WMSIC Electronic Components

Walsin 0603B473K500CT

Model0603B473K500CT
Package0603
Brand(Walsin)
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

18 specifications

Core information

Product name
(Walsin) 0603B473K500CT
Type
WALSIN
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
0603B473K500CT
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
BM0265085252
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.

0603B473K500CT陶瓷电容器产品概述

一、核心参数与型号解析

0603B473K500CT为华新科(Walsin)推出的多层陶瓷电容(MLCC),型号各段含义及核心参数如下:

参数项 规格详情 封装代码 0603(英制)/1608(公制) 容值编码 473 → 47×10³ pF = 47nF 精度等级 K → ±10% 额定电压 500 → 50V DC 温度系数 X7R(-55℃~125℃,容变±15%) 介质类型 多层陶瓷 品牌 华新科(Walsin)

型号中“B”为华新科该系列标识,“CT”为端电极与封装细分(适配标准贴片焊接)。

二、关键特性与优势

  1. 宽温稳定型:X7R介质是陶瓷电容中“温度稳定性”与“容值密度”的平衡方案——在-55℃至125℃全温区,容值变化率≤±15%,远优于Y5V等低价介质,适合环境温度波动大的场景;
  2. 小体积高密度:0603封装(1.6mm×0.8mm)体积仅为传统电解电容的1/100,可实现PCB高密度布局,适配消费电子、通信设备的小型化需求;
  3. 低损耗高可靠性:高频损耗(DF值)≤0.015(1kHz/25℃),适合中高频电路滤波;端电极采用“镍底层+纯锡镀层”,兼容回流焊/波峰焊,焊接可靠性达行业标准;
  4. 环保合规:符合RoHS 2.0、REACH等环保指令,无铅无卤,适配全球市场要求。

三、封装与物理特性

0603封装的具体物理参数(华新科典型值):

  • 尺寸:长1.6±0.2mm × 宽0.8±0.2mm × 厚0.5±0.1mm;
  • 引脚间距:0.5±0.1mm;
  • 端电极结构:镍(Ni)底层→铜(Cu)中间层→纯锡(Sn)表层;
  • 重量:≈0.01g(单颗)。

封装设计适配自动化贴片设备(贴装精度±0.1mm),量产效率高。

四、典型应用场景

该电容因“宽温稳定+小体积”特性,广泛用于以下领域:

  1. 消费电子:智能手机/平板的电源滤波(直流母线去耦)、音频信号耦合、触控面板噪声抑制;
  2. 工业控制:PLC输入输出电路、传感器信号调理、电机驱动电路的EMI滤波;
  3. 通信设备:路由器/交换机的射频前端滤波、电源模块去耦、光模块信号耦合;
  4. 汽车电子(低压系统):车载中控、仪表盘的12V电源稳压电路(需确认工作电压≤50V)。

五、可靠性与环境适应性

  1. 温度性能:-55℃~125℃连续工作,短期(10分钟)可承受150℃高温;
  2. 耐焊性:回流焊峰值温度260℃±5℃(持续1020秒)、波峰焊温度245℃±5℃(持续35秒),无开裂/脱焊风险;
  3. 寿命:额定条件(25℃、50V DC)下,MTBF(平均无故障时间)≥10⁶小时;
  4. 湿度耐受:相对湿度90%以下长期稳定,符合IEC 60068-2-60标准。

六、选型与替换注意事项

  1. 替代型号:同参数可替换三星CL0603KRX7RBBB473、村田GRM188R61C473KA5D;若需±5%精度,可选J级型号(如0603B473J500CT);
  2. 使用限制:
    • 禁止超过50V直流电压(交流电压需降额,如25V AC);
    • 125℃以上环境需降容使用(容值降额至85%);
    • 避免靠近强磁场(陶瓷电容无磁,但强磁场可能影响电路);
  3. 焊接建议:回流焊时需控制升温速率(≤3℃/秒),防止电容开裂。

该产品平衡了“性能稳定”与“成本可控”,是消费电子、工业控制等领域的高性价比选型。

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