WMSIC Electronic Components

FH RC-02K202JT

ModelRC-02K202JT
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

19 specifications

Core information

Product name
FH RC-02K202JT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K202JT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.022g
Electronic Component
2kΩ
Electronic Component
10
Electronic Component
BM0264678852
Electronic Component
±100ppm/℃
Resistor Type
Resistor
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.

FH风华RC-02K202JT 0402贴片厚膜电阻产品概述

一、产品核心基本属性

FH风华RC-02K202JT是一款厚膜贴片电阻,核心参数与型号命名对应关系明确:

  • 阻值:2kΩ(2000Ω),型号中“K202”为阻值代码(前两位有效数20,第三位倍率10²,即20×10²=2000Ω);
  • 精度:±5%,由型号后缀“J”标识(行业通用代码:J=±5%、F=±1%);
  • 功率:62.5mW(1/16W),匹配0402封装的典型功率上限;
  • 温度系数(TCR):±100ppm/℃;
  • 封装:0402(英寸制0.04×0.02英寸,公制1.0mm×0.5mm),是贴片电阻中尺寸最小的主流规格之一。

二、封装与工艺特点

1. 0402小尺寸封装优势

适配高密度PCB设计,能有效缩小终端产品体积,尤其适合智能穿戴、蓝牙耳机等对空间要求严苛的设备;引脚间距小但焊接兼容性强,支持自动化贴片生产。

2. 厚膜工艺核心特性

采用风华自研厚膜浆料配方,通过丝网印刷、高温烧结制成:

  • 成本低于薄膜电阻,适合批量应用;
  • 抗脉冲过载能力优于薄膜电阻,可承受短暂过流冲击;
  • 阻值一致性管控严格(风华内部标准<0.5%),减少电路匹配误差。

3. 焊接兼容性

引脚采用Sn-Pb或无铅合金镀层,可焊性符合J-STD-002标准,支持回流焊、波峰焊等主流工艺,焊接良率达99.5%以上。

三、关键电气性能详解

1. 阻值与精度

标称2kΩ±5%,满足消费电子、物联网终端的基础电路需求(如分压、限流、滤波),无需额外高精度电阻即可实现稳定功能;若电路对精度要求更高(如±1%),可替换为同系列F精度型号。

2. 功率与电压范围

额定功率62.5mW,结合阻值计算得最大工作电压≈11.2V(V=√(P×R)=√(62.5e-3×2e3)),覆盖3.3V、5V等低电压系统的安全工作区间。

3. 温度系数与工作温度

TCR为±100ppm/℃,表示温度每变化1℃,阻值漂移±0.2Ω(2kΩ×100×10⁻⁶);工作温度范围为-55℃~+125℃,在常规环境下阻值稳定性可靠,无需额外温漂补偿。

四、典型应用场景

因小封装、低成本、稳定可靠的特点,该电阻广泛用于:

  1. 智能穿戴:手环、智能手表的传感器电路、电源管理模块;
  2. 消费电子:蓝牙耳机、遥控器、小型家电(智能插座、加湿器)的控制板;
  3. 物联网终端:低功耗传感器节点、智能家居设备的信号调理电路;
  4. 工业辅助:小型PLC、传感器模块的分压/限流辅助电路。

五、选型与替换建议

  1. 直接替换:同参数的其他品牌产品(如国巨RC0402JR-072KL、三星CL05K202JO5NNNC)可直接替换,需确认封装尺寸与引脚间距;
  2. 精度升级:若需±1%精度,选风华RC-02K202FT(F后缀);
  3. 功率升级:若功率需求超62.5mW,换用0603封装(1/10W=100mW)的RC-03K202JT,避免过载损坏。

六、质量与可靠性说明

  1. 环保认证:符合RoHS 2.0、REACH指令,无铅无卤,适配全球市场准入;
  2. 风华品质管控:通过GB/T 15287、IEC 60115等标准测试,高温存储(125℃×1000h)阻值变化<1%,温度循环(-55℃~+125℃×1000次)性能稳定;
  3. 长期可靠性:终端应用中平均无故障时间(MTBF)超10万小时,适合量产设备的长期运行。

该产品平衡了成本、尺寸与性能,是小型化电子设备中基础电阻的优选方案。

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