WMSIC Electronic Components

muRata GRM1555C1H181JA01D

ModelGRM1555C1H181JA01D
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
mu Rata GRM1555C1H181JA01D
Type
MURATA
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
GRM1555C1H181JA01D
Electronic Component
1
Electronic Component
180pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.015g
Electronic Component
1
Electronic Component
BM0257279602
Electronic Component
C0G
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
10000

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

GRM1555C1H181JA01D(Murata)产品概述

GRM1555C1H181JA01D 是村田(muRata)生产的一款高稳定性多层陶瓷贴片电容(MLCC),规格为 180 pF ±5%,额定电压 50 V,温度系数为 C0G(也称 NP0),封装为 0402(约 1.0 mm × 0.5 mm)。该型号以其优良的温度稳定性、低损耗和高可靠性,广泛用于需要高频性能和精密电容值稳定性的电子电路中。

一、主要参数概览

  • 容值:180 pF(181 表示 180 pF)
  • 精度:±5%(J)
  • 额定电压:50 V DC
  • 温度系数:C0G(Class 1,近零温度系数,俗称 NP0)
  • 封装:0402(约 1.0 mm × 0.5 mm,适合高密度贴片)
  • 系列型号:GRM1555C1H181JA01D(Murata 标准料号)

二、产品特点与优势

  • 温度稳定性高:C0G(NP0)材料在温度变化范围内保持极小的电容漂移,典型温度系数极低,适合对频率和时间常数敏感的电路。
  • 低损耗、低等效串联电阻(ESR)与低等效串联电感(ESL):适用于射频、滤波和高频去耦场合。
  • 几乎无电容老化:与高介电常数材料相比,C0G 几乎没有随时间发生的老化现象,长期稳定性好。
  • 良好的机械与焊接可靠性:村田生产工艺成熟,适配自动化贴装与回流焊流程。
  • 小尺寸封装适合高密度 PCB 布局,节省板面空间。

三、典型应用场景

  • 高频滤波与匹配:射频前端、滤波器、阻抗匹配电路。
  • 时钟与振荡电路:晶振旁路、振荡器负载电容、PLL 回路中的精密电容。
  • 精密模拟电路:ADC/DAC 前端、采样与保持电路中的定值/耦合电容。
  • 去耦与旁路:对频率响应和稳定性要求高的小阻抗回路去耦。
  • 通信设备、测量仪器、工业控制和汽车电子(依据具体车规版本验证)等领域。

四、封装与装配注意事项

  • 0402 封装体积小,贴装时需要注意元件因板弯曲或机械应力导致的裂纹风险。贴片机贴装和回流焊工艺需控制温度曲线与参数。
  • 建议使用符合制造商推荐的回流焊温度曲线(无铅工艺)并避免反复重流。
  • 在PCB布局时,避免将 MLCC 放置在需要频繁局部弯折或与强螺丝固定件直接相邻的位置,以防止焊接应力或机械应力造成损伤。
  • 储存及搬运时注意防潮、防静电,避免长时间暴露在高湿环境中。

五、设计与选型建议

  • 对电压依赖性的考量:C0G 电容对直流偏置几乎没有显著的电容下降,适合要求稳定电容量的场合;但在高场强下仍建议在系统设计中留有安全裕度。
  • 电压余量:若在实际应用中长期施加接近额定电压,建议适当留 10–30% 的安全余量来提高可靠性。
  • 封装选择:0402 适合高密度设计,但若需要更高的机械强度或更大能量吸收能力,可考虑 0603 或 0805 等更大封装替代。
  • 干扰与布局:用于滤波或去耦时,尽量靠近被去耦器件的电源脚放置并缩短走线长度,以降低寄生 L、R 影响。

六、可靠性与环境特性

  • C0G(NP0)陶瓷材料具备优异的温度稳定性和长期稳定性,无显著电容量老化,适合计量级和精密应用。
  • 常见的可靠性测试包括热循环、机械耐振、湿热与高温贮存等;在关键应用(如汽车、航天)中应参考厂商的车规或军规版本与认证数据。
  • 推荐在产品选型和生产导入阶段,参考 Murata 提供的详尽数据表(datasheet)和封装、回流焊说明,以满足可靠性验证要求。

七、替代与采购建议

  • 若需要更高电压规格或不同电容量/精度,可在 Murata 同系列或其他厂商同类 C0G MLCC 中查找替代型号(例如更大封装用于提高机械强度或更高电压等级)。
  • 采购时优先选择正规分销渠道或直接向 Murata 订购,以保证原厂质量与溯源。小批量样板测试建议先确认实际电容、温度系数与焊接兼容性。
  • 对于批量生产,应关注库存与交期,必要时可采用等效备选品以降低供应风险。

总结:GRM1555C1H181JA01D(Murata)是一款面向高频与精密应用的稳定型 MLCC,凭借 C0G 材料的低温漂、低损耗与小体积封装,适合对电容量稳定性与频率特性有较高要求的设计场景。选型与应用时应综合考虑封装可靠性、工作电压余量及焊接工艺,以确保长期稳定运行。

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