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PSA FV43N121J302ECG
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- PSA FV43N121J302ECG
- Type
- PSA
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PSA
- Electronic Component
- FV43N121J302ECG
- Electronic Component
- 1
- Electronic Component
- 120pF
- Package
- 1812
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±5%
- Electronic Component
- 0.157g
- Electronic Component
- 1
- Electronic Component
- BM0264906434
- Electronic Component
- C0G
- 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.
FV43N121J302ECG 产品概述
一、基本参数
- 型号：FV43N121J302ECG（PSA / 信昌电陶）
- 类型：多层陶瓷贴片电容（MLCC）
- 容值：120 pF
- 精度：±5%（J）
- 额定电压：3 kV DC（3000 V）
- 温度系数：C0G / NP0（近零温度漂移）
- 封装：1812（英制，常见约 4.6 mm × 3.2 mm）
二、主要特性
- 极好的温度稳定性：NP0/C0G 陶瓷材料温度系数接近 0 ppm/°C，随温度变化的电容漂移极小，适合对频率稳定性、计时精度要求高的电路。
- 低损耗、高 Q 值：介质损耗小，适合射频、滤波和高频脉冲场合。
- 高压耐受：3 kV 额定电压适合中高压电源、测量与隔离场合使用。
- SMD 封装便于自动贴装，提高生产效率。
三、典型应用
- 高压电源滤波与旁路（DC-DC、HV module）
- 高压耦合/隔离电路与高压测量接口
- 高频振荡器、谐振回路与精密定时电路
- 工业、医疗及测量仪器中的高压、低漂移元件
- 脉冲电路与阻尼/缓冲网络（注意脉冲能量限制）
四、封装与安装建议
- 贴片封装适合回流焊工艺，建议采用规范的回流曲线并控制预热与冷却斜率，避免热冲击引起裂纹。
- 由于为高压器件，装板时应保证器件间及器件与导体间的爬电距离及气隙，必要时配合丝印隔离或灌封/涂覆以提高耐压性能。
- 1812 为较大体积 MLCC，焊盘设计需保证良好的焊接可靠性并控制应力集中，避免因基板弯曲导致裂片。
五、选型与注意事项
- 虽为 3 kV 标称电压，长期可靠性建议进行合理电压降额（视应用关键性通常建议在额定电压以下运行）；高压脉冲场合需评估峰值能量与电容自恢复能力。
- 对温度、频率、直流偏压下的容值变化可参考制造商完整数据手册，NP0/C0G 虽稳定但在极端环境下仍需验证。
- 订购前确认包装形式（卷带）、检验要求和出货测试（耐压、绝缘电阻等）。
六、推荐采购与检验
- 推荐向 PSA（信昌电陶）或其授权分销商采购以保证原厂质量与可追溯性。
- 到货检验建议包括外观检查、尺寸/极性确认（无极）、抽样做耐压试验与容值、损耗测试，关键应用可要求 100% 测试。
本产品适合需要高稳定性、低损耗并承受中高直流电压的印刷电路板应用。如需进一步的电气特性图（温度特性、频率特性、耐压曲线）或 PCB 参考布局图，请提供具体应用环境，我可以帮您匹配更详细的设计建议。
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