WMSIC Electronic Components

RALEC RTT055602FTP

ModelRTT055602FTP
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT055602FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT055602FTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
56kΩ
Electronic Component
1
Electronic Component
BM0265143967
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.

RALEC RTT055602FTP 厚膜贴片电阻产品概述

RTT055602FTP是台湾旺诠电子(RALEC)推出的一款0805封装厚膜贴片电阻,属于其常规高精度功率系列产品。该电阻针对中低端到中端电子设备的基础阻抗需求设计,兼顾精度、功率与宽温适应性,广泛适配消费电子、工业控制、汽车电子等多领域应用。

一、产品基本信息

RTT055602FTP的型号命名包含核心参数标识:

  • "RTT"为旺诠厚膜电阻系列代号;
  • "05"对应封装尺寸代码(0805英制封装);
  • "5602"为阻值编码(56×10²=56kΩ);
  • "FTP"为精度与功率等级标识(±1%精度、125mW功率)。

该电阻采用厚膜印刷工艺制造,相比薄膜电阻成本更低、抗浪涌能力更强;相比线绕电阻体积更小,适合贴片自动化生产,是电子设备中最常用的贴片电阻类型之一。

二、核心性能参数详解

RTT055602FTP的参数设计平衡了性能与成本,关键指标如下:

1. 阻值与精度

  • 标称阻值:56kΩ,是电子电路中常见的分压、限流阻值(如音频电路的信号衰减、电源电路的电压检测);
  • 精度等级:±1%,满足大多数非精密电路的需求(如工业PLC的模拟量输入、消费电子的电源管理),避免了0.1%级高精度电阻的额外成本。

2. 功率与电压

  • 额定功率:125mW,适配0805封装的常规功率范围(0805封装主流功率为1/16W=62.5mW、1/8W=125mW),可承受最大工作电流约4.7mA(I=√(P/R)=√(0.125/56000)≈4.7mA);
  • 额定工作电压:150V,需注意该电压为额定值(即电压与电流乘积不超过功率),实际使用中需结合电路电压与电流综合考量(如150V电压下电流需≤0.83mA)。

3. 温度特性与工作范围

  • 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化±0.01%。举例:当环境温度从25℃升至125℃(温差100℃),阻值变化为**±560Ω**(56kΩ×100×100ppm),阻值范围稳定在55.44kΩ~56.56kΩ之间;
  • 工作温度范围:-55℃~+155℃,覆盖工业级(-40℃+85℃)与汽车级(-40℃+125℃)的宽温需求,可适应寒冷地区户外设备、高温控制柜等场景。

三、封装与应用场景

1. 封装特性

RTT055602FTP采用0805英制贴片封装(对应公制尺寸2.0mm×1.2mm),具有以下优势:

  • 体积小:适合高密度PCB设计(如智能手机主板、小型通信模块);
  • 贴装效率高:适配自动化SMT生产线,降低人工成本;
  • 焊接可靠性:采用标准焊盘设计,兼容无铅焊接工艺(RoHS compliant)。

2. 典型应用场景

  • 消费电子:智能手机、平板电脑的音频电路分压、电源电路限流、屏幕驱动电路阻抗匹配;
  • 工业控制:PLC模块的模拟量输入输出、传感器信号调理电路、电机驱动辅助电路;
  • 汽车电子:车身控制模块(BCM)的低功率信号电路、车载音响的信号衰减电路(工作温度满足汽车级要求);
  • 通信设备:小型基站的射频匹配电路、路由器的电源滤波电路。

四、品牌与可靠性说明

旺诠电子(RALEC)是全球知名的电阻制造商,成立于1982年,专注电阻研发与生产近40年,产品通过以下认证:

  • 质量管理体系:ISO9001、IATF16949(汽车电子行业认证);
  • 环保认证:RoHS、REACH(符合欧盟环保要求)。

RTT055602FTP的厚膜电阻工艺具有长期稳定性好的特点:

  • 阻值漂移小:长期使用(如1000小时老化测试)阻值变化≤0.5%;
  • 抗浪涌能力强:可承受10倍额定功率的瞬间浪涌(1250mW),适合电源电路的瞬态保护需求;
  • 批次一致性高:旺诠的自动化生产流程确保每批次电阻的阻值、精度差异极小,降低客户生产不良率。

五、选型优势总结

RTT055602FTP的核心优势在于性能与成本的平衡:

  1. 精度与功率适配:±1%精度满足大多数基础电路需求,125mW功率覆盖0805封装的主流应用;
  2. 宽温适应性:-55℃~+155℃工作范围,适配工业与汽车电子场景;
  3. 品牌可靠性:旺诠的成熟工艺与认证体系,确保产品长期稳定;
  4. 成本可控:厚膜工艺相比薄膜电阻成本更低,适合批量应用。

该电阻避免了过高精度(如0.1%)或过高功率(如1/4W)带来的额外成本,是电子设备中基础阻抗需求的高性价比选择。

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