WMSIC Electronic Components

FOJAN FRC0402F4301TS

ModelFRC0402F4301TS
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 FRC0402F4301TS
Type
FOJAN
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FOJAN
Electronic Component
FRC0402F4301TS
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.01g
Electronic Component
4.3kΩ
Electronic Component
10
Electronic Component
BM0265139396
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.

FRC0204F4301TS 厚膜贴片电阻产品概述

一、产品定位与典型应用场景

这款由富捷(FOJAN)推出的FRC0402F4301TS,是针对小型化、低功耗电子设备设计的厚膜贴片电阻,核心阻值4.3kΩ,精度±1%,封装0402,适配高密度贴装需求。

从实际落地场景来看,它能精准匹配多个领域:

  • 便携式数码产品:手机音频电路的分压电阻、智能手环/手表的传感器信号调理电阻(比如心率传感器的滤波环节);
  • 智能家居与物联网设备:温湿度传感器的信号匹配电阻、智能插座的控制电路限流电阻;
  • 小型电源模块:DC-DC转换器的反馈分压电阻、线性稳压器的输出负载电阻;
  • 汽车电子辅助电路:胎压监测模块的信号隔离电阻、车载USB充电的限流电阻(适配-40℃~125℃的汽车常规温区,宽温性能足够)。

这些场景的共性是“空间紧凑+精度要求适中+低功耗”,FRC0402F4301TS刚好切中需求。

二、核心参数详解(关键性能一目了然)

要理解这款电阻的实际价值,得把参数的应用意义讲透,而非干列数字:

1. 阻值与精度:4.3kΩ ±1%

阻值4.3kΩ(即4300Ω)是电路中“承上启下”的常用阻值,适合分压、限流、滤波等基础功能;±1%的精度意味着实际阻值在4.257kΩ~4.343kΩ之间——比如在分压电路中,能保证输出电压偏差控制在1%以内,避免信号失真,比±5%的通用电阻稳定得多。

2. 功率与电压:62.5mW(额定)、50V(工作上限)

  • 额定功率62.5mW:指25℃环境下,电阻能长期稳定工作的最大功率。换算成电流的话,最大允许电流约为3.87mA(公式:I=√(P/R)=√(0.0625/4300));
  • 工作电压50V:是短时间内(如脉冲、瞬态电压)能承受的最大电压,但长期工作不能超额定功率——比如加50V电压时,功耗约0.58W(远大于62.5mW),会导致电阻过热,必须避免。

3. 温度系数与温区:±100ppm/℃、-55℃~+155℃

  • 温度系数±100ppm/℃:温度每变化1℃,阻值变化±0.01%。举个实际例子:从-55℃(低温极限)升到155℃(高温极限),温差210℃,阻值最大变化±2.1%,这个稳定性对多数工业/消费电子场景足够;
  • 宽温范围:覆盖工业级(-40℃+85℃)和部分汽车级(-40℃+125℃)温区,甚至能应对155℃极端高温,适配户外设备、高温环境下的电路。

三、封装与工艺:小型化+高可靠性

1. 0402封装:空间“挤一挤”也能装

0402封装的尺寸是1.0mm×0.5mm(约指甲盖的1/20大小),是贴片电阻中较小型的封装之一。核心优势:

  • 提高PCB集成度:同样面积的PCB能贴更多元件,适合“越做越小”的电子设备;
  • 贴装效率高:兼容主流SMT贴片机,批量生产时速度快,成本可控。

2. 厚膜工艺:成本与性能的平衡

这款电阻采用厚膜电阻工艺,核心是在陶瓷基底上通过丝网印刷、高温烧结形成电阻膜,再加上电极和保护膜。相比薄膜电阻:

  • 成本更低:适合中低端消费电子的批量需求;
  • 稳定性好:厚膜的电阻膜厚度大(约10~100μm),抗机械应力、抗湿度能力强,长期工作阻值漂移小;
  • 抗浪涌一般:若为高压、大电流浪涌场景,不如薄膜,但满足常规需求。

四、品牌与品质保障:FOJAN的可靠性背书

富捷(FOJAN)是国内专注被动元件的老牌厂商,FRC0402F4301TS的品质有三个核心保障:

  • 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅无镉,适配出口产品;
  • 批量一致性:生产线采用自动化控制,批量电阻的阻值、精度偏差极小,适合大规模生产;
  • 可靠性测试:经过高低温循环、湿度老化、振动测试等,能应对便携式设备的跌落、汽车的行驶振动等场景。

五、总结:适合谁用?

如果你的项目需要:

  • 0402封装的小型化电阻;
  • 4.3kΩ阻值、±1%精度的稳定性能;
  • 低功耗(≤62.5mW)、宽温(-55~155℃)的环境适应性;
  • 成本可控的批量采购;

那FRC0402F4301TS就是很合适的选择,覆盖从消费电子到工业级的多数场景,是一款“够用、稳定、不贵”的实用型电阻。

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