WMSIC Electronic Components

FH RC-02K6651FT

ModelRC-02K6651FT
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH RC-02K6651FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K6651FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
6.65kΩ
Electronic Component
10
Electronic Component
BM0265105269
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

RC-02K6651FT 贴片厚膜电阻产品概述

一、产品基本定位

RC-02K6651FT是风华电子(FH品牌) 推出的0402封装高精度厚膜贴片电阻,专为高密度、小型化电子电路设计。核心参数覆盖6.65kΩ固定阻值、±1%精度、62.5mW额定功率,适配-55℃至+155℃宽温环境,可满足消费电子、工业控制、汽车电子等多领域的精密分压、限流、滤波等电路需求,是主流小型化设备的通用型电阻选型。

二、核心参数详情

本产品电气与环境参数明确,关键指标如下:

  1. 阻值与精度:固定阻值6.65kΩ,采用激光微调工艺实现±1%高精度,避免传统电阻的阻值漂移问题,适配对精度要求较高的信号调理电路;
  2. 功率与电压:额定功率62.5mW,最大工作电压50V,实际应用需遵循功率降额原则(建议不超过额定功率的80%),避免过功率导致性能衰减;
  3. 温度系数(TCR):±100ppm/℃,在全温区内阻值变化≤0.01%/℃(如155℃与-55℃温差210℃,阻值变化≤1.3965Ω),保证极端温度下的电路稳定性;
  4. 工作温区:-55℃至+155℃,覆盖工业级(-40℃~+85℃)与汽车级部分应用的温度要求;
  5. 封装尺寸:0402(英制,对应公制1005),体积仅为长1.0mm×宽0.5mm,适合高密度PCB布局,满足小型化设备的空间需求。

三、封装与工艺特点

  1. 封装结构:采用陶瓷基片+厚膜电阻层+镍锡电极的三层结构,陶瓷基片耐高温、抗机械应力,电极镀层兼容无铅焊接(RoHS compliant);
  2. 厚膜工艺优势:通过丝网印刷、高温烧结工艺制造,相比薄膜电阻成本更低,相比碳膜电阻稳定性更好,且具备较强的抗脉冲能力(可承受短时间过压冲击);
  3. 焊接兼容性:适配回流焊(峰值温度≤260℃)、波峰焊等主流贴片工艺,焊接后无需额外处理,可直接满足电路性能要求。

四、典型应用场景

RC-02K6651FT的小体积、高精度与宽温特性,使其适配多种场景:

  1. 消费电子:智能手机、平板电脑、智能穿戴设备的ADC前端分压电路、电源滤波电路(如耳机接口信号调理);
  2. 工业控制:PLC模块、传感器信号放大电路中的限流电阻,适配工业现场-20℃至+85℃的常规温区;
  3. 汽车电子:车载中控、胎压监测系统(TPMS)的辅助电路(如传感器供电分压),满足部分车载环境的宽温需求(-40℃至+125℃);
  4. 通信设备:路由器、交换机的高速信号链路中的匹配电阻,小体积利于高密度PCB设计(如5G基站小型化模块)。

五、可靠性与环境适应性

  1. 温度稳定性:±100ppm/℃的TCR确保全温区阻值漂移在可控范围内,不影响电路精度要求;
  2. 抗湿性:陶瓷基片与密封结构具备一定抗湿能力,符合IPC标准的湿度测试要求(可承受40℃/93%RH环境下1000小时测试);
  3. 长期稳定性:厚膜工艺的长期阻值漂移≤0.5%(典型值),适合长期使用的电子设备(如工业控制器、车载终端)。

六、选型与使用注意事项

  1. 功率降额:实际工作功率需低于62.5mW,高温环境(+125℃以上)建议降额至70%额定功率;
  2. 焊接工艺:回流焊温度曲线需符合IPC-J-STD-020标准,避免过温(>260℃)导致电阻层氧化;
  3. 存储条件:未焊接电阻需存储在温度15-35℃、湿度40-60%RH的环境中,避免受潮影响焊接性能;
  4. 静电防护:贴片电阻为静电敏感元件(HBM 2000V等级),操作时需佩戴静电手环与防静电工具。

本产品以高性价比、宽温适配性与小体积优势,成为电子设备小型化设计的主流电阻选型之一。

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