WMSIC Electronic Components

IHHEC C1812X473K102T

ModelC1812X473K102T
Package1812
BrandIHHEC
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
IHHEC C1812X473K102T
Type
IHHEC
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
IHHEC
Electronic Component
C1812X473K102T
Electronic Component
1
Electronic Component
47nF
Package
1812
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.287g
Electronic Component
1
Electronic Component
BM0265389824
Electronic Component
X7R
Voltage
1kV
Electronic Component
Electronic Component
Electronic Component
1000

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

C1812X473K102T 贴片陶瓷电容(MLCC)产品概述

C1812X473K102T是禾伸堂(IHHEC)推出的高压贴片多层陶瓷电容(MLCC),针对中高压电路的滤波、耦合、去耦等核心需求设计,兼具小型化、高稳定性与高可靠性特点,广泛适配工业控制、新能源、医疗设备等对高压电容有明确要求的领域。

一、核心参数与规格解析

该产品的关键参数可通过型号直观对应,具体如下:

  • 容值:47nF(型号中“473”为三位有效数字表示法,即47×10³ pF=47nF);
  • 精度:±10%(型号中“K”为精度标识,符合电子元器件E24系列容差标准);
  • 额定电压:1kV(型号中“102”表示10×10² V=1000V,满足中高压电路的基础电压需求);
  • 温度系数:X7R(工作温度范围为-55℃~+125℃,该范围内容值变化率≤±15%);
  • 封装:1812(英制尺寸,对应公制约4.57mm×3.05mm);
  • 品牌:禾伸堂(IHHEC),具备成熟的MLCC生产工艺与全流程品质管控体系。

二、封装与尺寸特性

1812封装是行业通用的贴片电容尺寸,物理参数与工艺适配性如下:

  • 基础尺寸:长度约4.57mm(0.18英寸)、宽度约3.05mm(0.12英寸)、常规厚度0.5mm左右(部分定制型号厚度可调整);
  • 贴装兼容性:引脚间距符合SMT自动贴装标准,兼容常规回流焊、波峰焊工艺,适配高密度PCB布局;
  • 体积优势:相比同电压等级的铝电解电容,体积仅为其1/5~1/10,可大幅降低设备空间占用。

三、材料与温度稳定性

采用多层陶瓷堆叠结构(MLCC),核心材料特性如下:

  • 陶瓷介质:选用X7R类温度稳定型介质,相比Y5V等介质(容值温度漂移大),更适合对电路参数稳定性要求高的场景;
  • 温度特性:在-55℃~+125℃宽温范围内,容值变化率稳定在±15%以内,避免极端环境下电路性能漂移;
  • 抗老化性:陶瓷材料化学稳定性优异,无电解液干涸、漏液等问题,寿命远长于电解电容。

四、典型应用场景

C1812X473K102T因高压耐受与稳定特性,广泛应用于以下领域:

  1. 高压滤波:AC-DC开关电源高压侧滤波、LED驱动电源高压端去耦(抑制纹波噪声);
  2. 工业控制:变频器高压模块、PLC模拟量输入输出电路的EMI噪声抑制;
  3. 新能源领域:光伏逆变器高压侧滤波、电动汽车BMS(电池管理系统)高压辅助电路去耦;
  4. 医疗设备:高压隔离电路、医用成像设备的信号耦合(需确认产品安规认证适配);
  5. 通信设备:基站电源高压部分的共模/差模滤波。

五、产品优势与价值

  1. 高压适配性:1kV额定电压无需串联多只低电压电容,简化电路设计,降低系统布线复杂度与成本;
  2. 容值稳定性:X7R温度系数保障宽温环境下性能一致,避免电路参数漂移导致的功能异常;
  3. 小型化设计:1812封装适配高密度PCB,助力设备轻薄化(如小型化工业控制器、便携式医疗设备);
  4. 高可靠性:禾伸堂工艺成熟,产品通过振动(10~2000Hz)、冲击(1000m/s²)、湿热(85℃/85%RH)等可靠性测试,适合恶劣工业环境;
  5. 成本效益:相比薄膜电容、铝电解电容,相同电压容值下体积更小、采购成本更低,性价比突出。

六、选型与使用注意事项

  1. 电压降额:实际工作电压建议不超过额定电压的80%(即≤800V),可有效延长产品寿命;
  2. 温度限制:避免工作温度超出-55℃~+125℃范围,防止容值异常或陶瓷介质开裂;
  3. 焊接工艺:回流焊温度曲线需符合MLCC要求(峰值温度≤245℃,持续时间≤10s),避免高温损伤;
  4. 机械应力:贴片后避免PCB过度弯曲(弯曲半径≥10mm)或冲击,防止引脚断裂;
  5. 安规认证:若用于医疗、工业等领域,需确认产品是否具备UL 1414、CE等安规认证(禾伸堂部分型号可满足)。

综上,C1812X473K102T是一款兼顾高压、稳定与小型化的MLCC,适配多领域中高压电路需求,是工业控制、新能源等场景的优选电容之一。

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