WMSIC Electronic Components

muRata GJM1555C1HR60BB01D

ModelGJM1555C1HR60BB01D
Package0402
BrandmuRata
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

17 specifications

Core information

Product name
mu Rata GJM1555C1HR60BB01D
Type
MURATA
Unit
Electronic Component
Minimum package
10000

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
GJM1555C1HR60BB01D
Electronic Component
1
Electronic Component
0.6pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
0.015g
Electronic Component
1
Electronic Component
BM0229970673
Electronic Component
C0G
Voltage
50V
Electronic Component
10000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

muRata GJM1555C1HR60BB01D 产品概述

一、产品简介

GJM1555C1HR60BB01D 是村田(muRata)生产的一款高稳定性多层陶瓷贴片电容(MLCC),额定电压为 50V,标称电容值为 0.6 pF,温度特性为 C0G(亦称 NP0),封装为 0402(约 1.0 × 0.5 mm)。此类微容值、低介质损耗的陶瓷电容器以其优异的温度稳定性和低损耗特性,常用于对精度、频率响应和信号完整性有严格要求的电路中。

二、主要特性

  • 容值:0.6 pF(标称)
  • 温度系数:C0G / NP0(近似零温度系数,温度范围内容量变化极小)
  • 额定电压:50 V DC
  • 封装:0402(约 1.0 × 0.5 mm)
  • 低介质损耗(低 tanδ),适合高频应用
  • 低介电吸收和高稳定性,适合精密模拟与计时电路
  • 小体积,适合高密度贴装的现代 PCB 设计

三、适用场景与典型应用

  • 高频/射频(RF)匹配网络与微带线调谐件:由于 C0G 的低损耗和高自谐频率,适合射频前端、LC 匹配和谐振回路。
  • 振荡器与定时电路:在晶体振荡器、压控振荡器(VCO)及高精度时钟电路中,用作耦合或调谐电容,保证频率稳定性。
  • 精密模拟电路:ADC 的输入滤波、采样保持电路以及参考路径的噪声抑制,C0G 带来稳定的容值和低漏失。
  • 高速数字接口:用于射频滤波、阻抗匹配或抑制高频干扰的微量容值旁路/去耦网络。
  • 传感器与测量仪器:在要求线性和温度稳定性的测量电路中保证一致性和可重复性。

四、设计与选型要点

  • 温度稳定性:C0G(NP0)材质容值随温度几乎不变(典型 ±30 ppm/°C 级别),适用于对温漂敏感的精密电路。
  • 电压依赖性:相比 X7R、X5R 等高介电常数陶瓷,C0G 对直流偏压的容量衰减非常有限,0.6 pF 在实际偏压下保持稳定更好。
  • 自谐频率(SRF)与等效串联电感(ESL):小容值、0402 封装使其具有较高 SRF 和较低 ESL,利于高频性能。
  • 封装匹配:0402 封装适合高密度排列,但在功率/热量传导、可焊性及机械可靠性方面要按 PCB 生产环境优化焊盘设计与回流工艺。

五、PCB 布局与焊接建议

  • 焊盘与布局:采用厂商推荐的扩展焊盘尺寸,焊盘长度不宜过长以防热不均与焊接应力;尽量使焊点对称,减少机械应力集中。
  • 地线与回流:在滤波或旁路应用中,尽量缩短回流路径;对于射频应用,控制走线阻抗并考虑地平面完整性。
  • 回流焊工艺:按村田或行业标准的回流曲线进行焊接,避免多次过热与急冷,以降低裂纹风险。贴片前确保基板清洁且无明显翘曲。
  • 机械保护:0402 封装尺寸较小但脆性仍存在,避免 PCB 弯曲、强烈冲击或在贴装后进行机械切割邻近区域。

六、可靠性与测试要点

  • 电容筛选与测量:低 pF 值建议使用高精度 LCR 仪在适当测试频率(如 1 MHz 或按规格)下测量,以避免测试线和夹具引入误差。
  • 环境与寿命:C0G MLCC 本身具有良好的循环与温湿度稳定性,但必须按照生产商推荐的保管(防潮包装)和回流焊规程操作以保证可靠性。
  • 应力监控:注意检测焊接后与激光划片、压入元件附近的应力集中,必要时在 PCB 设计中增加应力释放结构或使用更大封装。

七、采购与替代

  • 包装与供货:此类 MLCC 常以卷带(tape-and-reel)方式供货,便于自动化贴装;采购时确认批次、包装、以及是否符合所需的质量和环境认证要求。
  • 替代选择:若需相同温度特性与类似频率响应,可在同类 C0G / NP0 系列中选择不同封装或容值。更换时重点关注电容值、封装尺寸、额定电压与温度特性的一致性。

总结:GJM1555C1HR60BB01D(muRata)为小体积、高稳定性的 C0G MLCC,适合需要高频性能与温度稳定性的射频、时钟及精密模拟场合。设计、焊接与测试时按厂商建议和行业规范执行,可最大程度发挥该器件的电气与可靠性优势。

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