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PSA FV55X102K302EFG
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- PSA FV55X102K302EFG
- Type
- PSA
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PSA
- Electronic Component
- FV55X102K302EFG
- Electronic Component
- 1
- Electronic Component
- 1nF
- Package
- 2220
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±10%
- Electronic Component
- 0.387g
- Electronic Component
- 1
- Electronic Component
- BM0264820237
- Electronic Component
- X7R
- Voltage
- 3kV
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
FV55X102K302EFG 产品概述
一、产品简介
FV55X102K302EFG 为 PSA（信昌电陶）系列高压多层陶瓷贴片电容（MLCC），标称电容值 1 nF，公差 ±10%，额定直流电压 3 kV，介质材料为 X7R，封装规格 2220（约 5.6 mm × 5.0 mm）。该系列针对需要高工作电压与体积可靠性的应用，兼顾耐压与机械强度，适用于多种工业与仪器设备中的高压滤波与耦合场合。
二、主要性能特点
- 高额定电压：3 kV DC，适配高压电路设计，满足一定绝缘与耐压要求。
- 稳定温度特性：X7R 介质在 −55°C 至 +125°C 范围内电容变化可控，适合一般工业温度环境。
- 精度与容值：1 nF ±10%，在设计时可减少并联器件数量，简化 BOM。
- 封装与抗机械性：2220 封装提供较大的介质体积与较高的机械强度，适合需要较好耐焊接及振动特性的应用。
- 低等效串联电阻与电感（ESR/ESL）：典型 MLCC 的低阻抗特性适合高频滤波与瞬态响应需求。
三、应用场景
- 高压电源滤波与旁路（DC-DC、整流后端）
- 医疗与分析仪器的高压隔离与耦合电路
- 工业测试与测量设备、示波器前端滤波
- 激光驱动、点火系统等需承受高压脉冲的场合（但需评估脉冲能量）
- 高压参考与分压网络中作为旁路/去耦电容使用
四、设计与使用注意事项
- 电压依赖性：X7R 类型在高偏压下电容值会下降，尤其接近额定电压时，实际有效电容可能明显低于标称值，建议按厂家 DC-bias 曲线预估实际容量并预留裕量。
- 温度与频率影响：工作温度、频率亦会影响电容表现，关键电路请参考完整数据手册并进行实测验证。
- PCB 布局：高压应用需保证器件周围足够爬电与间隙距离，避免表面污染导致漏电或击穿；焊盘应设计与制造工艺相匹配以降低应力集中。
- 焊接与可靠性：遵循厂家推荐的回流曲线与预热工艺，避免多次回流和过度热应力；2220 尺寸较大，需注意焊膏量与焊接后的机械支撑。
- 机械应力敏感：尽管 2220 有较好机械强度，但强烈弯曲或挤压力仍可能导致裂纹，装配与测试时避免 PCB 弯曲。
五、质量与合规性建议
如需具体寿命、耐电压寿命、温度循环与震动可靠性试验数据，或 RoHS、REACH 等合规证书，请向 PSA（信昌电陶）索取完整数据手册与认证文件。针对关键应用（例如医疗、航空）建议进行定制化可靠性验证。
六、总结
FV55X102K302EFG（PSA，1 nF ±10%，3 kV，X7R，2220）是一款面向高压场合的 MLCC，兼顾耐压与常温稳定性，适用于高压滤波、耦合与去耦等多种工业应用。设计时应重点考虑 DC-bias、温度影响及 PCB 安全间距，以确保长期稳定运行。若用于脉冲或极端环境，建议与厂家沟通并做样机验证。
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