WMSIC Electronic Components

CL10B473KB8WPNC

ModelCL10B473KB8WPNC
Package0603
BrandSAMSUNG
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 Date code within 2 years

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
SAMSUNG CL10B473KB8WPNC
Type
SAMSUNG
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SAMSUNG
Electronic Component
CL10B473KB8WPNC
Electronic Component
1
Electronic Component
47nF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0257686739
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
4000

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

CL10B473KB8WPNC 产品概述

一、产品简介

CL10B473KB8WPNC 为 SAMSUNG(三星)出品的一款贴片多层陶瓷电容(MLCC),标称电容量为 47nF(0.047µF),公差 ±10%(K),额定电压 50V,介质材料为 X7R,封装为 0603(约 1.6 × 0.8 mm)。此类器件以体积小、等效串联电阻/电感低、频率响应好等优点,广泛用于去耦、滤波、耦合和定时电路中。

二、主要规格与电气特性

  • 容值:47nF(0.047µF),常温下标称值,公差 ±10%(K)。
  • 额定电压:50V DC,在该电压下可长期工作(实际工作中应考虑降额以提高稳定性与寿命)。
  • 介质:X7R(温度系数类 II),标准工作温度范围一般为 −55℃ 至 +125℃。按照 X7R 类别,温度变化范围内电容变化可达 ±15%(注:这是介质温漂规格,器件额定公差仍为 ±10%)。
  • 封装:0603(EIA),典型外形尺寸约 1.6 mm × 0.8 mm,适合高密度贴装。
  • 高频特性:MLCC 具有较低的 ESR/ESL,适合去耦与高频滤波场合。
  • 直流偏置效应:X7R 属高介电常数陶瓷,施加直流电压时电容值会下降(随电压增加下降程度加大)。在高电压或高可靠性场合需考虑该效应对电路性能的影响。
  • 老化特性:X7R 类陶瓷会存在随时间的电容衰减(对数规律),需在精密应用中留意并作补偿或选择更稳定的介质(如 C0G/NPO)。

三、典型应用场景

  • 电源去耦和旁路:与大容量电容并联用于开关电源输入/输出的高频旁路,抑制开关噪声与瞬态响应。
  • 高频滤波:射频/模拟前端或数模混合电路中的输入滤波与抑制 EMI。
  • 耦合/去耦:放大器及信号链路中的耦合电容或旁路电容(非高精度定容场合)。
  • 时序与振荡电路:在不要求极高温漂和长期稳定性的振荡或 RC 定时电路中可作为定值元件使用。
  • 汽车、工业类电子设备(需确认器件是否经过 AEC-Q200 或相应认证)。

四、设计与选型建议

  • 降额使用:为减小直流偏置与提高可靠性,建议在设计时对额定电压做适当降额(常见建议 20% 左右,具体依据系统可靠性要求决定)。
  • 温度与时间漂移:若电路对精度要求高(如滤波中心频率、高精度定时),应评估 X7R 的温漂与老化引起的偏差;必要时考虑使用 C0G/NPO 或温补措施。
  • 并联策略:单个 0603 的 47nF 在高电流去耦场合可能受限,典型做法是与较大容量的 MLCC 或钽/铝电解电容并联以覆盖宽频响应。
  • PCB 布局:去耦时将电容尽量贴近电源引脚或器件引脚,缩短回流路径,设计适当的焊盘尺寸以保证焊接可靠性与热管理。

五、封装与焊接注意事项

  • 回流温度:遵循无铅回流规范(如 J-STD-020),控制回流峰值及升温速率,避免超温或重复高温循环。
  • 机械应力:0603 小封装对 PCB 弯曲与机械冲击敏感,焊接与后处理过程中应避免强烈挤压或弯曲以防裂纹(导致容量变化或短路)。
  • 贴装设备:选择合适的吸嘴与贴装参数,保证贴装位置精度并减少碰撞冲击。
  • 焊盘设计:合理的焊盘尺寸与阻焊过孔布局有利于焊点形成与热膨胀匹配,减少应力集中。

六、可靠性与检验建议

  • 认证需求:如用于汽车或工业级产品,务必确认供应商是否提供相应的汽车级(AEC-Q200)或工业级认证与测试报告。
  • 出货检测:建议参考供应商 datasheet 中的电容值、漏电流、绝缘电阻、耐压、温升与寿命测试条件,必要时做到样品批量验证。
  • 储存与保管:存放于干燥、恒温环境,避免湿度与快速温变,长时间储存后若进入回流工艺应按回流前除湿处理流程(若适用)。

七、替代与扩展选择

如需要不同温漂、精度或更强的直流稳定性,可考虑:

  • 改用 C0G/NPO 型 MLCC(温漂更低、稳定性更好,适用于高精度电路)。
  • 若需要更高容量可选更大封装或更高介电常数,但要注意 DC 偏置效应与封装尺寸对 PCB 布局影响。
  • 同规格的其他品牌(如 Murata、TDK、Yageo 等)可作为替代,选型时以容值、公差、额定电压、介质类别、封装和供应可靠性为准则,并比对 datasheet 性能曲线(DC bias、温度特性、寿命测试等)。

总结:CL10B473KB8WPNC(47nF ±10% 50V X7R 0603)在体积与性能之间取得平衡,适合多数去耦与滤波用途。实际设计中需关注 X7R 的直流偏置与温度/时间漂移特性,并根据可靠性和电气要求合理降额与布局。如用于关键或高精度场合,请参照厂商完整 datasheet 并考虑替代介质或更高等级器件。

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