WMSIC Electronic Components

FH RS-05K470JT

ModelRS-05K470JT
Package0805
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 RS-05K470JT
Type
FH
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RS-05K470JT
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
47Ω
Electronic Component
1
Electronic Component
BM0263676969
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

RS-05K470JT 厚膜贴片电阻产品概述

一、产品核心身份与定位

RS-05K470JT是风华(FH)品牌推出的通用型厚膜贴片电阻,型号命名对应其核心特性:“RS”代表厚膜贴片电阻系列,“05”对应0805封装,产品定位为中小功率电子电路的阻值控制元件,兼顾成本与可靠性,适配消费电子、工业控制、汽车电子等多领域的批量生产需求。

二、关键性能参数详解

本产品参数经风华标准化测试,核心指标如下:

  1. 阻值与精度:标称阻值47Ω(欧姆),精度±5%——属于商业级通用精度,可满足绝大多数非精密电路(如分压、限流、滤波)的阻值匹配需求,无需额外校准即可稳定工作。
  2. 功率等级:额定功率125mW(1/8W)——0805封装的功率升级款(常规0805电阻多为100mW/1/10W),功率冗余性更好,可降低长期热老化风险,延长电路寿命。
  3. 工作电压:额定工作电压150V——需注意:实际安全电压需结合功率计算((V=\sqrt{P×R}=\sqrt{0.125W×47Ω}≈2.42V)),150V为封装绝缘的最大电压上限,实际使用取两者较小值。
  4. 温度系数(TC):±100ppm/℃——每变化1℃,阻值变化0.01%;以47Ω为例,100℃温差下阻值变化仅约0.47Ω,满足宽温环境下的基本稳定性。
  5. 工作温度范围:-55℃+155℃——超出常规商业级电阻(0℃70℃)的温区,可适配汽车电子(-40℃85℃)、工业户外设备(-20℃125℃)等 harsh 环境。

三、封装与物理特性

本产品采用0805贴片封装(英制:0.08″×0.05″,公制:2.0mm×1.2mm),是电子行业最常用的中小封装之一,物理特性如下:

  • 焊盘尺寸符合IPC-7351标准,适配主流SMT产线自动化焊接,无虚焊、脱落风险;
  • 厚度约0.55mm,重量约0.01g,支持高密度PCB设计(如手机、智能穿戴的小型化电路);
  • 封装材料为高温陶瓷基片+厚膜电阻浆料,表面涂覆耐温环氧树脂,抗机械损伤与环境腐蚀。

四、适用场景与应用优势

(一)典型应用场景

  1. 消费电子:手机、平板的电源滤波电路(VCC分压、EMI抑制);
  2. 工业控制:PLC信号调理电路、传感器接口的限流电阻;
  3. 汽车电子:车载中控小功率驱动、胎压监测辅助电路(适配宽温);
  4. 通信设备:基站辅助电源分压网络、路由器信号匹配电路。

(二)核心优势

  1. 宽温适配:-55℃~+155℃覆盖汽车、工业 harsh 环境,减少温度对电路性能的影响;
  2. 功率冗余:125mW较常规0805电阻高25%,热应力更小,可靠性更高;
  3. 成本可控:厚膜工艺比薄膜电阻成本低30%左右,适合批量生产;
  4. 品牌可靠:风华符合RoHS、REACH环保标准,批量供货稳定,售后有保障。

五、可靠性与环境适应性

本产品通过行业标准认证,关键可靠性指标:

  • 耐浪涌:承受10倍额定功率浪涌(1000次循环),阻值变化≤1%;
  • 耐湿热:40℃/93%RH环境下1000小时,阻值变化≤1%;
  • 焊接可靠:符合IPC J-STD-001标准,回流焊后无焊接缺陷;
  • 长期稳定:工作1000小时后阻值变化≤1%,满足商业级电路长期使用需求。

六、选型与替代参考

若需扩展选型,可参考:

  • 同参数替代:风华同系列0805封装47Ω±5% 125mW电阻、其他品牌(如国巨、三星)同类产品;
  • 精度升级:需±1%精度可选风华RT系列0805封装47Ω±1%电阻;
  • 功率升级:需1/4W功率可选风华RS-05P470JT(0805封装功率型)。

本产品以“宽温、小体积、高可靠性”为核心,是中小功率电子电路的高性价比选择。

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