WMSIC Electronic Components

TA-I Technology RMS12FT3301

ModelRMS12FT3301
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+

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Technical data

Product details

19 specifications

Core information

Product name
RMS12FT3301
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RMS12FT3301
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
3.3kΩ
Electronic Component
1
Electronic Component
BM0264548243
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.

RMS12FT3301厚膜贴片电阻产品概述

RMS12FT3301是大毅科技推出的一款1206封装厚膜贴片电阻,专为中小功率电子电路设计,具备阻值稳定、精度适中、宽温适应性强等特点,广泛应用于工业控制、消费电子、汽车电子等领域。

一、产品基本信息

该电阻属于常规功率型贴片电阻系列,型号命名对应核心参数:

  • RMS为大毅科技电阻产品系列代号;
  • 12F对应1206封装(英制尺寸3.2mm×1.6mm,公制3216);
  • T3301表示阻值3.3kΩ(33×10²Ω,即行业通用的3301代码)。 产品采用厚膜工艺制造,兼容无铅焊接,符合RoHS环保要求,适配自动化SMT生产流程。

二、核心性能参数解析

1. 阻值与精度

阻值固定为3.3kΩ,精度等级±1%,满足多数工业级电路的阻抗匹配、分压限流需求(如传感器信号调理、电源反馈网络等),无需额外校准即可保证基本性能稳定。

2. 功率与电压规格

额定功率250mW,是1206封装的主流功率等级,适配中小信号电路(如单片机I/O口限流、模拟电路偏置);额定工作电压200V,但实际工作需结合功率限制:( U \leq \sqrt{P \times R} \approx 28.7V ),避免过载损坏。

3. 温度特性

温度系数**±100ppm/℃**,即温度每变化1℃,阻值变化±0.01%。在-55℃~+155℃宽温范围内,阻值漂移控制在可接受范围(如155℃时相对于25℃的阻值变化约±1.3%),适合户外、车载等温度波动场景。

4. 工作温度范围

覆盖**-55℃+155℃**,符合工业级(-40℃+85℃扩展)和汽车电子(部分宽温需求)的环境要求,可在极端温度下稳定工作。

三、封装与工艺特点

1. 1206封装优势

1206封装尺寸紧凑,便于高密度PCB布局,同时保留足够的功率承载能力,平衡了电路集成度与性能,适合批量生产中的自动化组装。

2. 厚膜工艺特性

采用丝网印刷、高温烧结工艺制备电阻层,相比薄膜电阻成本更低,抗脉冲能力更强;端子采用镀锡/镀镍材料,可焊性优异,无铅焊接兼容性好,减少焊接缺陷(如虚焊、冷焊)。

四、典型应用场景

  1. 工业控制电路:PLC输入输出接口的限流电阻、传感器信号分压网络(如温度传感器、压力传感器的信号调理);
  2. 汽车电子:车载信息娱乐系统的辅助电路、车身控制模块的低压信号电路(因宽温适应性适配车载环境);
  3. 消费电子:机顶盒、路由器的电源反馈分压、信号阻抗匹配;
  4. 通信设备:基站、路由器的射频电路辅助电阻、电源模块的限流保护;
  5. 电源电路:低压直流电源的输出分压、线性稳压器的偏置电阻。

五、可靠性与品质保障

大毅科技对该产品实施严格的质量管控:

  • 出厂前100%进行阻值测试、温漂抽样测试,确保参数一致性;
  • 符合IEC 61000-4-2(静电放电)、IEC 61000-4-3(射频电磁场)等可靠性标准;
  • 厚膜工艺保证长期稳定性,平均无故障时间(MTBF)满足工业级要求,适合长期运行场景。

六、采购与适配说明

该产品可批量供应,封装形式为卷盘装(通常10000pcs/盘),适配主流SMT贴片机;若需更高功率(如500mW)或精度(如±0.1%)需求,可参考大毅科技同系列其他型号(如1210封装、RMS12FT3301F等)。

RMS12FT3301凭借平衡的性能与成本优势,成为多数电子设计中常用的基础电阻元件,适合各类中小功率电路的快速选型与应用。

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