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AVX TAJE157K020RNJ
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- AVX TAJE157K020RNJ
- 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
- TAJE157K020RNJ
- Electronic Component
- 1
- Electronic Component
- 150uF
- Package
- CASE-E-7343-43(mm)
- Electronic Component
- Capacitor
- Electronic Component
- ±10%
- Electronic Component
- 0.69g
- Electronic Component
- 1
- Electronic Component
- BM0229959217
- 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.
TAJE157K020RNJ 产品概述
一、产品简介
TAJE157K020RNJ 为 AVX 公司钽电容器（TAJE 系列）的一款标准型号，标称电容值 150 µF，额定电压 20 V，容值公差 ±10%。工作温度范围宽 (-55 ℃ 至 +125 ℃)，适合要求高可靠性和宽温区稳定性的工业级电源滤波与去耦场合。等效串联电阻（ESR）为 300 mΩ（在 100 kHz 测试频率下），适配中低频纹波与旁路需求。
二、关键电气参数
- 容值：150 µF，精度 ±10%
- 额定电压：20 V
- 温度范围：-55 ℃ ~ +125 ℃
- ESR：300 mΩ @ 100 kHz（可用于评估纹波损耗与抑制能力）
钽电容具有稳定的电容量和较低的漏电流，但对冲击电压以及反向偏压较敏感，设计时需考虑降额与保护措施。
三、封装与机械特性
型号标注的封装为 CASE-E-7343-43(mm)，对应常见的 7343 类封装尺寸（约 7.3 × 4.3 mm 量级），占板面积适中，厚度与引脚形式便于贴片工艺。具体尺寸与焊盘设计应参考 AVX 官方 3D 与尺寸图纸以确保可焊性与机械可靠性。
四、典型应用场景
- 开关电源输入/输出滤波与稳压器去耦
- 工业控制与通信设备电源旁路
- 工作温度要求高的嵌入式系统与仪表电源
在要求长时稳定滤波、体积受限但需较高电容值的场合，TAJE157K020RNJ 是常用选择。
五、设计与使用注意事项
- 极性：钽电容为极性器件，必须严格遵循正负极连接，避免反向偏压。
- 降额与冲击保护：为提高可靠性，建议对额定电压进行合理降额并在电源回路中采取浪涌电流限制或前端限流。
- 纹波与发热：依据 ESR 与电流评估纹波损耗（P = I_rms^2 · ESR），避免长期过高纹波电流导致发热与寿命下降。
- 焊接：采用推荐回流焊工艺，并参照 AVX 焊接曲线避免过高温度或过长保温时间。
六、可靠性与测试建议
TAJE 系列钽电容通常具有优良的温度稳定性与容量保持特性。样件验证时应做温度循环、湿热、高温老化、振动与焊接后可靠性试验，重点关注漏电流、容值与 ESR 的变化。批量采购前进行抽样电气测试（C、ESR、漏电）以确认一致性。
七、选型与采购提示
在系统设计阶段，基于实际纹波电流与寿命要求比较不同 ESR 与额定电压的方案。订购时请确认 AVX 原厂料号、封装尺寸及是否有特殊资质（如需车规认证请向供应商确认）。如需替代品或更低 ESR/更高温度等级，请提供具体应用条件以便推荐更合适的型号。
如需该器件的完整电气图、封装尺寸图或制造商数据表，可提供，我将协助提供关键参数与设计建议。
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