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PSA FV42N470J302ECG
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- PSA FV42N470J302ECG
- Type
- PSA
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PSA
- Electronic Component
- FV42N470J302ECG
- Electronic Component
- 1
- Electronic Component
- 47pF
- Package
- 1808
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±5%
- Electronic Component
- 0.083g
- Electronic Component
- 1
- Electronic Component
- BM0264820221
- Electronic Component
- C0G
- Voltage
- 3kV
- Electronic Component
- Electronic Component
- Electronic Component
- 2000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FV42N470J302ECG 产品概述
一、产品核心参数
FV42N470J302ECG 是 PSA（信昌电陶）推出的一款高压贴片多层陶瓷电容（MLCC），主要参数如下：
- 容值：47 pF
- 精度：±5%
- 额定电压：3 kV
- 温度系数：C0G（近似零温漂、极低介质损耗）
- 封装：1808（贴片封装，适配自动贴装和回流焊工艺）
二、主要性能与优势
- 温度稳定性高：C0G（NP0）介质使电容在宽温度范围内保持极小的电容漂移和低介质损耗，适合精密滤波与定时电路。
- 耐压能力强：3 kV 的额定电压满足多数中高压隔离与测量场景的要求。
- 工艺可靠：MLCC 结构适合表面贴装，兼容常规回流焊流程，良好的机械强度与长期稳定性。
- 小容值与高压组合：47 pF 在高压条件下仍能保持稳定，是高压分压、阻尼及耦合电路的优选。
三、典型应用场景
- 高压电源与高压测量仪器（电压分压、稳压网络）
- 脉冲电路、放电路径抑制和阻尼网络
- 医疗成像、X 射线电源等需高压绝缘的系统（需符合系统安全规范）
- 精密模拟和射频电路中作为高稳定性小容量元件使用
四、封装与装配建议
- 封装为 1808 贴片，适用于自动化贴装与回流焊。建议按照厂家推荐的回流曲线进行焊接，以避免热应力导致裂纹或性能退化。
- PCB 布局时建议预留足够爬电和空气间隙以满足高压绝缘要求，并在高压端采用合适的清洗与涂覆工艺提升污染耐受性。
- 焊盘设计应遵从厂方推荐尺寸，避免在焊接后产生过大的机理应力。
五、可靠性与使用注意事项
- 虽具备 3 kV 额定电压，但在脉冲或瞬态过压条件下需做额外验证；对长期寿命有要求的场景应进行老化与耐压测试。
- 避免在施工或测试中施加过大机械弯曲，应注意避免跌落或冲击导致微裂纹。
- 高压应用中，应结合系统防护（如限流、过压保护）和适当的绝缘设计共同使用。
六、选型与采购建议
在选型时，优先确认实际工作电压（直流、交流或脉冲）与工作环境温度并留有裕量。若需批量采购或对焊接、包装（卷带）有特殊要求，建议与 PSA（信昌电陶）或授权代理确认详细的可靠性数据和出货规格。若系统对介质损耗或温漂有更严苛要求，也可考虑同系列其他容值或更高电压等级的型号。
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