WMSIC Electronic Components

FH RC-01W1401FT

ModelRC-01W1401FT
Package0201
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-01W1401FT
Type
FH
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-01W1401FT
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.008g
Electronic Component
1.4kΩ
Electronic Component
50
Electronic Component
BM0265104800
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

风华FH RC-01W1401FT 厚膜贴片电阻产品概述

一、产品核心定位

RC-01W1401FT是风华(FH)针对高密度PCB布局、宽温环境下的稳定信号处理推出的小体积厚膜贴片电阻。该型号以0201超小封装实现1.4kΩ阻值、±1%精度与50mW功率的平衡,覆盖消费电子、工业控制等多领域的低功率高精度需求,是紧凑电路设计的优选组件。

二、关键参数深度解析

该型号核心参数围绕“小体积下的性能稳定性”设计,各参数的实际意义与应用影响如下:

(一)阻值与精度

  • 阻值:1.4kΩ:采用贴片电阻“三位有效数字+倍数”编码(1401=140×10¹Ω),阻值准确且可通过编码快速识别;
  • 精度:±1%:满足工业级(±1%)到消费电子的高精度需求,比±5%通用电阻的阻值偏差更小,可减少信号分压、滤波电路的误差累积。

(二)功率与电压

  • 额定功率:50mW(1/20W):匹配0201封装的功率容量极限,实际应用需结合降额曲线(建议不超过额定功率的70%),避免热过载;
  • 最大工作电压:25V:连续工作电压上限,若电路存在脉冲电压需额外考虑浪涌耐受能力(厚膜电阻浪涌能力优于薄膜,典型可承受10倍额定电压的短脉冲)。

(三)温度特性与工作范围

  • 温度系数(TCR):±200ppm/℃:温度每变化1℃,阻值变化±200×10⁻⁶。以工作温度范围-55℃~+125℃为例,ΔT=180℃时,阻值最大偏差为±3.6%(1.4kΩ±50.4Ω),宽温下仍能保持信号稳定性;
  • 工作温度范围:-55℃~+125℃:覆盖工业级环境(如户外设备、车载低功率模块),低温下无阻值骤变,高温下无热失效风险。

三、封装与工艺特性

RC-01W1401FT的封装与工艺直接决定了其小体积与可靠性:

(一)0201超小封装

  • 尺寸规格:英制0201(长0.02英寸×宽0.01英寸),公制对应0402(0.4mm×0.2mm),是目前常用贴片电阻中体积最小的规格之一;
  • 布局优势:可将PCB密度提升30%以上,适配智能手机、智能穿戴等对空间要求苛刻的产品。

(二)厚膜电阻工艺

  • 结构:以高纯度氧化铝陶瓷为基底,印刷钌系厚膜电阻浆料并高温烧结,表面涂覆环氧树脂保护层;
  • 优势:
    1. 成本可控:比薄膜电阻(如镍铬薄膜)成本低30%左右,适合批量应用;
    2. 抗应力性强:陶瓷基底耐机械冲击,避免焊接或振动导致的阻值漂移;
    3. 环境适应性好:保护层可抵抗湿度、灰尘侵蚀,长期使用阻值漂移<0.5%/1000小时。

四、典型应用场景

该型号因“小体积+高精度+宽温”特性,广泛应用于以下场景:

(一)消费电子

  • 智能手机/手表:传感器信号调理(如加速度计、心率传感器的分压电路)、电源滤波(DC-DC输出滤波);
  • 蓝牙耳机:音频信号衰减、低功耗电源管理。

(二)工业控制

  • 小型PLC:I/O接口的上拉/下拉电阻、模拟量输入的信号分压;
  • 传感器模块:温度传感器(如PT100)的信号放大电路匹配电阻。

(三)物联网终端

  • 低功耗无线模块:LoRa、ZigBee的信号滤波、电源稳压的反馈电阻;
  • 智能家电:小型控制器的信号调理电路。

五、使用注意事项

为确保长期可靠性,需注意以下要点:

(一)降额使用

  • 功率降额:实际功率建议≤35mW(70%额定值),避免热老化;
  • 电压降额:连续工作电压建议≤20V,脉冲电压不超过250V(10倍额定)。

(二)焊接工艺

  • 优先采用回流焊:温度曲线需符合风华规范(峰值温度240~250℃,持续时间≤10秒);
  • 避免手工焊:0201封装过小,手工焊易导致虚焊或热损坏。

(三)存储与防护

  • 未开封电阻:存储于温度25±5℃、湿度40~60%的环境,保质期1年;
  • 开封后:尽快使用(建议1个月内),避免吸潮导致焊接不良。

六、选型对比参考

若需调整性能参数,可参考以下对比:

对比维度 RC-01W1401FT 升级款(RC-03W1401FT) 降级款(RC-01W1401FT5) 封装 0201 0402 0201 功率 50mW 125mW 50mW 精度 ±1% ±1% ±5% 适用场景 小体积高精度 高功率需求 低成本通用

该型号作为风华厚膜电阻系列的“紧凑型主力”,在性能与成本间实现了良好平衡,是多数小型化电路的可靠选择。

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