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PSA FV42X102K302EEG
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- PSA FV42X102K302EEG
- Type
- PSA
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PSA
- Electronic Component
- FV42X102K302EEG
- Electronic Component
- 1
- Electronic Component
- 1nF
- Package
- 1808
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±10%
- Electronic Component
- 0.12g
- Electronic Component
- 1
- Electronic Component
- BM0264820254
- Electronic Component
- X7R
- 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.
FV42X102K302EEG 产品概述
一、产品简介
FV42X102K302EEG 为 PSA（信昌电陶）系列高压贴片多层陶瓷电容（MLCC），标称容量 1 nF，容差 ±10%，额定电压 3 kV，温度特性 X7R，封装 1808。此类高压 MLCC 结合了小尺寸与高耐压特性，适合在受限空间中处理高电压信号或能量滤波的场合。
二、主要电气与材料特性
- 容值：1 nF，标示容差 ±10%（具体测量频率与方法请参见厂方规格书）。
- 额定电压：3 kV（DC）；高电压应用时需考虑电场引起的损耗与介质老化。
- 温度系数：X7R，常温至高温范围内电容随温度变化受控（X7R 通常定义在 −55°C 至 +125°C 范围内电容变化限值，具体数值请以生产商数据为准）。
- 封装：1808 贴片封装，适用于自动贴片与回流焊工艺。
- 优势：体积小、等效串联电阻（ESR）低、耐压高、适合高频及高压滤波、耦合、旁路等用途。
三、典型应用场景
- 高压电源滤波与旁路（例如偏压电源、倍压电路）。
- 高压测量与分压器电路的耦合/旁路元件。
- 医疗、检测、工业电源、高压驱动与激励电路中的噪声抑制与瞬态吸收。
- 高频高压脉冲电路（需评估能量吸收与脉冲寿命）。
四、设计与装配注意事项
- DC bias 影响：X7R 类陶瓷在高电场下会出现显著的电容衰减，3 kV 场合下容量可能低于静态标称值，设计时应在目标工作电压下进行实际测量并适当降额。
- 串联/并联：若需要更高耐压或降低电场压力，可采用多只串联配置并配合均压电阻；并联可增大容量或分散应力。
- 焊接工艺：遵循厂方回流焊曲线（通常有峰值温度与时间限制），避免过长高温造成热应力；贴装时避免过度弯曲 PCB，防止元件端面裂纹。
- 机械应力：使用合适的吸嘴取放，避免金属吸嘴直接压迫陶瓷片面，清洗时避免超声或强力溶剂导致微裂。
五、可靠性与测试建议
- 推荐在目标工作电压和温度条件下做 DC bias 测试与耐压/绝缘电阻测试，以验证实际性能与漏电特性。
- 进行温循环、湿热与振动测试以确认在应用环境下的长期稳定性。
- 对于安全关键或高能量脉冲场合，应做过压、浪涌与失效模式评估，并考虑冗余或保护电路（限流器、熔断器、阻尼网络等）。
六、选型建议
在选用 FV42X102K302EEG 时，若电路工作电压接近或等同 3 kV，应：
- 验证工作下实际容量（考虑 DC bias）；
- 考虑电压降额与冗余保护；
- 参考 PSA 提供的完整规格书（包括回流曲线、耐压测试与环境可靠性数据）以完成最终验证。
总结：FV42X102K302EEG 是一款适合中高压场合的小型 MLCC，具有体积小、耐压高、低 ESR 的优点，但在高电场与温度应力下需重视 DC bias、机械应力与可靠性验证。
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