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PSA FV43X102K302EFG
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- PSA FV43X102K302EFG
- Type
- PSA
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PSA
- Electronic Component
- FV43X102K302EFG
- Electronic Component
- 1
- Electronic Component
- 1nF
- Package
- 1812
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±10%
- Electronic Component
- 0.232g
- Electronic Component
- 1
- Electronic Component
- BM0257411970
- 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.
FV43X102K302EFG 产品概述
一、产品简介
FV43X102K302EFG 为 PSA（信昌电陶）系列高压多层陶瓷贴片电容（MLCC），标称容值 1nF（102）、容差 ±10%、额定直流电压 3kV、温度特性 X7R，封装规格为 1812（约 4.6 × 3.2 mm）。该型号为无极性器件，适用于需要中等容值与高电压耐受性的电路场合。
二、主要特性
- 额定电压：3 kV DC，高压工况下可靠性设计；
- 容值：1 nF，±10% 公差，适合高压耦合与滤波；
- 温度系数：X7R，工作温度范围广（典型 -55°C 至 +125°C），介电常数相对稳定；
- 封装：1812 SMD，适合自动贴装与回流焊工艺；
- 结构：多层陶瓷，低漏电、高绝缘强度。
三、典型应用场景
- 高压电源滤波、旁路；
- 脉冲电路与高压耦合/去耦；
- 高压探测/分压器前端滤波；
- 医疗设备、高压驱动板、工业高压电源与检测模块。
四、性能与使用注意
- X7R 材料在高直流偏置下会出现显著电容衰减，使用前需评估在 3 kV 工况下的实际剩余容值；
- 建议在接近额定电压环境中进行适度降额与验证（基于可靠性需求可考虑 50%–80% 降额原则）；
- 高压电路设计应确保器件周围有足够的爬电与间隙距离，并采取绝缘涂覆或加强绝缘措施以防表面击穿；
- 器件为无极性，但请避免机械应力、弯曲或强振动导致裂纹。
五、封装与安装建议
- 1812 尺寸适配常见 PCB 布局，推荐留有管脚焊盘与足够的焊膏量以保证焊接强度；
- 回流焊温度曲线应遵循厂家推荐的焊接规范，避免过骤的热冲击；
- 焊接后避免强烈机械应力，贴片电容对压敏感，手工装配或波峰焊不建议用于此类高压 MLCC。
六、检验与可靠性测试
- 推荐对成品进行耐压测试（DC 耐压/泄漏电流）、绝缘电阻、以及在目标温度/湿度下的老化测试；
- 对长期储存或开盘后的卷带，若怀疑受潮，应按厂家建议进行回流前烘烤以避免焊接缺陷；
- 在关键应用建议索取并参照 PSA 的详细数据表与可靠性试验报告。
七、选型与采购建议
- 订购时请核对完整料号与包装形式（卷带/盘件）、批次及检验报告；
- 若电容随 DC 偏置或温漂敏感影响系统性能，可考虑更稳定介质（如 C0G/NP0）或调整器件并联/串联方式以满足电压与容值需求；
- 在高可靠性或安规相关场合，建议与 PSA 技术支持确认具体应用条件下的资格与测试要求。
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