WMSIC Electronic Components

Walsin 0402N120J500CT

Model0402N120J500CT
Package0402
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) 0402N120J500CT
Type
WALSIN
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
0402N120J500CT
Electronic Component
1
Electronic Component
12pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.012g
Electronic Component
1
Electronic Component
BM0264549892
Electronic Component
NP0
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.

0402N120J500CT 陶瓷电容器产品概述

一、产品名称与型号解析

型号“0402N120J500CT”是华新科(Walsin)对该陶瓷电容器的标准化命名,各字符对应核心属性如下:

  • 0402:英制封装代码,对应公制规格1005(长1.0mm×宽0.5mm),表示电容器的物理尺寸;
  • N120:容值标识,“120”为有效数字(12)乘以10⁰,单位pF,即标称容值12pF;
  • J:精度等级代码(EIA标准),代表容值偏差为±5%;
  • 500:额定电压标识,单位V,即直流工作电压上限为50V;
  • CT:华新科特定工艺后缀,对应端电极结构(镍底层+锡表层)及环保无铅工艺要求。

二、核心电气性能参数详解

该产品属于NP0(C0G)型多层陶瓷电容器(MLCC),核心参数及意义如下:

1. 容值与精度

标称容值12pF,精度±5%(J档),满足大多数精密电路对容值一致性的要求,避免因容值偏差导致的信号偏移。

2. 额定电压

50V直流额定电压,适用于低压至中压电路(需注意:交流电压需按有效值降额使用,通常取额定直流电压的70%以下)。

3. 温度系数(NP0/C0G)

NP0是IEC命名,C0G是EIA命名,两者为同一材料体系:

  • 温度范围:-55℃~+125℃(汽车级及工业级宽温要求);
  • 容值变化:≤±30ppm/℃(即温度每变化1℃,容值变化不超过12pF×30ppm=0.00036pF),稳定性远优于X7R(±15%)、Y5V(±20%)等温度系数电容。

4. 损耗与ESR

高频下等效串联电阻(ESR)低(典型值<1Ω at 1MHz),等效串联电感(ESL)小,减少信号损耗,适合射频电路应用。

三、封装与物理尺寸

采用0402封装(公制1005),具体尺寸(以华新科 datasheet 为准):

  • 长度:1.0mm±0.1mm;
  • 宽度:0.5mm±0.1mm;
  • 高度(厚度):0.5mm±0.1mm;
  • 端电极尺寸:两端各0.15mm~0.25mm,适配常规回流焊工艺。

该封装体积小、集成度高,可大幅减少PCB占用面积,满足智能穿戴、射频模块等小型化设备的设计需求。

四、品牌与制造工艺特点

华新科(Walsin)作为全球被动元件龙头厂商,该产品工艺具备以下优势:

1. 材料与结构

采用高纯度NP0陶瓷粉,多层叠层工艺(MLCC),每层陶瓷介质厚度均匀,确保容值稳定性;端电极采用“镍底层+锡表层”,无铅环保(符合RoHS、REACH标准),焊接兼容性强(回流焊温度范围220℃~260℃)。

2. 可靠性

  • 抗振动冲击:多层结构抗机械应力能力强,通过10G20G振动测试(频率10Hz2000Hz);
  • 长寿命:在额定电压及温度下,失效率低于100FIT(1FIT=10⁻⁹每小时),满足工业级设备长期稳定工作要求。

五、典型应用场景

因NP0电容的高稳定性、低损耗特性,该产品主要应用于以下领域:

1. 射频(RF)电路

  • 手机、路由器的WiFi模块、蓝牙模块:振荡回路、带通滤波电路(保证信号相位稳定);
  • 卫星导航(GPS)模块:参考振荡电路(避免温漂导致的定位误差)。

2. 精密电子仪器

  • 示波器、信号发生器:校准电路、高频滤波(确保测量精度);
  • 医疗设备:生命体征监测模块的信号调理电路(稳定容值避免数据偏差)。

3. 小型消费电子

  • 智能手表、TWS蓝牙耳机:控制电路、电源滤波(适配设备小型化);
  • 便携式相机:图像传感器的高频驱动电路(低损耗提升画质)。

4. 汽车电子

  • 车载通信模块(CAN总线、蓝牙):宽温环境下的信号传输电路(-40℃~+85℃汽车级温度要求)。

六、性能优势总结

该产品核心价值在于**“稳定、高效、小型化”**:

  1. 温度稳定性:NP0材料的容值温漂可忽略,适合对容值变化敏感的高频/精密电路;
  2. 低损耗:高频下ESR、ESL小,减少信号衰减,提升射频性能;
  3. 高精度与一致性:±5%精度满足大多数应用,华新科工艺保证批次间容值偏差极小;
  4. 环保与可靠性:无铅工艺符合全球环保标准,抗振动冲击能力强,降低设备维护成本。

作为华新科经典的NP0系列MLCC,0402N120J500CT凭借平衡的性能与成本,成为射频、精密仪器等领域的主流选择。

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