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FH RC-01W3901FT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FH RC-01W3901FT
- Type
- FH
- Minimum package
- 15000 圆盘
Technical parameters
- Power
- 50mW
- Electronic Component
- Electronic Component
- Electronic Component
- FH
- Electronic Component
- RC-01W3901FT
- Electronic Component
- 1
- Package
- 0201
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.008g
- Electronic Component
- 3.9kΩ
- Electronic Component
- 50
- Electronic Component
- BM0263677048
- 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.
RC-01W3901FT厚膜贴片电阻产品概述
RC-01W3901FT是风华电子（FH）推出的一款0201封装小功率厚膜贴片电阻，专为高密度、低功耗电子电路设计，兼顾性能稳定性与成本可控性，广泛适用于消费电子、小型工业设备等场景，是替代传统插件电阻、提升PCB集成度的理想选择。
一、产品核心定位
该电阻属于厚膜贴片电阻范畴，主打**「小体积+稳定精度+宽温适用」** 三大核心特性，针对信号调理、分压偏置、滤波等低功耗电路场景优化——既满足小型化设备的集成需求，又能在极端温度环境下保持性能稳定，平衡了成本与可靠性。
二、关键参数详情
参数项 规格值 实际意义 标称阻值 3.9kΩ（3900Ω） 信号级电路常用阻值，适配分压、限流、滤波等基础功能 精度等级 ±1% 高于普通碳膜电阻（±5%），满足对阻值偏差要求较严格的信号调理需求（如传感器放大） 额定功率 50mW（0.05W） 小功率设计，适配低功耗电路（如MCU外围、蓝牙模块偏置） 最大工作电压 25V（DC/AC峰值） 电压安全上限，避免过压击穿 温度系数（TCR） ±200ppm/℃ 厚膜电阻典型范围，温度变化（-55℃~125℃）对阻值影响极小 工作温度范围 -55℃ ~ +125℃ 符合工业级宽温要求，可用于户外设备、车载辅助电路等极端场景 封装尺寸 0201（英制） 约0.5mm×0.25mm，比0402封装缩小60%，高密度PCB布局友好 品牌 风华电子（FH） 国内电子元器件龙头，产品可靠性经汽车、工业领域长期验证三、封装与工艺优势
0201小封装高密度
体积仅为0.02英寸×0.01英寸，可在1cm²PCB上布局超1000个该电阻，完美适配智能手机、智能穿戴、蓝牙耳机等小型化终端；厚膜工艺平衡性能与成本
采用「厚膜印刷+高温烧结」工艺，相比薄膜电阻成本降低30%以上，且抗浪涌能力更强；同时避免了碳膜电阻的噪声大、温漂大问题，稳定性优于普通电阻；焊接兼容性强
适配回流焊、波峰焊等常规贴片工艺，焊接温度范围（220℃~260℃）符合行业标准，加工良品率≥99.5%。
四、典型应用场景
该电阻的参数特性决定其主要用于低功耗信号级电路，常见场景包括：
- 消费电子终端：智能手机PMU分压电路、蓝牙耳机信号滤波、智能手表传感器偏置；
- 小型工业设备：小型PLC输入输出限流、PT100温度传感器放大电路分压；
- 物联网节点：ESP32-C3等低功耗MCU外围偏置、传感器节点信号放大；
- 汽车辅助电路：车载USB过流保护限流、仪表盘背光分压调节（需确认整车温湿度要求）。
五、性能优势总结
- 集成度高：0201小封装实现PCB高密度布局，满足小型化设备需求；
- 稳定性强：±1%精度+±200ppm/℃ TCR，宽温范围内阻值偏差≤0.8%（125℃时）；
- 可靠性好：风华工艺成熟，抗振动（10G/500Hz）、抗温湿度（85℃/85%RH）能力优于行业平均；
- 成本可控：厚膜工艺替代薄膜电阻，批量应用时BOM成本降低20%~30%。
六、选型与使用注意事项
- 功率降额：实际使用功率需控制在额定功率的80%以内（≤40mW），100℃以上环境需降额至50%（≤25mW）；
- 电压限制：电路电压不得超过25V（峰值），避免过压击穿；
- 焊接规范：回流焊峰值温度≤260℃，时间≤10s，避免过温导致电阻性能下降；
- 存储要求：未焊接电阻需存于常温（15℃~35℃）、干燥（湿度<60%）环境，避免引脚氧化。
RC-01W3901FT作为风华电子的经典小功率厚膜电阻，凭借其小体积、稳定性能与高可靠性，已成为消费电子、小型工业设备等领域的主流选型，可满足大多数低功耗信号电路的设计需求。
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