WMSIC Electronic Components

RALEC RTT051003FTP

ModelRTT051003FTP
Package0805
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT051003FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT051003FTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
100kΩ
Electronic Component
1
Electronic Component
BM0265143960
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

RTT051003FTP 厚膜贴片电阻产品概述

RTT051003FTP是台湾旺诠(RALEC)推出的一款0805封装通用厚膜贴片电阻,定位于中精度、中小功率的电子电路基础元件,可满足消费电子、工业控制、汽车电子等多领域的分压、限流、信号匹配需求。以下从核心身份、参数特性、工艺优势等维度展开详细说明。

一、核心身份与定位

RTT051003FTP属于旺诠常规精度系列厚膜电阻,型号命名清晰对应产品特性:

  • RTT:旺诠厚膜贴片电阻系列标识;
  • 0510:对应0805封装(英制尺寸,公制2.0mm×1.2mm);
  • 003:阻值编码(100kΩ逻辑:前两位10×10³=100kΩ);
  • FTP:精度±1%、功率125mW的规格后缀。

该产品主打“高性价比+工业级可靠性”,适合批量应用于对成本敏感但需稳定性能的电路设计。

二、关键性能参数详解

RTT051003FTP的核心参数明确,可覆盖多数通用电路的设计需求:

1. 阻值与精度

  • 标称阻值:100kΩ;
  • 精度等级:±1%(F级); 此精度可满足信号调理、电源分压等场景的匹配要求,避免因阻值偏差导致的信号失真或电压检测误差。

2. 功率与电压约束

  • 额定功率:125mW(0.125W);
  • 额定工作电压:150V; 关键注意:实际使用需同时满足功率限制,最大允许电压需计算为√(P×R)=√(0.125×100000)≈112V,若超过此值会导致过功率损坏。

3. 温度稳定性

  • 温度系数(TCR):±100ppm/℃; 表示温度每变化1℃,阻值变化±0.01%;在-55℃~155℃全温区范围内,最大阻值变化约为±1.3%(以25℃为基准),可满足宽温环境下的基本稳定需求。

4. 环境适应范围

  • 工作/存储温度:-55℃~+155℃; 符合工业级温区标准,可应用于户外设备、车载电子等对温度敏感的场景。

三、封装与工艺优势

RTT051003FTP采用0805厚膜贴片封装,工艺特点突出:

1. 厚膜工艺核心

通过丝网印刷钌基电阻浆料在氧化铝陶瓷基片上,经高温烧结形成电阻层,再覆盖玻璃釉保护层。相比薄膜电阻,厚膜工艺成本更低、功率密度适中;相比线绕电阻,体积更小、适合自动化贴装。

2. 旺诠工艺优化

  • 浆料配方调整:降低TCR至±100ppm/℃,提升温度稳定性;
  • 封装一致性控制:陶瓷基片平整度、电阻层厚度均匀性好,贴装良率高;
  • 保护层设计:玻璃釉涂层抗湿热、抗机械损伤,延长产品寿命。

3. 封装适配性

0805封装体积小巧(2.0mm×1.2mm×0.5mm),可适配高密度PCB设计,支持SMT自动化贴装(需匹配对应吸嘴)。

四、典型应用场景

RTT051003FTP的参数特性使其适用于以下场景:

1. 消费电子

  • 手机/平板的电源管理电路(电池电压分压检测);
  • 耳机/音响的信号匹配电路(阻抗匹配);
  • 充电器的限流电阻(过流保护辅助)。

2. 工业控制

  • PLC(可编程逻辑控制器)的输入/输出接口(信号分压);
  • 传感器调理电路(温度/压力传感器的信号匹配);
  • 工业电源的反馈电路(电压调节)。

3. 汽车电子

  • 车载仪表盘的背光驱动电路(限流);
  • 车载音响的信号链路(阻抗匹配); 注:若需汽车级认证,需确认旺诠对应AEC-Q200版本。

4. 通信设备

  • 路由器/交换机的信号滤波电路(分压匹配);
  • 基站辅助电路(电源分压)。

五、使用注意事项

为保障产品可靠性,需注意以下要点:

1. 功率降额

实际使用功率建议不超过额定功率的80%(即100mW),可有效降低长期阻值漂移,提升产品寿命。

2. 电压限制

实际工作电压需同时满足“V≤112V”(功率限制)和“V≤150V”(额定电压),优先以功率限制为准。

3. 温区应用

在155℃高温下,阻值变化可达±1.3%,若对精度要求较高(如<±1%),需在电路设计中加入温度补偿。

4. 贴装与焊接

  • 贴装:需使用0805规格吸嘴,贴装精度控制在±0.1mm以内;
  • 焊接:回流焊峰值温度建议245℃±5℃,时间3~5秒,避免过温损坏。

六、总结

RTT051003FTP作为旺诠的通用厚膜贴片电阻,凭借**±1%精度、125mW功率、工业级温区**等特性,成为电子电路设计中“高性价比+稳定可靠”的选择。其0805封装适配高密度贴装,厚膜工艺平衡成本与性能,可广泛应用于消费电子、工业控制等多领域。若需进一步了解产品认证(如AEC-Q200)或定制规格,可参考旺诠官方规格书。

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