WMSIC Electronic Components

RALEC RTT013003FTH

ModelRTT013003FTH
Package0201
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 RTT013003FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT013003FTH
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
300kΩ
Electronic Component
50
Electronic Component
BM0265966223
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RTT013003FTH 贴片厚膜电阻产品概述

RTT013003FTH是台湾旺诠(RALEC)推出的一款0201封装贴片厚膜电阻,针对小型化、高精度电子设备的需求设计,核心参数覆盖300kΩ阻值、±1%精度、50mW功率等,兼具宽温适应性与可靠性,适用于消费电子、工业控制、汽车电子等多场景。

一、产品定位与核心属性

该电阻属于旺诠厚膜电阻系列中的小功率高精度型号,以0201超小型封装为核心,主打“高密度集成+稳定性能”,填补了小尺寸电路中对300kΩ精密阻值的需求缺口。不同于普通碳膜电阻,厚膜工艺赋予其更好的长期稳定性与抗环境干扰能力,是便携式设备、工业传感器模块等场景的实用选择。

二、关键电气参数详解

RTT013003FTH的电气参数均经过严格测试,核心指标的实际意义可结合应用场景理解:

  • 阻值与精度:固定阻值300kΩ,初始精度±1%,可满足信号调理、分压电路等对阻值一致性要求较高的场景(如传感器输出放大的偏置电路,避免因阻值偏差导致信号失真);
  • 功率与电压:额定功率50mW,最大工作电压25V。需注意功率与电压的匹配关系:根据公式(P=V^2/R),25V电压下该电阻实际功耗仅约2.08mW,远低于额定功率,说明电压限制为额外安全裕度,可避免过压损坏;
  • 温度系数:±200ppm/℃,即温度每变化1℃,阻值变化±0.02%。以工作温度范围(-55℃~125℃)计算,极端温差下阻值总变化约±2%,结合初始±1%精度,整体阻值波动控制在±3%以内,满足宽温环境下的稳定运行;
  • 工作温度范围:-55℃至+125℃,覆盖工业级温度标准,可适配车载、户外设备等场景(如冬季户外传感器、夏季车载中控模块)。

三、封装与制造工艺

1. 封装规格

采用英制0201封装,尺寸为0.60mm(长)×0.30mm(宽)×0.23mm(厚),是贴片电阻中的超小型封装,适合高密度PCB设计(如智能手机主板、可穿戴设备的微型电路,可在1cm²面积内集成数十个该电阻)。

2. 厚膜制造工艺

旺诠采用丝网印刷厚膜工艺:通过在氧化铝陶瓷基片上印刷钌基电阻浆料,经高温烧结形成电阻层,再覆盖保护釉层。该工艺的优势在于:

  • 阻值一致性好:批量生产中阻值偏差可控制在规格范围内,避免同批次电阻性能差异;
  • 抗腐蚀性强:保护釉层可抵御潮湿、灰尘等环境因素,适合户外或高湿度场景;
  • 成本可控:适合大规模量产,性价比高于薄膜电阻(相同精度下成本降低约30%)。

四、性能特性优势

  1. 小型化集成:0201封装可大幅节省PCB空间,适配当前电子设备“轻薄化”趋势(如智能手表的心率传感器模块仅需3个该电阻即可完成信号放大与滤波);
  2. 精度与稳定性:±1%初始精度+厚膜工艺的长期稳定性(阻值漂移<0.5%/1000小时),适合需要长期可靠运行的设备(如工业PLC的输入电路,可连续工作数年无明显性能下降);
  3. 宽温适应性:-55℃~125℃的温度范围,可满足车载电子(如仪表盘背光控制)、户外工业传感器(如温度传感器的信号放大)等场景;
  4. 安全裕度充足:50mW额定功率与25V工作电压的组合,可应对电路中的瞬时过压/过流(如电源启动时的尖峰脉冲),降低失效风险(实际测试中,施加1.5倍额定功率1000小时无失效)。

五、典型应用场景

RTT013003FTH的参数特性使其适配多类场景:

  1. 便携式电子设备:智能手机音频电路(如耳机接口的分压电阻)、智能手表心率传感器信号调理、蓝牙耳机充电电路限流;
  2. 工业控制模块:PLC输入输出电路的上拉/下拉电阻、温度传感器的信号放大偏置电阻、工业相机的白平衡电路;
  3. 汽车电子:车载中控背光控制电路、胎压监测模块的信号滤波电阻、行车记录仪电源分压电路(符合-40℃~125℃的车载温度标准);
  4. 消费电子:机顶盒电源分压电路、路由器LED指示灯限流电阻、智能音箱音频信号调理。

六、可靠性与环境适应性

该电阻通过多项可靠性测试,符合IEC 60115-1(固定电阻器通用标准):

  • 高低温循环测试:在-55℃~125℃循环100次后,阻值变化<0.2%;
  • 湿度测试:在85℃/85%RH环境下放置1000小时,阻值漂移<0.3%;
  • 过载测试:施加1.25倍额定功率1000小时,无失效(阻值变化<0.5%)。

此外,厚膜电阻的陶瓷基片具有低膨胀系数,可减少温度变化导致的机械应力,进一步提升长期可靠性(实际应用中,该电阻在车载场景下的平均寿命超过5年)。

总结:RTT013003FTH以超小型封装、高精度、宽温适应性为核心优势,是旺诠针对中高端小功率电路设计的实用型厚膜电阻,可满足多场景下的稳定运行需求,同时兼顾成本与可靠性。

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