WMSIC Electronic Components

FH 0402B511K500NT

Model0402B511K500NT
Package0402
BrandFH
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
FH 0402B511K500NT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
0402B511K500NT
Electronic Component
1
Electronic Component
510pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.022g
Electronic Component
10
Electronic Component
BM0264744099
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
10000

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

0402B511K500NT 多层陶瓷贴片电容(MLCC)产品概述

一、产品基本定位

0402B511K500NT是风华高科(FH) 推出的常规系列多层陶瓷贴片电容(MLCC),属于小型化、高稳定性无源元件,核心用于电子电路的滤波、耦合、去耦及信号旁路,适配各类紧凑型设备的电路设计需求,是消费电子、汽车电子等领域的通用选型。

二、核心参数详细解析

型号编码遵循行业通用规则,核心参数可通过拆解明确:

  • 容值:510pF(“511”表示:前两位有效数字51,第三位幂次1,即51×10¹=510pF);
  • 精度:±10%(“K”为EIA精度代码,对应±10%容差范围,满足大多数通用电路需求);
  • 额定电压:50V(“500”表示额定工作电压50V,实际使用需注意降额);
  • 温度系数:X7R(行业标准分类,定义为:工作温度-55℃~+125℃,电容变化率≤±15%);
  • 封装:0402(英制0.04英寸×0.02英寸,公制1.0mm×0.5mm,小型化适配高密度电路)。

三、封装与尺寸规格

0402封装是目前主流小型贴片封装之一,该型号典型物理参数如下:

尺寸项 公制规格(mm) 英制规格(inch) 公差 长度(L) 1.0±0.1 0.04±0.004 ±0.1mm 宽度(W) 0.5±0.1 0.02±0.004 ±0.1mm 厚度(T) 0.5±0.1 0.02±0.004 ±0.1mm 端电极长度 0.3±0.1 0.012±0.004 ±0.1mm 端电极宽度 0.3±0.1 0.012±0.004 ±0.1mm

端电极采用镍电极+无铅锡镀层工艺,兼容回流焊、波峰焊等常规贴片焊接,焊接可靠性符合IPC-A-610标准。

四、温度特性与稳定性

X7R温度系数是该型号核心优势,相比其他常见系数(如Y5V、X5R):

  • 温度范围更宽:覆盖-55℃至+125℃,满足汽车电子、工业控制等极端温度场景;
  • 电容稳定性更高:全温度范围内电容变化率≤±15%,远优于Y5V(±20%),适合对信号稳定性要求较高的电路;
  • 容值密度适中:兼顾中等容值(510pF)与温度稳定性,弥补NPO(C0G)超稳定但容值偏小的不足。

五、典型应用场景

因封装小、温度稳定性好,广泛应用于:

  1. 消费电子:智能手机、平板电脑、智能手表的电源滤波、音频耦合;
  2. 汽车电子:车载导航、仪表盘、车身控制器的信号处理(适配车载温度环境);
  3. 工业控制:PLC模块、传感器接口、电机驱动的去耦滤波;
  4. 通信设备:路由器、交换机、5G基站射频前端的高频旁路;
  5. 小型家电:蓝牙耳机、智能音箱、智能家居控制器的紧凑型电路。

六、品牌可靠性与环保认证

风华高科作为国内MLCC龙头,该型号具备可靠品质:

  • 可靠性测试:通过高温寿命(125℃/50V/1000h,电容变化率≤±10%)、温度循环(-55~+125℃/500循环)、耐湿性(85℃/85%RH/50V/1000h)等行业标准测试;
  • 环保认证:符合RoHS 2.0、REACH SVHC、无卤素要求,端电极无铅,适配绿色制造;
  • 一致性保障:自动化生产工艺,批量产品参数一致性高,降低电路设计风险。

七、选型与使用注意事项

  1. 选型确认:核对容值(510pF)、精度(±10%)、电压(50V)、封装(0402)、温度系数(X7R)是否匹配;
  2. 焊接工艺:回流焊峰值温度230~245℃,焊接时间≤10秒,避免过温损坏;
  3. 静电防护:MLCC为静电敏感元件(ESD等级≤100V),操作需防静电手环、工作台;
  4. 电压降额:实际工作电压建议不超过额定电压的80%(即40V),延长寿命;
  5. 存储条件:常温干燥(25±5℃,湿度≤60%RH),开封后1个月内使用,避免受潮影响焊接。

该型号平衡了小型化、稳定性与成本,是通用电路设计的高性价比选型。

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