WMSIC Electronic Components

Walsin 0805B102K102CT

Model0805B102K102CT
Package0805
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

20 specifications

Core information

Product name
(Walsin) 0805B102K102CT
Type
WALSIN
Unit
Electronic Component
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
0805B102K102CT
Electronic Component
1
Electronic Component
1nF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.034g
Electronic Component
1
Electronic Component
BM0264353468
Electronic Component
X7R
Voltage
1kV
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.

华新科0805B102K102CT多层陶瓷电容器(MLCC)产品概述

一、产品基本定义与核心参数

华新科0805B102K102CT属于多层陶瓷电容器(MLCC),是将陶瓷介质层与金属电极层交替叠压烧结而成的表面贴装元件,核心参数清晰明确:

参数项 规格值 说明 容值 1nF(102) 10×10²pF=1000pF=1nF 容值精度 ±10%(K级) 满足常规电路精度需求 额定电压 1000V DC(1kV) 中高压电路适配性 温度系数 X7R 工作温度-55℃~+125℃,容值变化±15% 封装 0805(英制)/2012(公制) 英制0.08"×0.05",公制2.0mm×1.2mm 品牌 华新科(Walsin) 全球主流MLCC制造商 环保标准 RoHS 2.0、REACH 无铅无卤,符合环保要求

二、关键性能特性解析

  1. X7R介质的温度稳定性
    X7R是中温稳定型陶瓷介质,既避免了Y5V介质的高温容值漂移问题,又比NP0(COG)介质成本更低,适合大多数工业、消费电子场景的温度波动(如-20℃~+85℃常规环境)。

  2. 1kV额定电压的可靠性
    该产品额定电压为1000V DC,满足中高压电路的基本需求(如开关电源输入滤波、变频器高压侧耦合),实际使用需遵循20%以上降额原则(最大工作电压≤800V),进一步提升寿命可靠性。

  3. 小封装高容量密度
    0805封装体积仅2.0mm×1.2mm,在紧凑PCB设计中实现1nF/1kV的性能,适配高密度电路布局(如小型化电源模块、便携式设备高压辅助电路)。

  4. 焊接与耐候性
    外电极采用三层结构(银层→镍层→锡层),兼容回流焊工艺(峰值温度240℃~260℃,持续时间≤10秒),同时具备良好的耐湿性与耐盐雾性能,适合户外或潮湿环境应用。

三、典型应用场景

  1. 电源电路

    • 开关电源:输入/输出滤波(抑制纹波)、EMI共模/差模滤波;
    • AC-DC适配器:高压侧耦合、旁路电容,替代电解电容提升高频性能。
  2. 工业控制设备

    • PLC、变频器:高压信号耦合、定时电路、传感器滤波;
    • 电力监测设备:高压母线滤波、抗干扰电容。
  3. 消费电子

    • 变频家电(空调、洗衣机):高压驱动电路耦合;
    • 高端显示器:背光电源高压滤波。
  4. 通信辅助电路

    • 基站电源模块:高压侧辅助滤波(非射频主链路,避免X7R高频损耗)。

四、选型与使用注意事项

  1. 电压降额
    实际工作电压需低于额定电压的80%(≤800V),避免电压击穿或加速老化(华新科推荐降额曲线需参考 datasheet)。

  2. 温度限制
    禁止在超过+125℃的环境中工作,高温下容值漂移会影响电路性能,极端温度需选用NP0或更高温系数介质。

  3. 存储与焊接

    • 未开封产品存储:温度-10℃~+40℃,湿度≤60%,保质期12个月;
    • 开封后需尽快使用(建议72小时内完成焊接),避免吸潮导致焊接时“爆锡”。
  4. 极性注意
    MLCC无极性,但需确认电路中电压方向是否与额定电压类型匹配(该产品为DC额定,不建议直接用于AC高压电路,需参考AC降额参数)。

五、总结

华新科0805B102K102CT是一款平衡性能、成本与体积的中高压MLCC,核心优势在于X7R的温度稳定性、1kV的电压适配性及0805封装的紧凑性,适用于工业控制、电源、消费电子等中高压电路场景,是替代传统电解电容或高压陶瓷电容的可靠选型。

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