WMSIC Electronic Components

RALEC RTT031213FTP

ModelRTT031213FTP
Package0603
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT031213FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT031213FTP
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
121kΩ
Electronic Component
10
Electronic Component
BM0263504733
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

RTT031213FTP 厚膜贴片电阻产品概述

一、产品基本定位与核心标识

RTT031213FTP是RALEC旺诠推出的一款厚膜贴片电阻,型号中各字符对应明确:

  • “RTT”为旺诠厚膜电阻系列代号;
  • “0312”对应0603封装(英制尺寸标识,公制为1608);
  • “1213”代表标称阻值121kΩ(前三位有效数字121,第四位倍率10³);
  • “FTP”为规格后缀(关联精度、功率等参数)。

该产品定位为小型化精密电阻,兼顾成本与性能,适用于多数电子设备的通用及精密电路设计。

二、关键电气性能参数详解

核心参数明确了应用边界与性能表现,具体如下:

  1. 阻值与精度:标称121kΩ,精度±1%,实际阻值范围为119.79kΩ~122.21kΩ,满足运算放大器反馈、信号分压等精密电路需求;
  2. 功率与功耗:额定功率100mW(1/10W),环境温度25℃下可长期稳定工作;温度升高需按降额曲线降低实际功耗(旺诠提供降额表参考);
  3. 工作电压限制:最大75V(直流/交流峰值),需避免过压导致击穿;
  4. 温度稳定性:温度系数(TCR)±100ppm/℃,即每℃阻值变化±12.1Ω,宽温下变化可控;
  5. 工作温度范围:-55℃~+155℃,覆盖工业级极端环境要求。

三、0603封装的物理特性与适配性

采用0603贴片封装(公制1608,尺寸:长1.6mm±0.15mm、宽0.8mm±0.15mm、厚0.45mm±0.10mm),具备三大优势:

  • 小型化适配:紧凑尺寸适合高密度PCB布局(如智能手机、智能手表、小型传感器模块);
  • 自动化生产:兼容SMT生产线,贴装效率高,适合大规模批量制造;
  • 机械可靠性:封装坚固,抗振动/冲击性能较好,满足车载、手持设备需求。

四、RALEC旺诠品牌的可靠性保障

旺诠作为全球被动元器件龙头,该产品具备品牌级可靠性:

  • 工艺成熟:厚膜电阻采用“印刷陶瓷基片+电阻浆料”工艺,成本适中且稳定性优于碳膜电阻,抗浪涌能力较强;
  • 合规认证:符合RoHS 2.0、REACH环保标准,无铅无镉;通过ISO 9001认证,产品一致性好;
  • 长期稳定:1000小时长期漂移率≤0.5%,满足产品生命周期性能需求。

五、典型应用场景

结合参数与封装特性,典型应用包括:

  1. 精密模拟电路:运算放大器(LM358、OP07)反馈电阻、ADC/DAC参考分压;
  2. 低功耗便携设备:智能手机、智能手环的电源滤波、信号调理;
  3. 工业控制模块:PLC输入输出接口、传感器信号放大(宽温适配工业环境);
  4. 消费电子:智能插座、加湿器的控制电路、LED驱动限流电阻;
  5. 小型家电:温控器、加湿器的信号调理电路。

六、使用与选型注意事项

  1. 功率/电压降额:环境温度超25℃时需降额(如125℃时额定功率降为50mW);实际电压需同时满足≤75V且功耗≤100mW;
  2. 温度系数适配:若电路需极高稳定性(如高精度测量),需确认±100ppm/℃是否满足,否则可选旺诠薄膜电阻;
  3. 贴装工艺:0603封装需贴装精度≤±0.1mm,避免虚焊、偏移;
  4. 存储运输:存储温度-40℃~+85℃、湿度≤60%,避免潮湿环境长期暴露。

综上,RTT031213FTP凭借小型化、高稳定性、宽温适配等特点,是工业、消费电子等领域的高性价比电阻选型。

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