WMSIC Electronic Components

TA-I RM12FTN1001

ModelRM12FTN1001
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
RM12FTN1001
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RM12FTN1001
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
1kΩ
Electronic Component
1
Electronic Component
BM0264546740
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.

RM12FTN1001厚膜片式电阻产品概述

RM12FTN1001是大毅科技推出的一款高性价比厚膜片式电阻,采用1206封装(英制尺寸),专为中小功率精密电路设计,具备阻值稳定、环境适应性强等特点,广泛应用于消费电子、工业控制、通信等领域。

一、产品基本信息

RM12FTN1001的型号命名与核心基础信息对应关系清晰:

  • 电阻类型:厚膜片式电阻(Thick Film Chip Resistor),通过丝网印刷厚膜电阻浆料于陶瓷基片上制成,兼顾成本与性能;
  • 封装尺寸:1206(英制),公制尺寸为3.2mm×1.6mm×0.55mm(典型值),适配主流表面贴装(SMT)生产线;
  • 阻值与精度:标称阻值1kΩ(1000Ω),精度±1%,满足多数精密电路对阻值偏差的要求;
  • 功率容量:250mW(1/4W),为1206封装电阻的常规功率等级,适配中小电流负载;
  • 品牌与系列:大毅科技自主研发的常规厚膜电阻系列,品质管控符合国际电子元件标准。

二、核心性能参数详解

(1)阻值与精度特性

标称阻值1kΩ±1%,属于精密级电阻范畴,相比±5%的普通电阻,能更好地保障电路的信号精度(如分压电路的输出电压稳定性、运放反馈网络的增益准确性)。实际应用中,需注意温度变化对阻值的影响(见温度系数部分)。

(2)功率与电压限制

  • 额定功率:250mW,指在25℃环境温度下,电阻长期工作时允许消耗的最大功率;若环境温度升高,需降额使用(如155℃时功率降额至约125mW);
  • 最大工作电压:200V,需结合阻值计算最大工作电流(I=V/R=200V/1000Ω=200mA)。实际使用中,需同时满足功率≤250mW和电压≤200V的双重限制(如150mA电流时,功率=I²R=22.5mW,电压=150V,均在限制内)。

(3)温度系数(TCR)

温度系数为±100ppm/℃,其物理意义为:环境温度每变化1℃,电阻值变化量为标称阻值的100×10^-6。以1kΩ为例:

  • 温度变化10℃:阻值变化±1Ω(1kΩ×100ppm×10℃=±1Ω);
  • 温度变化100℃:阻值变化±10Ω(±1%标称阻值)。 该TCR水平满足普通工业环境(-40℃~+85℃)的稳定性要求,若需更高温度稳定性,需选择金属膜或合金电阻,但成本更高。

(4)工作温度范围

  • 存储温度:通常为-55℃~+155℃(与工作温度一致,行业常规);
  • 工作温度:-55℃+155℃,覆盖工业级(-40℃+85℃)、汽车级部分场景(-40℃~+125℃),高温适应性优于多数普通片式电阻。

三、典型应用场景

RM12FTN1001因性能均衡、成本适中,适用于以下场景:

  1. 消费电子:手机、平板的信号调理电路(如音频放大的偏置电阻)、智能家居设备的传感器分压电路;
  2. 工业控制:PLC(可编程逻辑控制器)的模拟量输入/输出通道(如4~20mA电流环的限流电阻)、变频器的辅助控制电路;
  3. 通信设备:基站射频单元的辅助电路(如电源滤波的分压电阻)、路由器的电源管理模块;
  4. 汽车电子:车载娱乐系统的信号电阻、辅助传感器电路(如温度传感器的匹配电阻);
  5. 电源管理:DC-DC转换器的反馈网络(如输出电压分压采样)、线性稳压器的限流电阻。

四、可靠性与工艺兼容性

(1)可靠性保障

  • 厚膜电阻结构稳定,抗冲击、抗振动性能优于薄膜电阻;
  • 经长期负载寿命试验(如1000小时额定功率下工作),阻值变化率通常≤±0.5%,满足多数应用的长期稳定性要求;
  • 符合RoHS2.0、REACH等环保指令,无铅焊接兼容(符合IPC标准)。

(2)工艺兼容性

适配主流表面贴装工艺:

  • 回流焊:温度曲线符合J-STD-020标准(峰值温度240℃~260℃);
  • 波峰焊:可兼容(需注意焊接时间与温度,避免过热损坏);
  • 手工焊接:适合小批量试产,焊接温度控制在350℃~370℃,时间≤3秒。

五、品牌与品质优势

大毅科技作为台湾地区知名电子元件制造商,在片式电阻领域具备20+年研发生产经验:

  • 自动化生产线覆盖率达90%以上,确保产品一致性;
  • 严格的出厂检测(100%阻值测试、温度系数抽样检测);
  • 全球供应网络,可满足批量订单与小批量试产需求;
  • 提供技术支持(如降额曲线、应用电路参考),帮助客户优化设计。

综上,RM12FTN1001是一款性能均衡、性价比高的厚膜片式电阻,适用于多数中小功率精密电路场景,是电子工程师设计选型的常规可靠选择。

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