WMSIC Electronic Components

RALEC RTT021201FTH

ModelRTT021201FTH
Package0402
BrandRALEC
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
RALEC RTT021201FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT021201FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
1.2kΩ
Electronic Component
10
Electronic Component
BM0265577611
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

RALEC RTT021201FTH 贴片厚膜电阻产品概述

一、产品核心身份与基本定位

RTT021201FTH是台湾旺诠(RALEC)推出的0402封装厚膜贴片电阻,属于高性价比的通用型被动元件。其设计聚焦中小功率电路的精准阻值控制,适配消费电子、工业控制、汽车电子等领域的批量应用,既满足常规电路的性能需求,又避免了高精度/高功率电阻的成本冗余。

二、关键电气参数详解

该电阻的核心参数围绕“精准、稳定、低功耗”设计,具体如下:

  • 阻值:1.2kΩ(1200Ω),符合电子电路中分压、限流、滤波等场景的常见阻值规格(如5V电源分压至1V供ADC采样);
  • 精度:±1%,属于商业级高精准度,满足多数工业/消费场景对阻值误差的要求(无需额外校准);
  • 额定功率:62.5mW(0.0625W),适配低功耗电路(如智能穿戴、传感器前端),实际应用需控制在额定功率的80%以内(≤50mW)以保障稳定性;
  • 工作电压:50V,远高于0402封装常规25V的额定值,提升了电路电压裕量,降低电击穿风险;
  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化±0.12Ω(1.2kΩ×100ppm),满足宽温环境下的阻值稳定性;
  • 工作温度范围:-55℃~+155℃,覆盖工业级宽温要求,可用于户外、车载等极端温度场景。

三、封装与物理特性

  • 封装型号:0402(英制),对应公制1005(长度1.0mm×宽度0.5mm),属于超小型贴片封装,适配高密度PCB设计(如智能手机主板、智能手环电路);
  • 工艺特点:采用厚膜丝网印刷+烧结工艺,相比薄膜电阻成本更低、阻值范围宽,且耐过载能力强(短期过载可承受额定功率的2倍左右);
  • 焊接兼容性:标准SMD引脚设计,兼容回流焊、波峰焊工艺,焊接可靠性符合IPC-A-610行业标准,无铅无卤(RoHS/REACH认证)。

四、典型应用场景

基于参数特性,该电阻适配以下场景:

  1. 消费电子:智能手机/平板的电源管理模块(分压检测、限流保护)、智能穿戴的传感器信号调理电路;
  2. 工业控制:小型PLC的I/O接口限流、传感器节点的信号滤波、低功耗物联网设备的电源分配;
  3. 汽车电子:车载仪表盘背光控制、胎压监测辅助电路、车载蓝牙模块的信号匹配;
  4. 通信设备:小型基站射频前端的辅助电路、光纤收发器的偏置电路。

五、品牌与可靠性优势

  • 品牌背景:RALEC(旺诠)是台湾老牌被动元件制造商,专注电阻研发生产30余年,产品通过ISO9001、IATF16949(汽车级)认证,供应能力覆盖全球;
  • 可靠性验证:经过高温老化(155℃×1000h)、湿度循环(-40℃+85℃)、温度冲击(-55℃+155℃循环)等测试,阻值漂移率≤0.5%;
  • 环保合规:无铅无卤,符合欧盟RoHS 2.0、REACH SVHC要求,适配绿色电子产品设计。

六、选型与使用注意事项

  1. 功率裕量:实际功率需≤50mW(额定功率80%),避免过热导致阻值漂移或失效;
  2. 电压限制:工作电压≤50V,不可用于高压电路(如≥100V场景);
  3. 焊接工艺:回流焊温度曲线需符合JEDEC标准(峰值温度245℃±5℃,时间≤10s),避免焊接温度过高损坏电阻;
  4. 存储条件:未开封产品存储于-20℃~+40℃、湿度≤60%环境,开封后建议12个月内使用完毕(防止引脚氧化)。

该电阻以“精准稳定+高性价比+宽温适配”为核心优势,是中小功率电路中替代传统插件电阻、优化PCB密度的理想选择。

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