WMSIC Electronic Components

RALEC RTT031273FTP

ModelRTT031273FTP
Package0603
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 RTT031273FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT031273FTP
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
127kΩ
Electronic Component
1
Electronic Component
BM0265147837
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

RTT031273FTP 厚膜贴片电阻产品概述

一、产品基本信息

RTT031273FTP是旺诠(RALEC) 推出的一款厚膜贴片电阻,采用行业通用的0603封装(英制尺寸0.06英寸×0.03英寸,对应公制1608封装,实际尺寸约1.6mm×0.8mm×0.45mm)。作为旺诠主流贴片电阻系列的一员,该型号针对中小功率、高精度的电路需求设计,兼具成本优势与稳定性能,广泛适配各类电子设备的信号调理、功率限流等场景。

二、核心电气参数详解

该型号的电气性能经过严格校准,关键指标清晰明确:

  1. 阻值与精度:标称阻值127kΩ,精度±1%——实际阻值范围为125.73kΩ~128.27kΩ,满足多数电路对阻值一致性的要求(如信号放大、反馈回路);
  2. 额定功率:100mW(0.1W)——适用于低功耗电路,需注意环境温度超过70℃时需按比例降额(如125℃时功率降额至50mW);
  3. 最大工作电压:75V——结合阻值计算实际功率(V²/R=75²/127000≈44mW),因此电压限制比功率限制更严格,实际使用中需避免超过75V峰值;
  4. 温度系数(TCR):±100ppm/℃——指温度每变化1℃,阻值变化±12.7Ω(127kΩ×100×10⁻⁶),属于厚膜电阻的常规稳定水平,适配宽温环境;
  5. 工作温度范围:-55℃~+155℃——覆盖工业级温度要求,可在户外传感器、工业控制柜等极端高低温场景下稳定工作。

三、封装与物理特性

0603封装是贴片电阻的经典小尺寸封装,具有以下实用特点:

  • 尺寸紧凑:1.6mm(长)×0.8mm(宽)×0.45mm(厚),适合高密度PCB设计(如智能手机、智能穿戴设备的主板);
  • 基片材料:采用氧化铝陶瓷基片(Al₂O₃),绝缘性好、热传导效率高,可快速散发热量,避免电阻过热失效;
  • 端电极结构:三层结构(银钯层+镍阻挡层+锡镀层),兼容回流焊、波峰焊等主流焊接工艺,焊接强度高,耐老化性能好。

四、工艺与可靠性优势

作为厚膜电阻,RTT031273FTP采用丝网印刷+高温烧结工艺,可靠性突出:

  1. 电阻膜由钌系浆料经850℃~950℃高温烧结而成,阻值一致性优于碳膜电阻,抗机械应力能力更强;
  2. 符合JESD22可靠性标准:抗过载能力(短时间过1.5倍额定功率无失效)、耐湿性(85℃/85%RH环境下1000小时阻值变化≤1%)、温度循环稳定性(-55℃~155℃循环1000次后阻值变化≤0.5%);
  3. 环保合规:符合RoHS 2.0、REACH等国际标准,无铅、无镉、无汞,适合出口产品及绿色制造需求。

五、典型应用场景

结合参数与封装特点,该型号主要应用于:

  1. 工业控制电路:PLC的I/O接口电阻、传感器信号放大电路的偏置电阻(宽温环境适配);
  2. 消费电子:智能手机、平板电脑的音频匹配电阻、电源管理IC的反馈电阻(小尺寸适配高密度主板);
  3. 电源设备:DC-DC转换器的限流电阻、LED驱动电路的分压电阻(低功率需求匹配);
  4. 通信设备:路由器、交换机的信号调理电阻(精度满足信号一致性要求)。

六、使用注意事项

  1. 功率降额:环境温度>70℃时,每升高1℃功率降额0.8%(如100℃时功率为84mW);
  2. 焊接工艺:回流焊温度曲线需符合JEDEC J-STD-020标准,波峰焊浸锡深度不超过封装高度的1/3;
  3. 存储条件:未开封产品存储在10℃35℃、湿度40%60%的环境,开封后需168小时内完成焊接(避免吸潮);
  4. 静电防护:因封装小、阻值高,需采用防静电工作台、离子风扇等措施,避免静电击穿。

该型号凭借旺诠的成熟工艺与稳定性能,成为中小功率高精度电路的高性价比选择,可满足工业、消费电子等多领域的实际需求。

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