WMSIC Electronic Components

FH RC-02K6492FT

ModelRC-02K6492FT
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-02K6492FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K6492FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.01g
Electronic Component
64.9kΩ
Electronic Component
10
Electronic Component
BM0265104826
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-02K6492FT 厚膜贴片电阻产品概述

一、产品基本定位

RC-02K6492FT是风华FH品牌推出的一款0402封装厚膜贴片电阻,属于中小功率高精度厚膜电阻系列,专为小型化、高密度电子设备设计,兼顾性能稳定性与成本效益,广泛适配消费电子、工业控制等多领域应用需求。

二、核心技术参数详解

该电阻的关键参数直接决定其应用场景与性能表现,具体如下:

  • 阻值与精度:标称阻值64.9kΩ,精度等级±1%,满足常规电路设计中对阻值一致性的要求,可替代同精度同阻值的其他品牌厚膜电阻;
  • 功率与电压:额定功率62.5mW,最大工作电压50V,适合小信号调理、分压、滤波等低功耗电路,不建议用于大功率负载场景;
  • 温度特性:温度系数(TCR)±100ppm/℃,即在-55℃~+155℃的宽温范围内,每变化1℃,阻值漂移不超过0.01%,有效控制极端温度下的性能波动;
  • 工作环境:工作温度范围-55℃+155℃,覆盖工业级温度标准(通常-40℃+85℃)及部分汽车电子辅助电路的温度需求(如舱内非关键部位);
  • 封装尺寸:0402封装(英制代码,对应公制1005,即尺寸1.0mm×0.5mm),是当前小型化电子设备的主流封装之一,可显著缩小PCB布局面积。

三、典型应用场景

结合参数特性,RC-02K6492FT的核心应用场景集中在小信号处理、辅助电路领域:

  1. 消费电子:手机、平板电脑、智能穿戴设备的电源管理模块(如分压采样、基准电压调节)、音频信号滤波电路;
  2. 工业控制:小型PLC(可编程逻辑控制器)的传感器接口电路(如电阻分压式信号转换)、工业仪表的信号调理单元;
  3. 通信设备:路由器、小型基站的射频信号滤波、电源反馈回路;
  4. 汽车电子:车载信息娱乐系统的辅助电路(如按键背光分压、低功耗传感器接口),需注意其工作温度155℃可满足部分车载环境需求(非发动机舱高温区域);
  5. 物联网设备:低功耗传感器节点的信号放大、电压基准电路,适配小型化PCB设计要求。

四、产品核心优势

相较于同类产品,RC-02K6492FT具备以下优势:

  1. 小型化适配:0402封装支持高密度PCB布局,降低设备体积与重量,契合当前电子设备“轻薄化”趋势;
  2. 宽温稳定性:±100ppm/℃的温度系数在厚膜电阻中属于中等偏优水平,宽温下阻值漂移可控,减少电路设计中的温度补偿成本;
  3. 品牌可靠性:风华FH作为国内被动元件龙头厂商,厚膜电阻生产工艺成熟,产品一致性好,批量供货稳定,符合RoHS环保标准;
  4. 成本效益平衡:厚膜工艺成本低于薄膜电阻,在满足±1%精度需求的前提下,可有效降低整机BOM成本,适合大规模量产应用;
  5. 焊接兼容性:适配回流焊、波峰焊(需注意0402封装波峰焊的温度控制),焊接后性能稳定,无明显阻值漂移。

五、可靠性与使用注意事项

为保障产品长期稳定工作,需关注以下要点:

  1. 功率降额使用:建议实际使用功率不超过额定功率的50%(即≤31.25mW),延长产品寿命,避免高温下功率过载导致的性能衰减;
  2. 电压限制:最大工作电压50V为绝对上限,电路设计中需确保峰值电压不超过该值,防止过压击穿;
  3. 焊接工艺:回流焊温度曲线需符合0402封装要求(典型峰值温度230℃~245℃,时间≤30s),避免冷焊或过热导致的封装开裂、阻值变化;
  4. 存储条件:未焊接的电阻需存储在常温(15℃~35℃)、干燥(湿度≤60%RH)环境中,避免受潮影响焊接性能;
  5. 环境适应性:虽支持-55℃~+155℃工作温度,但需避免长期暴露在腐蚀性气体(如硫化物)环境中,防止厚膜层腐蚀。

六、总结

RC-02K6492FT是一款性能均衡、成本可控的0402封装厚膜贴片电阻,兼顾精度、宽温适应性与小型化需求,适合多领域中小功率电路应用。其核心参数(±1%精度、±100ppm/℃ TCR、-55℃~+155℃宽温)可满足多数常规电子设备的设计要求,是替代进口同类产品、降低成本的可靠选择。

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