WMSIC Electronic Components

AVX TAJE107K020RNJ

ModelTAJE107K020RNJ
PackageCASE-E-7343-28(mm)
BrandAVX
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 25+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
AVX TAJE107K020RNJ
Type
AVX
Unit
Electronic Component
Minimum package
400 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
AVX
Electronic Component
TAJE107K020RNJ
Electronic Component
1
Electronic Component
100uF
Package
CASE-E-7343-28(mm)
Electronic Component
Capacitor
Electronic Component
±10%
Electronic Component
0.72g
Electronic Component
1
Electronic Component
BM0058426265
Operating Temperature
55℃~+125℃
Voltage
20V
Electronic Component
Electronic Component
Electronic Component
400

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

TAJE107K020RNJ 产品概述

一、基本参数与型号说明

TAJE107K020RNJ 为 AVX 公司生产的固体钽电容器,主要电气参数如下:

  • 容值:100 µF(标称)
  • 额定电压:20 V DC
  • 容值公差:±10%(90 µF ~ 110 µF)
  • 等效串联电阻(ESR):400 mΩ @ 100 kHz
  • 工作温度:-55 ℃ ~ +125 ℃
  • 封装:CASE‑E‑7343‑28(具体外形尺寸请参见厂商外形图)

该型号为极性元件(钽电容),在电路中需按正确极性焊接使用。

二、关键电气性能解析

  • 容量与精度:100 µF、±10% 的组合在电源滤波、去耦和能量暂存场合常见,能提供良好的低频至中频储能能力。
  • ESR:400 mΩ @ 100 kHz 属于中等偏低 ESR 水平,有利于抑制中高频纹波,但在高纹波电流应用下会产生额外发热,须关注温升与功耗。
  • 工作温度:-55 ℃ ~ +125 ℃ 适合宽温区应用,但在高温端电容特性和寿命会受影响,应结合实际工况考量。

三、可靠性与热、电应力注意

  • 钽电容对浪涌电流和瞬态过压较敏感,强烈建议在设计中采用电压降额(根据可靠性要求一般建议降额 20%~50%,并参照厂商推荐)以及限制启动/浪涌电流的保护措施(如串联限流电阻或软启动)。
  • ESR 与纹波电流相关,器件功耗约为 I_rms^2 × ESR,设计时应核算实际纹波电流并评估温升及寿命影响。
  • 长期高温运行会加速老化并降低可靠性,关键应用下请参考 AVX 的寿命与加速老化数据。

四、封装与安装注意事项

  • 封装为 CASE‑E‑7343‑28(表面贴装),在布局时应留足焊盘和热膨胀空间,避免元件与强热源直接邻近。
  • 钽电容为极性器件,务必明确正负极标识并确保电路板丝印与极性一致,反接会导致失效甚至起火。
  • 焊接工艺应遵循厂商的回流焊条件与预热要求,避免过高的焊接峰温或过长的加热时间;焊接后的清洗与残留物处理也应合规。

五、典型应用与选型建议

适用场景:

  • 开关电源输出滤波与去耦
  • 模拟与数字混合电路的去耦与能量缓冲
  • 中等纹波电流需求的嵌入式与工业电子设备

选型建议:

  • 若电路存在大幅纹波或高频噪声,评估是否需并联低 ESR 陶瓷电容来覆盖更高频段的去耦要求;
  • 对可靠性/安全要求高的系统(如关键电源、汽车电子),应向厂商索取失效模式、P83/PPAP 等可靠性数据,并考虑更严格的电压降额和冗余设计。

六、使用要点总结

  • 确认极性并避免逆接;对浪涌电流与过压采取防护;
  • 计算实际纹波电流并评估由 ESR 引起的功耗与温升;
  • 结合 PCB 布局并采用必要的并联电容策略以满足宽频段去耦需求;
  • 在关键或高可靠性应用中,遵照 AVX 官方资料和应用指南进行设计验证与老化测试。

总体而言,TAJE107K020RNJ 是一款适用于中等能量缓冲与滤波场合的钽固体电容,具有较宽的工作温度范围和适中的 ESR 特性。设计中合理降额、控制浪涌并配合合适的 PCB 布局与并联电容,可获得稳定可靠的电源性能。

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