WMSIC Electronic Components

FOJAN FRC0402F4993TS

ModelFRC0402F4993TS
Package0402
BrandFOJAN
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
FOJAN FRC0402F4993TS
Type
FOJAN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FOJAN
Electronic Component
FRC0402F4993TS
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.01g
Electronic Component
499kΩ
Electronic Component
1
Electronic Component
BM0264525331
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.

FRC0402F4993TS厚膜贴片电阻产品概述

一、产品定位与核心身份

FRC0402F4993TS是富捷电子(FOJAN)推出的0402封装通用型厚膜贴片电阻,属于小功率高精度系列产品。该型号以稳定的电气性能、宽温适应性为核心特点,适配便携式电子、工业控制、消费电子等多领域的信号调理、分压滤波等场景,是替代传统插件电阻、实现电路小型化的优选元件之一。

二、关键性能参数详解

该型号的核心参数围绕阻值精度、功率容量、温区适应性展开,具体如下:

  1. 阻值与精度:标称阻值499kΩ(代码“4993”对应499×10³Ω),精度等级±1%,满足信号链路中对阻值一致性的基础要求,避免因阻值偏差导致的信号失真;
  2. 功率与电压:额定功率62.5mW(0.0625W),最大工作电压50V——需注意:功率与电压需匹配使用(实际功耗需满足(P \leq U^2/R)),50V为极限工作电压(非额定功率对应的电压值);
  3. 温度特性:温度系数(TCR)±100ppm/℃,即温度每变化1℃,阻值变化量不超过标称值的0.01%;工作温度范围-55℃~+155℃,覆盖工业级宽温需求,可适应高低温交替的极端环境;
  4. 封装尺寸:采用0402英制封装(对应公制1005,实际尺寸约1.0mm×0.5mm×0.35mm),体积紧凑,适合高密度PCB布线。

三、封装与工艺特性

FRC0402F4993TS采用厚膜丝网印刷工艺制备,核心工艺特点包括:

  • 浆料配方优化:富捷自主研发的电阻浆料兼顾稳定性与成本,烧结后形成致密电阻层,长期使用阻值漂移小;
  • 封装兼容性:0402封装适配主流SMT贴装设备,焊接兼容性好,支持回流焊、波峰焊(需注意波峰焊温度控制),符合RoHS 2.0及无卤环保要求;
  • 机械强度:封装结构紧凑,抗振动、抗冲击性能满足IPC-A-610标准,适合便携式设备的跌落测试场景。

四、典型应用场景

该型号因小功率、高精度、宽温特性,广泛应用于以下领域:

  1. 便携式电子:智能手机、智能穿戴设备的信号分压网络、LED驱动限流、传感器信号调理电路;
  2. 工业控制:PLC模块的模拟量输入滤波、电机驱动的小电流采样、温度传感器的信号放大偏置;
  3. 消费电子:机顶盒、路由器的电源滤波、WiFi模块的阻抗匹配;
  4. 汽车电子:车载显示屏的背光控制、传感器节点的信号调理(需确认具体车规认证,本型号基础温区满足辅助类汽车电子需求);
  5. 医疗设备:小型监护仪的生理信号采集电路、输液泵的流量控制单元。

五、可靠性与环境适应性

FRC0402F4993TS的可靠性经过多轮测试验证,核心表现为:

  • 宽温稳定性:在-55℃~+155℃范围内,阻值变化率≤±1.5%(满温区循环后),满足工业现场高低温交替的使用需求;
  • 长期可靠性:在85℃/85%RH的湿热环境下,1000小时后阻值漂移≤±0.5%,符合厚膜电阻的长期稳定标准;
  • 焊接可靠性:回流焊后剪切强度≥10N,无虚焊、立碑等缺陷,适配批量生产的良率要求。

六、选型与使用注意事项

  1. 功率降额:在高温环境下(如125℃以上),需按25℃额定功率的50%~70%降额使用,避免过热导致阻值漂移;
  2. 精度匹配:若需更高精度(如±0.1%)或更低温漂(如±50ppm/℃),需选择同封装的薄膜电阻型号,但成本更高;
  3. 贴装要求:0402封装体积小,需使用高精度贴片机(贴装精度≤±0.05mm),避免偏贴导致焊接不良;
  4. 环保要求:产品符合RoHS 2.0(无铅、无镉、无汞),可直接用于欧盟、北美等环保要求严格的市场。

综上,FRC0402F4993TS是一款性能均衡、性价比突出的通用厚膜贴片电阻,可满足多数中低端到中端电子设备的小功率高精度需求,是电路小型化设计的可靠选择。

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