WMSIC Electronic Components

RALEC RTT121004FTP

ModelRTT121004FTP
Package1210
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 23+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT121004FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT121004FTP
Electronic Component
1
Package
1210
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.034g
Electronic Component
1MΩ
Electronic Component
1
Electronic Component
BM0266034631
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.

RTT121004FTP 厚膜贴片电阻产品概述

一、核心参数总览

RTT121004FTP为旺诠(RALEC)推出的1210封装厚膜贴片电阻,核心参数明确且适配多场景需求:

  • 阻值:1MΩ(1兆欧,符合信号调理、阻抗匹配常用阻值)
  • 精度:±1%(工业级主流精度,满足多数电路的匹配要求)
  • 额定功率:500mW(0.5瓦,环境温度25℃下连续工作功率)
  • 额定工作电压:200V(直流/交流峰值,实际应用需结合功率降额)
  • 温度系数(TCR):±100ppm/℃(阻值随温度变化的速率,宽温稳定性关键指标)
  • 工作温度范围:-55℃ ~ +155℃(覆盖工业级、部分车载辅助场景)
  • 封装:1210(英制尺寸,公制3.2mm×2.5mm,兼顾功率与布局密度)

二、封装与物理特性

1210封装是贴片电阻的中型主流封装,尺寸紧凑(典型厚度0.55mm),适合高密度PCB布局;采用厚膜丝网印刷烧结工艺,电阻膜层附着牢固、表面平整,焊接兼容性强(支持回流焊、波峰焊),引脚镀层为镍钯金(无铅环保),抗氧化性优异,长期使用不易出现虚焊。

该封装的功率承载能力优于0805等小型封装,同时比1812等大型封装更节省空间,平衡了性能与成本。

三、电气性能详解

3.1 功率与电压限制

  • 额定功率500mW为25℃环境下的连续工作功率,当环境温度超过70℃时,需按旺诠标准降额(每升高1℃,功率降额0.33%);
  • 额定电压200V为最大允许工作电压,实际应用中需同时满足公式 ( P = \frac{U^2}{R} \leq 500mW );本型号200V时功率仅40mW,故电压限制在此场景下更严格。

3.2 精度与温度稳定性

  • ±1%精度无需额外校准,可直接用于PLC输入模块、传感器信号调理等场景;
  • ±100ppm/℃的TCR意味着:温度变化100℃时,1MΩ阻值仅漂移100Ω(≤0.01%),宽温环境下无需温度补偿,性能稳定。

四、环境适应性

  • 温度耐受:-55℃至+155℃覆盖工业现场(如电机控制、高温车间)、车载辅助系统(部分低功耗场景);
  • 湿度抗性:符合IEC 60068-2-67湿热循环测试,40℃/95%RH环境下1000小时后,阻值变化≤0.5%;
  • 机械强度:通过IEC 60068-2-27冲击测试(1000m/s²,1ms),适合运输振动或工业振动场景。

五、典型应用场景

该型号因参数均衡,广泛应用于:

  1. 工业控制:PLC输入输出模块、传感器信号分压电路;
  2. 电源系统:开关电源反馈网络、线性电源限流电阻;
  3. 通信设备:基站射频阻抗匹配、光纤收发器偏置电路;
  4. 消费电子:高端音频信号衰减、智能家电控制电路。

六、品牌与可靠性

旺诠(RALEC)为台湾知名被动元件厂商,厚膜电阻工艺成熟,通过ISO 9001、IATF 16949(汽车级)认证;RTT121004FTP的平均无故障时间(MTBF)≥10^6小时,正常使用下失效模式以“过功率/过电压”为主,可靠性满足长期工业级运行需求。

该产品凭借参数均衡、宽温稳定、封装紧凑的特点,成为工业控制、通信等领域的高性价比选择。

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