WMSIC Electronic Components

RALEC RTT054700FTP

ModelRTT054700FTP
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 RTT054700FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT054700FTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
470Ω
Electronic Component
1
Electronic Component
BM0265147798
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旺诠RTT054700FTP厚膜贴片电阻产品概述

一、产品基本信息

RTT054700FTP是RALEC(旺诠) 推出的一款0805封装厚膜贴片电阻,属于工业级通用电阻范畴。型号命名中:

  • "RTT"为旺诠厚膜电阻系列标识;
  • "05"对应封装尺寸(英制0805,公制2012,尺寸约2.0mm×1.2mm);
  • "4700"代表阻值470Ω(后两位为小数位,此处无小数即470Ω);
  • "FTP"为精度、功率及封装的组合标识(对应±1%精度、1/8W功率、0805封装)。

二、核心电气与物理参数

该型号电阻的关键参数符合工业级应用要求,具体如下:

参数类型 具体数值 说明 电阻类型 厚膜贴片电阻 采用丝网印刷+烧结工艺,稳定性优于薄膜电阻 标称阻值 470Ω 常用标准阻值,覆盖分压、限流等场景 精度等级 ±1% 工业级通用精度,满足大多数电路需求 额定功率 125mW(1/8W) 连续工作功率上限,实际应用建议留80%裕量 最大工作电压 150V 直流/交流峰值电压上限,避免击穿 温度系数(TCR) ±100ppm/℃ 温度每变化1℃,阻值变化百万分之一百(如155℃时阻值漂移约1.3%) 工作温度范围 -55℃ ~ +155℃ 宽温覆盖工业级(-40~+85℃)及部分汽车级场景

三、产品设计与工艺特点

  1. 厚膜工艺稳定性
    采用陶瓷基板+厚膜电阻浆料烧结工艺,阻值一致性好(批量生产误差控制在精度范围内),长期工作时阻值漂移小,抗环境应力(湿度、温度循环)能力强。

  2. 封装兼容性
    0805封装符合IPC-A-610标准,可兼容主流SMT贴装设备(如富士、西门子贴片机),贴装效率高,适合高密度PCB设计(每平方厘米可贴装约200~300颗)。

  3. 宽温性能优势
    工作温度范围覆盖低温(-55℃)至高温(155℃),TCR控制在±100ppm/℃,满足户外设备、工业控制柜等高低温交替场景的阻值稳定性需求。

  4. 功率与电压裕量
    125mW额定功率及150V工作电压,在常规应用中(如5V电源下限流6.3mA、12V电源下分压2.6mA),实际功耗仅为额定值的30%~50%,失效风险低。

四、典型应用场景

RTT054700FTP因参数均衡,广泛应用于以下领域:

  1. 消费电子
    手机、平板、智能家居设备中的信号分压(如音频输入接口)、LED限流(小功率LED驱动,电流≤10mA)、电源滤波(与电容组成RC滤波电路)。

  2. 工业控制
    PLC(可编程逻辑控制器)输入输出接口的信号调理(分压、限流)、传感器(如温度、压力传感器)的信号匹配电路,适应车间-20~+60℃的环境温度。

  3. 通信设备
    路由器、交换机的电源模块滤波、以太网接口的阻抗匹配电路,0805封装适合高密度PCB布局(如1U机架式设备)。

  4. 汽车电子(非严苛场景)
    车载信息娱乐系统(如中控屏背光限流)、车身传感器(如车门开关信号调理),宽温范围满足车载-40~+85℃的工作要求(需确认是否符合汽车级认证,旺诠部分型号可提供AEC-Q200认证)。

五、可靠性与环保要求

  1. 可靠性验证
    产品通过IEC 60115、JIS C 5201等标准测试:

    • 高温负载测试(155℃+额定功率):1000小时阻值变化≤0.5%;
    • 湿度负载测试(85℃/85%RH+额定功率):500小时阻值变化≤1%;
    • 振动测试(10~2000Hz,加速度2g):无开路、短路故障。
  2. 环保合规
    符合欧盟RoHS 2.0指令(无铅、无镉、无汞),采用无铅焊端(Sn-Cu-Ni合金),适合绿色电子产品设计。

六、选型与使用注意事项

  1. 功率裕量设计
    实际应用中,电阻连续功耗应不超过100mW(额定功率的80%);若为脉冲电路(如开关电源尖峰抑制),需确认峰值功率不超过额定值,且脉冲占空比≤50%。

  2. 电压限制
    直流/交流工作电压不得超过150V,若应用于高压电路(如220V交流),需串联分压电阻或选择更高电压等级的型号。

  3. 温度敏感电路适配
    若电路对阻值精度要求高于±1.3%(如高精度温度传感器),需选择TCR≤±50ppm/℃的型号;本型号适合一般精度要求场景。

  4. 贴装工艺要求
    0805封装贴装时,需控制贴装偏移量≤0.1mm,回流焊温度曲线符合旺诠推荐参数(峰值温度245±5℃,时间≤10秒),避免立碑、桥连等缺陷。

RTT054700FTP作为旺诠经典0805厚膜电阻型号,凭借稳定的电气性能、宽温适应性及高可靠性,成为工业、消费电子等领域的常用选型,可满足大多数常规电路的设计需求。

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