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muRata GCJ21BR71H105KA01L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- mu Rata GCJ21BR71H105KA01L
- Type
- MURATA
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MURATA
- Electronic Component
- GCJ21BR71H105KA01L
- Electronic Component
- 1
- Electronic Component
- 1uF
- Package
- 0805
- Electronic Component
- SMD Capacitor(MLCC)
- Electronic Component
- ±10%
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Electronic Component
- BM0258707174
- Electronic Component
- X7R
- Voltage
- 50V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GCJ21BR71H105KA01L 产品概述
一、产品简介
GCJ21BR71H105KA01L 为村田（muRata）生产的贴片多层陶瓷电容（MLCC），规格为 1 µF ±10%，额定电压 50 V，介质型式 X7R，封装 0805（公制 2012）。属于非极性、低等效串联电阻（ESR）的通用型旁路/耦合元件，适用于多种工业与消费类电子电路的去耦、滤波与能量暂存场合。
二、主要电气参数
- 标称电容：1.0 µF（±10% 初始容值）
- 额定电压：50 V DC
- 介质特性：X7R（-55 °C 至 +125 °C，温度变化范围内容差通常 ≤ ±15%）
- 封装：0805（2012 公制）
- 极性：无（非极性）
三、关键特性与使用注意
- 温度特性：X7R 为 Class II 陶瓷，温度范围宽，但随温度变化容值有一定漂移，通常在规定温度范围内容值变化不超过 ±15%。
- 直流偏压效应：在较高直流偏压下（接近额定电压）实际有效电容量会出现明显下降，具体降幅与片式尺寸、厚度及配方有关，设计时请参考厂方 DC-bias 曲线并留余量。
- 老化与时间稳定：Class II 陶瓷存在老化现象，容值随时间按对数规律小幅下降（需参见厂方资料获取具体百分比）。
- 高频特性：MLCC ESR 低、自谐频率高，适合高频去耦和滤波应用，但在精密定容或谐振电路时需考虑介质非线性与偏压影响。
四、典型应用场景
- 电源去耦与旁路（DC-DC 输入/输出、LDO 降噪）
- 高频滤波与阻抗匹配网络
- 耦合/旁路电容、去耦参考平面稳定
- 空间受限的便携设备与消费电子应用
五、选型与布局建议
- 若电路对有效电容稳定性要求高（如电源滤波在高偏压下），建议按 DC-bias 曲线留足裕量或选用更高电压等级/更大体积封装。
- PCB 布局中尽量靠近电源引脚放置，走线要短、宽，减少串联电感。对多颗并联使用，确保焊盘、过孔分布合理以降低寄生。
- 对于会受机械应力或弯曲的板面，避免将 0805 封装电容置于弯曲区域，防止压裂。
六、焊接与可靠性
- 按厂商推荐的无铅回流焊曲线进行焊接，遵守湿敏等级（MSL）与焊前烘烤要求。
- MLCC 对热冲击与机械应力敏感，存储与贴装过程中要避免跌落、弯折与过度振动。必要时在关键应用中可采用封装加固或点胶工艺提升可靠性。
七、采购与替代建议
- 采购时确认完整料号与包装（卷带/盘装）信息，索取并参照村田最新版数据手册获取 DC-bias、耐久、温度特性与推荐焊盘图。
- 若需更低偏压依赖或更高容量稳定性，可考虑更大封装（1206/1210）或采用 C0G/NP0 型陶瓷、钽电容或固态铝电解进行替换，视成本与体积权衡。
如需我帮您查找该料号的厂方数据手册、电容随偏压与温度的具体曲线，或提供 PCB 推荐焊盘与回流曲线参数，我可继续提供详细资料。
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