WMSIC Electronic Components

FH RC-02K1371FT

ModelRC-02K1371FT
Package0402
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-02K1371FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K1371FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
1.37kΩ
Electronic Component
50
Electronic Component
BM0265116713
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

风华RC-02K1371FT厚膜贴片电阻产品概述

一、产品核心身份定位

RC-02K1371FT是风华电子(FH)推出的0402封装厚膜贴片电阻,型号编码直接映射核心参数:

  • 前缀“RC”为风华电阻类产品通用标识;
  • “02K”指向封装规格(英制0402,公制1005,尺寸1.0mm×0.5mm);
  • “1371”为E96系列阻值编码(137×10¹=1370Ω=1.37kΩ);
  • 后缀“FT”关联精度(±1%)与温度系数(±100ppm/℃)。

该产品定位为中等精度、小功率、宽温适配的通用型贴片电阻,精准匹配高密度PCB设计需求。

二、关键性能参数深度解析

2.1 阻值与精度

阻值1.37kΩ属于E96系列(±1%精度专用阻值体系),无需定制即可满足常规电路的匹配需求。±1%的精度平衡了成本与性能:既避免高精度电阻(如±0.1%)的溢价,又能覆盖信号调理、分压、限流等场景的误差要求(如工业传感器接口的0.5%~2%误差容忍度)。

2.2 功率额定值

额定功率62.5mW(即1/16W),是0402封装厚膜电阻的典型功率等级。需注意:该值为25℃环境下的额定值,高温场景需按降额曲线使用(如155℃时功率降额至约10mW),避免长期过功率导致阻值漂移或失效。

2.3 温度系数与宽温范围

温度系数(TCR)±100ppm/℃,表示每变化1℃,阻值变化±100ppm。以极限温差(-55℃→155℃,温差210℃)计算,阻值最大变化量为:
1.37kΩ × 100ppm × 210 = 28.77Ω(约2.1%)。
虽略高于精度指标,但实际应用中温度波动远小于极限值(如车载环境通常为-40℃~85℃),因此可稳定适配宽温场景。

工作温度-55℃+155℃,覆盖汽车级(-40℃125℃)与工业级(-55℃~125℃)核心需求,部分高温场景(如LED驱动模块)也可兼容。

三、封装与工艺特性

3.1 0402小封装优势

0402封装(1.0mm×0.5mm)是贴片电阻中尺寸较小的规格之一,能大幅节省PCB空间,适配智能手机、智能穿戴、小型通信模块等高密度集成设计。其焊盘尺寸与贴装工艺成熟,可兼容常规SMT生产线(贴装精度要求≤±0.1mm)。

3.2 厚膜工艺特点

采用厚膜陶瓷工艺制造:将钌基电阻浆料丝网印刷在氧化铝陶瓷基片上,经1000℃以上高温烧结形成电阻层,再覆盖玻璃保护层。相比薄膜电阻,厚膜工艺具有:

  • 成本更低,性价比突出;
  • 耐过载能力更强(短时间过功率≤2倍额定值不易失效);
  • 阻值范围覆盖更广(从几Ω到几MΩ)。

该工艺确保了产品长期稳定性:经老化测试(125℃/1000小时)后,阻值漂移率通常≤0.5%。

四、典型应用场景

RC-02K1371FT的参数匹配多种常规电路,核心应用包括:

  1. 消费电子:智能手机音频滤波、电源分压、智能手环充电管理电路;
  2. 汽车电子:车载中控小功率控制模块、胎压监测(TPMS)辅助电路(宽温特性适配车载环境);
  3. 工业控制:小型PLC输入输出接口、温度传感器信号调理电路;
  4. 通信设备:路由器射频前端偏置电路、电源模块限流电阻;
  5. 医疗设备:便携式血糖仪信号放大电路(需确认医疗级认证,该型号可满足基础要求)。

五、可靠性与品质保障

风华作为国内老牌元器件厂商,RC-02K1371FT通过多项可靠性测试:

  • 耐湿测试(85℃/85%RH,1000小时):阻值变化≤1%;
  • 温度循环测试(-55℃~155℃,1000次循环):无开路/短路,阻值变化≤2%;
  • 焊端强度测试:符合IPC-J-STD-001标准,抗机械应力能力强。

产品遵循ISO9001质量体系,部分批次通过IATF16949汽车电子认证,适配对可靠性要求较高的场景。

六、选型与采购建议

  1. 选型匹配:若需更高精度(±0.1%),可选择风华同封装薄膜电阻(如RC-02K1371F);若需更大功率(1/8W),需切换至0603封装;
  2. 采购注意:该型号为标准品,供货稳定,包装为1000pcs/盘,需确认批次一致性;
  3. 降额使用:高温场景需按datasheet降额曲线使用,避免过功率失效。

该产品以高性价比、宽温适配性与小封装优势,成为消费电子、汽车电子等领域的通用优选电阻。

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