高要求的电子产品设计。该器件在正常工作时表现为高阻抗,遇到瞬态高压时呈现低阻抗导通,从而有效钳位过电压并保护后端电路。

二、主要参数与特性

  • 压敏电压(Varistor Voltage):90 V(表示在标准测试电流下的压敏电压特性)
  • 工作电压(DC,最大持续工作电压 Vrwm):10 V
  • 静态电容:1.1 pF @ 1 MHz(低电容,有利于高速信号线的应用)
  • 封装:0402(1005 公制),适合高密度贴片组装
  • 品牌:TDK

以上参数表明该型号在常态下适合用于低压系统的浪涌/ESD 抑制,且由于极低的静态电容,对高速信号干扰小,适合保护敏感数据线或电源输入点。

三、典型应用场景

  • 移动设备与可穿戴产品的电源输入与接口保护(空间受限场景)
  • IoT 终端、传感器模块、无线通信模块的电源与信号线防护
  • USB/串行接口、音视频信号线等对传输完整性要求高的高速线路(低电容优势)
  • 工业与消费类电子的小功率电源保护(非用于高能量汽车主电源或雷击防护)

四、设计与布局建议

  • 尽量将器件放置于外部接口或容易受扰动的线路入口处,靠近连接器或过线点,以缩短未受保护段的长度。
  • 对于单端信号,建议将压敏电阻一端接地,另一端并联于信号与地之间;对差分线或多线系统,可根据电路拓扑采取一对一或共模/差模保护方案。
  • 由于静态电容仅 1.1 pF,适合并联在高速信号线上而不会显著影响频率响应,但仍需在高频设计中验证信号完整性。
  • 为了确保快速安全的放电路径,接地回路应短而粗,避免通过长走线回到系统地。

五、焊接与可靠性要点

  • 采用标准回流焊工艺贴装,遵循 TDK 或 PCB 制造商推荐的温度曲线以避免应力或内部结构损伤。
  • 0402 封装尺寸小,贴装时需注意焊膏量与焊盘设计,过多焊膏可能导致偏位或桥连,过少焊膏影响焊接可靠性。
  • 在可靠性评估中关注多次冲击(ESD)后的压敏特性恢复情况以及长期温湿热影响,必要时按 IEC 或 JEDEC 标准做压力测试。

六、选型与注意事项

  • 本型号的 Vrwm 为 10 V,适合保护 5 V 或更低电压系统;若系统工作电压接近或超过 10 V,应选择更高工作电压的压敏电阻。
  • 压敏电压 90 V 表示在特定测试电流下的触发电压描述,实际钳位电压、能量吸收能力和脉冲持续能力需参考完整数据手册。
  • 若应用需要应对高能量脉冲或工业/汽车级冲击,应选用额定能量更高或专用浪涌抑制元件(如 TVS 二极管、功率型压敏电阻等)。

七、封装与采购提示

  • 封装规格:0402(1005 公制),适用于自动化贴片生产。
  • 采购时请核对完整料号(AVRL101A1R1NTA)与批次,向供应商索取最新数据手册以确认电气特性曲线、钳位电压与热性能等关键参数。

总结:AVRL101A1R1NTA 以其超小封装、低静态电容和适合低压系统的工作电压,成为在空间受限且需兼顾高速信号完整性的便携与嵌入式设备中常用的过压/ESD 保护元件。设计时应结合实际系统电压、能量吸收要求以及 PCB 布局进行综合评估和验证。

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