WMSIC Electronic Components

RALEC RTT022702FTH

ModelRTT022702FTH
Package0402
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 RTT022702FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT022702FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
27kΩ
Electronic Component
10
Electronic Component
BM0265577698
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

RTT022702FTH 厚膜贴片电阻产品概述

一、产品定位与核心价值

RTT022702FTH是台湾旺诠(RALEC)推出的0402封装厚膜贴片电阻,针对小型化、高可靠性电子设备设计,兼顾精度、功率与环境适应性,是消费电子、工业控制、通信等领域的通用型被动元件解决方案。其核心价值在于:以0402超小封装实现1%高精度与62.5mW功率输出,宽温工作范围适配多场景需求,同时依托旺诠成熟厚膜工艺保障稳定性与成本优势,满足中高端电子设备的性价比要求。

二、基础参数详解

RTT022702FTH的关键参数精准匹配主流应用需求,具体如下:

  • 阻值与精度:27kΩ ±1%——采用厚膜印刷+激光微调工艺控制阻值偏差,1%精度满足信号调理、分压电路等对阻值稳定性要求较高的场景,避免因误差导致的电路性能波动;
  • 功率与电压:62.5mW(1/16W)、最大工作电压50V——功率规格适配0402封装的贴装密度,50V电压上限覆盖多数低压直流/交流电路(如3.3V、5V、12V系统),实际应用需遵循功率降额(25℃下连续工作功率不超过额定值的80%);
  • 温度系数:±100ppm/℃——厚膜电阻典型温系数,温度每变化1℃,阻值变化约27Ω(27kΩ×100ppm),满足一般工业与消费电子的温度稳定性要求;
  • 工作温度范围:-55℃~+155℃——宽温覆盖汽车电子(部分低温场景)、工业终端(高温环境)等应用,符合IEC 61000可靠性标准。

三、封装与工艺优势

3.1 0402封装特性

0402封装(英制0.04"×0.02",公制1005:1.0mm×0.5mm)是小型化电子设备的主流封装之一,具备以下优势:

  • 空间节省:相比0603封装体积缩小约60%,可显著提升PCB贴装密度,适配智能手机、智能手表、物联网终端等小型化产品;
  • 贴装兼容:支持常规SMT贴装工艺,与多数自动贴片机兼容,生产效率高;
  • 散热可控:虽功率较小,但0402封装散热路径短,结合厚膜电阻低热阻特性,保障功率稳定性。

3.2 旺诠厚膜工艺

RTT022702FTH采用旺诠成熟的厚膜丝网印刷工艺:将电阻浆料印刷在氧化铝陶瓷基片上,经高温烧结形成电阻体,再通过激光微调实现精度控制。该工艺优势在于:

  • 成本可控:无需真空镀膜等复杂工序,成本优于薄膜电阻(如NiCr薄膜);
  • 稳定性强:陶瓷基片抗热冲击、机械应力能力优于碳膜电阻,长期工作阻值漂移小;
  • 环保合规:符合RoHS 2.0、REACH标准,无铅无镉,适配全球市场。

四、典型应用场景

RTT022702FTH的参数与封装特性决定了其广泛应用,核心场景包括:

  1. 消费电子:智能手机音频信号调理、智能穿戴传感器接口(心率分压)、蓝牙耳机电源滤波;
  2. 工业物联网:工业传感器信号放大、PLC输入输出接口、智能电表计量电路;
  3. 通信设备:小型基站射频前端偏置电阻、光纤收发器信号匹配;
  4. 汽车电子:车载信息娱乐系统按键接口、车身控制模块低功耗电路(适配-55℃低温)。

五、可靠性与品质保障

旺诠对RTT022702FTH的品质管控贯穿全流程:

  • 生产管控:每批次经阻值分选、温系数测试、功率老化,确保参数一致性;
  • 可靠性验证:通过高温存储(155℃×1000h)、温度循环(-55℃~155℃×1000次)、湿度测试(85℃/85%RH×1000h),阻值变化率≤0.5%;
  • 认证支持:提供IEC 60115、JIS C 5201等国际标准检测报告,适配客户质量体系要求。

综上,RTT022702FTH以高性价比、小体积、宽温适应性成为多领域电子设备的可靠电阻选择,可满足中高端产品的设计需求。

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