WMSIC Electronic Components

RALEC(旺诠) RTT0110R0FTH

ModelRTT0110R0FTH
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

13 specifications

Core information

Product name
RALEC RTT0110R0FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT0110R0FTH
Electronic Component
1
Package
0201
Electronic Component
0.009g
Electronic Component
50
Electronic Component
BM0265966218
Electronic Component
Electronic Component
Electronic Component
10000

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

RTT0110R0FTH 厚膜贴片电阻产品概述

一、产品基本信息

RTT0110R0FTH是**RALEC(旺诠科技)**推出的常规厚膜贴片电阻,属于旺诠RTT系列厚膜电阻产品。型号编码明确了核心参数:

  • 阻值标识:“0110”对应标称阻值10Ω;
  • 精度标识:“R0”代表常温(25℃)下阻值偏差为±1%;
  • 封装/工艺:“FTH”组合标识0201英制贴片封装+厚膜烧结工艺。

该产品采用0201微型贴片封装(公制尺寸约0.5mm×0.3mm),适配自动化表面贴装(SMT)工艺,是消费电子、工业控制等小型化设备的常用被动元件。

二、关键性能参数详解

RTT0110R0FTH的核心性能参数匹配常规电子电路的通用需求,具体如下:

1. 阻值与精度

标称阻值10Ω,常温(25℃)下精度±1%,即实际阻值范围为9.9Ω~10.1Ω,满足大多数信号调理、分压电路的阻值控制要求。

2. 功率特性

额定功率50mW(环境温度25℃、自由空气条件下的最大功率)。需注意温度降额:当环境温度超过25℃时,允许功率随温度升高而降低(如100℃时降额至约35mW,125℃时降额至约25mW),避免电阻过热失效。

3. 工作电压限制

最大工作电压25V(直流/交流有效值),但需与功率协同约束:根据公式(P=V^2/R),若施加25V电压,功率将达到62.5mW(超过额定功率),因此实际最大允许电流为(I=\sqrt{P/R}≈70.7mA),需优先满足功率限制。

4. 温度系数

±200ppm/℃,即温度每变化1℃,阻值变化量为(10Ω×200×10^{-6}=±0.002Ω)(或±0.02%),适用于温度变化较小的常规电路场景。

5. 工作温度范围

-55℃~+125℃,覆盖工业级、部分汽车电子的温度需求,避免低温下性能衰减或高温下电阻漂移。

三、结构与工艺特点

RTT0110R0FTH采用成熟厚膜工艺,兼顾可靠性与成本优势:

1. 厚膜烧结工艺

以氧化铝陶瓷基片为载体,通过丝网印刷钌基厚膜电阻浆料,经高温烧结形成致密电阻层,再通过激光微调实现精度控制——相比薄膜电阻,厚膜工艺成本更低,且抗机械应力能力更强。

2. 封装结构

  • 陶瓷基片提供良好热稳定性,减少温度对阻值的影响;
  • 环氧树脂包封隔离潮气、污染物,提升长期稳定性;
  • 引脚采用银/锡铅合金,适配无铅回流焊工艺,焊接可靠性高。

3. 小型化设计

0201封装尺寸仅为0.5mm×0.3mm,可显著降低电路布局空间,满足便携设备“轻薄化”需求。

四、典型应用场景

基于其小型化、宽温、常规精度的特点,RTT0110R0FTH广泛适用于以下场景:

1. 消费电子

智能手机、平板电脑等便携设备的电源滤波、分压电路(小型化封装匹配设备空间限制)。

2. 工业控制

小型传感器信号调理、PLC输入输出模块的限流/匹配电阻(宽温范围适应工业环境-55℃~125℃的温度波动)。

3. 通信设备

基站、路由器等设备的射频辅助电路(低功率需求匹配通信设备小信号电路)。

4. 汽车电子

车载信息娱乐系统的低功率信号电路(满足汽车级部分温度场景要求)。

五、选型与使用注意事项

为确保产品可靠性,使用时需注意以下要点:

1. 降额使用

严格遵循旺诠推荐的降额曲线:环境温度每升高1℃,允许功率降低约0.2mW(25℃~125℃区间),避免功率过载导致电阻开路或阻值漂移。

2. 贴装工艺

0201封装尺寸小,需使用高精度贴片机(贴装精度≤±0.05mm),焊接温度需符合回流焊曲线(峰值温度245±5℃,时间≤10s),避免虚焊或焊料桥接。

3. 存储条件

未开封产品需存储于1535℃、4060%RH环境,开封后建议12个月内使用完毕,防止引脚氧化影响焊接可靠性。

4. 替代选型

若需更高精度(如±0.1%)或更低温度系数(如±50ppm/℃),可考虑旺诠RT系列薄膜电阻;若需更大功率(如1/8W),可选择0402或0603封装的厚膜电阻。

RTT0110R0FTH作为旺诠成熟的厚膜贴片电阻,以高性价比、小型化、宽温稳定的特点,成为常规电子电路设计的优选元件之一。

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