WMSIC Electronic Components

Walsin 0603B105K250CT

Model0603B105K250CT
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) 0603B105K250CT
Type
WALSIN
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
0603B105K250CT
Electronic Component
1
Electronic Component
1uF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0264353688
Electronic Component
X7R
Voltage
25V
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.

0603B105K250CT 片式多层陶瓷电容(MLCC)产品概述

一、产品核心身份与基本属性

0603B105K250CT是华新科(Walsin) 推出的通用型片式多层陶瓷电容(MLCC),核心属性清晰明确:

  • 封装规格:0603(英制标识,对应公制1608),实际尺寸为长1.6mm×宽0.8mm×厚0.8mm,符合国际电子封装协会(IPC)标准,适配常规SMT贴装设备;
  • 容值编码:105(前两位有效数字10,第三位幂次5,单位pF)→ 10×10⁵pF=1μF;
  • 精度等级:K档(±10%),常温25℃下容值偏差控制在0.9μF~1.1μF;
  • 额定电压:250(省略VDC后缀)→ 25VDC,仅适用于直流电路(交流场景需降额使用);
  • 材质分类:X7R型陶瓷介质,属于“中稳定、中容值”的平衡选择。

二、X7R材质的温度特性与稳定性

X7R是陶瓷电容的EIA标准温度系数分类,核心特性直接决定了产品的环境适应性:

  • 温度范围:-55℃至+125℃,覆盖工业级低温(如北方户外设备)和高温(如汽车发动机舱周边)场景,比X5R(-55~85℃)宽30℃高温上限;
  • 容值波动:全温度范围内容值变化≤±15%(注意与“常温精度±10%”区分:前者是温度变化带来的额外偏差,后者是25℃下的初始偏差);
  • 材质对比:比Y5V(-3085℃,容值变化±20%)更稳定,比NP0(-55125℃,容值变化±0.05%)容值范围大(NP0难做到1μF级容值),适合“对稳定性有要求但无需超高精度”的场景。

三、电气性能关键指标详解

结合华新科公开规格,补充用户未提及的核心电气参数,便于设计选型:

  1. 损耗角正切(tanδ):典型值≤1%(1kHz/1Vrms测试条件),比Y5V的3%5%小,适合10kHz100MHz中等频率的信号处理;
  2. 寄生参数:0603封装的寄生电感≈0.5nH,寄生电阻≈0.01Ω,比电解电容的寄生电感(≈5nH)小10倍,高频去耦效果更优;
  3. 耐电压特性:额定电压25V,短时间可承受32.5V(1.3倍额定电压)过压测试,符合IEC 60384-1可靠性标准;
  4. 漏电流:典型值≤1μA(25V/25℃),远低于电解电容的μA级漏电流,适合低功耗电路。

四、典型应用场景

该产品因“体积小、稳定性好、容值适中”,广泛覆盖以下场景:

  1. 消费电子:手机/平板主板的CPU供电去耦、耳机接口音频耦合、蓝牙模块射频电源滤波;
  2. 工业控制:PLC输入输出接口信号耦合、小型变频器电源滤波、传感器信号调理电路;
  3. 通信设备:路由器/交换机电源模块去耦、光纤收发器信号耦合;
  4. 小家电:电磁炉控制电路滤波、电饭煲温度传感器信号处理、电动牙刷充电电路。

五、产品可靠性与设计优势

  1. 小型化适配:0603封装比0805封装节省40%PCB面积,符合便携式设备(如智能手表)的高密度贴装需求;
  2. 无极性设计:无需区分正负极,贴装效率比电解电容提升30%,避免极性接反导致的损坏;
  3. 长寿命特性:MLCC无电解液,125℃下工作1000小时后容值变化≤±5%,比铝电解电容(寿命10005000小时)长510倍;
  4. 环保合规:符合RoHS标准(无铅、无镉),满足欧盟、北美市场的环保要求。

六、选型注意事项

  1. 电压降额:实际工作电压建议不超过额定电压的80%(即20V以内),避免高温或纹波过大时的可靠性风险;
  2. 容值替代:若需更高温度稳定性(如150℃以上),需选C0G/NP0,但容值需降至100nF以下;若需更大容值(如10μF),0603封装需选Y5V材质,但温度稳定性下降;
  3. 贴装精度:适配常规SMT贴片机(如YAMAHA YV100X),贴装精度要求±0.1mm,符合工业生产标准。

该产品是华新科针对通用低压电路设计的高性价比MLCC,平衡了容值、稳定性、体积和成本,是消费电子、工业控制等领域的主流选型之一。

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