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AVX TAJA475M025RNJ
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- AVX TAJA475M025RNJ
- Type
- AVX
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- AVX
- Electronic Component
- TAJA475M025RNJ
- Electronic Component
- 1
- Electronic Component
- 4.7uF
- Package
- 1206
- Electronic Component
- Capacitor
- Electronic Component
- ±20%
- Electronic Component
- 0.067g
- Electronic Component
- 1
- Electronic Component
- BM0230590482
- Operating Temperature
- 55℃~+125℃
- Voltage
- 25V
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
- Resistor(ESR)
- 3.1Ω
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AVX TAJA475M025RNJ 产品概述
一、产品概述
TAJA475M025RNJ 为 AVX 生产的固态钽电容，容量 4.7µF，公差 ±20%，额定电压 25V。封装为 1206（约 3.2mm × 1.6mm），工作温度范围 -55℃ 至 +125℃，等效串联电阻（ESR）为 3.1Ω。该器件以体积小、容量密度高为特点，适合在空间受限的表贴电路中提供中等量级的滤波与去耦功能。
二、主要参数
- 容值：4.7µF（±20%）
- 额定电压：25V
- ESR：3.1Ω（典型或最大值请以厂商数据表为准）
- 工作温度：-55℃～+125℃
- 封装：1206（片式表面贴装）
- 极性：极性电容（请注意正负极安装）
三、特性与优势
- 容量密度高：在 1206 小封装中提供 4.7µF 的电容量，适合对体积敏感的应用。
- 宽温度范围：-55℃ 至 +125℃，满足工业级温度要求的电源稳定性需求。
- 良好直流容量稳定性：钽电容在温度和频率变化下容量保持性较好，适用于稳压与去耦场合。
- 便于自动化生产：1206 封装兼容主流回流焊与贴片生产线，适合批量制造。
四、典型应用场景
- 电源去耦与旁路：为精密模拟电路、微控制器供电轨提供局部稳定电容。
- 开关电源与稳压输出滤波：在输出端或参考节点用于平滑纹波（注意频率与纹波电流限制）。
- 空间受限的便携或工业设备：需要在小封装中实现中等电容需求的场合。
- 时间常数、采样保持等对容量稳定性有要求的模拟电路。
五、使用与设计注意事项
- 极性安装：钽电容有极性，反接会导致性能恶化甚至失效，设计时务必标注并校验极性。
- 降额与浪涌保护：建议针对可靠性进行电压降额（例如常见的经验性降额策略）并限制浪涌电流。钽电容对浪涌电流和高纹波电流较为敏感，必要时串联限流或选用低 ESR 聚合物钽/铝电容。
- 温度与频率影响：高温或高频条件下 ESR 和电容值会变化，应在实际工作条件下验证电路性能。
- 焊接与回流：兼容常规表贴回流工艺，但应遵循厂商推荐的回流曲线与预热/冷却规范，避免过度热应力。
- 布局建议：尽量靠近被去耦的器件放置，缩短印制板走线，减小寄生感抗。
六、封装与采购提示
- 封装：1206，适配常规 1206 贴片焊盘尺寸（具体落盘布局请参考 AVX 数据手册中的推荐焊盘图）。
- 采购：标识完整料号 TAJA475M025RNJ，选购时确认批次与出厂测试数据以满足特定可靠性要求。常见为卷带（reel）包装，便于自动贴片生产。
总结：TAJA475M025RNJ 为一款在 1206 小封装中提供 4.7µF/25V 的固态钽电容，适用于对体积、温度稳定性有要求的去耦与滤波场合。设计时需注意极性、浪涌电流限制与合理的降额策略，具体性能与限制请以 AVX 官方数据手册为准。
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