WMSIC Electronic Components

TA-I Technology RMS12FT3003

ModelRMS12FT3003
Package1206
BrandElectronic Component
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
RMS12FT3003
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS12FT3003
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
300kΩ
Electronic Component
1
Electronic Component
BM0265676244
Operating Temperature
55℃~+155℃
Operating Voltage
200V
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.

RMS12FT3003 片式厚膜电阻产品概述

一、产品基本定位

RMS12FT3003是大毅科技推出的1206封装片式厚膜电阻,属于常规功率型表面贴装元件,针对工业控制、汽车电子、消费电子等领域的中等精度、中等功率电路需求设计,兼顾性能稳定性与成本效益,是电子电路中分压、限流、偏置等基础应用的常用元件。

二、核心性能参数详解

该型号电阻的关键参数可支撑多种典型应用场景,具体如下:

  1. 阻值与精度:标称阻值300kΩ(代码标识为“3003”),精度等级±1%,满足模拟电路、传感器信号调理等对阻值一致性要求不苛刻但需避免较大误差的场景;
  2. 功率与电压:额定功率250mW(即1/4W),最大工作电压200V,可覆盖低压直流电路(如5V~24V电源)及中压交流/直流电路(如LED驱动、小功率电源滤波)的功率需求;
  3. 温度特性:温度系数(TCR)为±100ppm/℃,意味着当环境温度从-55℃变化至+155℃(温差210℃)时,阻值最大变化量约为±2.1%,在宽温环境下仍能保持相对稳定的电气性能;
  4. 工作温度范围:-55℃~+155℃,符合汽车电子(AEC-Q200相关要求)、工业控制等对宽温适应性要求的领域标准。

三、封装与工艺优势

  1. 1206封装特点:采用国际通用的1206封装(公制尺寸3.2mm×1.6mm×0.5mm左右),体积小巧,兼容主流SMT贴装设备,适合高密度PCB布局,可有效节省电路板空间;
  2. 厚膜工艺特性:通过丝网印刷电阻浆料、高温烧结、电极制备等厚膜工艺制造,相比薄膜电阻成本更低,功率密度适中(约0.1W/mm²),同时具备较好的耐过载、抗冲击性能,适合批量生产与长期使用。

四、典型应用场景

RMS12FT3003的参数特性使其适配以下常见电路:

  1. 工业控制领域:PLC模块中的信号分压电路、传感器接口的偏置电阻、小型电机驱动的限流电阻;
  2. 汽车电子领域:车载显示屏的背光驱动电路、车身控制系统的信号调理电路(符合宽温与可靠性要求);
  3. 消费电子领域:智能家居设备(如智能插座、温控器)的电源分压电路、小型家电的控制电路;
  4. 电源电路:小功率开关电源的反馈分压网络、线性电源的限流电阻。

五、可靠性与环境适应性

大毅科技作为专业电子元件厂商,该型号电阻通过多项可靠性测试:

  • 热冲击测试:符合IEC 60068-2-14标准,可承受-55℃~+155℃循环冲击;
  • 耐湿性测试:在高温高湿环境(如60℃/95%RH)下长期工作阻值变化率≤1%;
  • 过载测试:施加1.25倍额定功率或1.5倍额定电压,阻值变化率≤0.5%,具备一定的过载裕量。

整体来看,RMS12FT3003以平衡的性能参数、成熟的封装工艺及可靠的环境适应性,成为电子电路设计中基础电阻选型的实用选项,尤其适合对精度、功率、温宽有中等要求的批量应用场景。

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