WMSIC Electronic Components

FH RC-01W4702FT

ModelRC-01W4702FT
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-01W4702FT
Type
FH
Minimum package
15000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-01W4702FT
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.008g
Electronic Component
47kΩ
Electronic Component
10
Electronic Component
BM0226868986
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-01W4702FT 厚膜贴片电阻产品概述

RC-01W4702FT是风华电子(FH品牌)推出的一款高性价比厚膜贴片电阻,采用超小型0201封装,以精准阻值控制、宽温适应性及稳定电气特性,成为消费电子、工业控制、通信设备等领域低功耗电路设计的优选元件。以下从核心参数、工艺特性、应用场景等维度展开详细概述。

一、核心参数精准定义与性能优势

RC-01W4702FT的核心参数经过严格管控,适配多场景电路需求:

  • 阻值与精度:额定阻值47kΩ(标识代码4702),精度±1%,属于精密级电阻范畴,相比±5%普通电阻,可有效降低分压、滤波等功能的偏差,满足信号调理的精准性要求;
  • 功率与电压:额定功率50mW,对应0201封装的典型功率等级,适配低功耗电路设计;额定工作电压25V,确保电路中不会因过压击穿,保障电气安全;
  • 温度特性:温度系数±200ppm/℃(温度每变化1℃,阻值漂移±200×10⁻⁶);工作温度范围-55℃~+125℃,覆盖工业现场、车载周边等场景的宽温需求,极限温差下总阻值漂移约±3.6%,仍保持相对稳定;
  • 封装尺寸:0201封装(英制0.02″×0.01″,公制约0.51mm×0.25mm),超小型设计适配高密度PCB,满足便携设备小型化趋势。

二、工艺与材质特性解析

RC-01W4702FT采用厚膜电阻工艺,平衡性能与成本优势:

  • 厚膜制造工艺:以高纯度氧化铝陶瓷为基片,通过丝网印刷涂覆钌基电阻浆料,经高温烧结形成致密电阻膜,再激光微调实现精准阻值;相比薄膜电阻成本更低,相比绕线电阻体积更小,兼顾性能与经济性;
  • 端电极结构:三层端电极设计(银钯层+镍阻挡层+无铅焊料层),镍层防止银迁移,焊料层适配回流焊/波峰焊,焊接可靠性高,且具备抗硫化性能,适应潮湿、含硫环境;
  • 膜层稳定性:烧结膜层致密,额定工作条件下长期阻值变化率≤±0.5%,确保电路长期稳定。

三、典型应用场景适配

结合参数与工艺,RC-01W4702FT适配以下场景:

  • 消费电子:智能手机、智能手表、蓝牙耳机的信号滤波、分压电路,0201封装节省PCB空间,适配设备小型化;
  • 工业控制:PLC、传感器信号调理电路、小型工业电源辅助电路,宽温范围适应工业现场高低温;
  • 通信设备:小型基站、路由器、无线模块的信号衰减、射频阻抗匹配,低功耗符合通信设备要求;
  • 汽车电子周边:车载仪表盘、倒车雷达辅助电路、车载充电器模块,宽温特性适配车载温度波动。

四、可靠性与环境适应性

RC-01W4702FT经过多轮可靠性测试,适应复杂环境:

  • 抗温变:±200ppm/℃温度系数经管控,宽温下阻值漂移可控,避免电路性能波动;
  • 耐湿抗腐蚀:陶瓷基片耐湿性优异,镍层防止银迁移与硫化,适应潮湿、沿海含硫环境;
  • 焊接可靠:适配标准贴片工艺,焊接符合IPC-A-610标准,通过跌落、振动测试(一般工业/消费级要求);
  • 环保合规:符合RoHS 2.0、REACH指令,无铅无镉,适配全球市场。

五、品牌与品质保障

RC-01W4702FT由风华电子生产,具备完善品质体系:

  • 品牌优势:30余年厚膜电阻生产经验,覆盖多领域市场,认可度高;
  • 认证资质:通过ISO 9001、部分系列IATF 16949认证,确保品质一致性;
  • 批次管控:每批次抽样检测阻值、精度、温度系数,参数差异极小,适配批量生产。

总结

RC-01W4702FT作为高性价比厚膜贴片电阻,以0201超小型封装、±1%精准阻值、宽温适应性为核心优势,适配多领域低功耗电路的信号调节、阻抗匹配与功率控制需求,是高密度PCB设计中平衡性能与成本的优选元件。

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