WMSIC Electronic Components

RALEC RTT028201FTH

ModelRTT028201FTH
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

13 specifications

Core information

Product name
RALEC RTT028201FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT028201FTH
Electronic Component
1
Package
0402
Electronic Component
0.009g
Electronic Component
10
Electronic Component
BM0265746252
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.

RALEC RTT028201FTH 厚膜贴片电阻产品概述

RALEC(旺诠)作为深耕电子元器件领域30余年的专业制造商,推出的RTT028201FTH是一款针对小型化、高精度需求设计的0402封装厚膜贴片电阻。凭借宽温可靠性、稳定电气性能及高密度适配性,该产品广泛覆盖便携式电子、工业控制、汽车电子等场景,是优化电路布局的理想选择。

一、产品定位与核心属性

RTT028201FTH属于通用型厚膜贴片电阻,但在参数设计上兼顾了「超小尺寸」与「宽温可靠性」,定位为中低端电路中对尺寸、精度、温度适应性有明确要求的场景。其核心属性可概括为:

  • 0402(公制1005)超小封装;
  • 8.2kΩ标准阻值+±1%高精度;
  • 1/16W(62.5mW)低功耗;
  • -55℃~+155℃工业级宽温范围。

二、关键技术参数详解

RTT028201FTH的电气与环境参数经过严格标定,核心参数如下:

  1. 阻值与精度:固定阻值8.2kΩ,精度±1%,满足大多数模拟电路(分压、信号放大、反馈网络)的精度需求,无需额外校准;
  2. 功率与电压:额定功率62.5mW(对应1/16W),最大工作电压50V,适配低功耗电路(如电池供电设备),避免功率过载;
  3. 温度特性:温度系数(TCR)±100ppm/℃,即温度每变化1℃,阻值漂移≤0.01%;结合-55℃~+155℃的工作范围,极端环境下性能稳定;
  4. 封装尺寸:英制0402(公制1005),尺寸为1.0mm×0.5mm×0.35mm(长×宽×高),适配高密度PCB设计。

三、封装与制造工艺

RTT028201FTH采用厚膜电阻工艺+陶瓷基底封装,工艺特点突出:

  1. 厚膜工艺:通过丝网印刷将钌基电阻浆料印刷在氧化铝陶瓷基底上,经1200℃以上高温烧结形成电阻层,具有成本低、稳定性好、批次一致性高的优势;
  2. 0402封装结构:陶瓷基底表面覆盖玻璃保护层(防氧化、防机械损伤),两端电极采用镍/锡无铅镀层(符合RoHS要求),适配回流焊、波峰焊等主流贴片工艺;
  3. 可靠性设计:电极与电阻层结合强度经过优化,可承受1000次以上温度循环(-55℃~155℃),无开路、阻值漂移超标问题。

四、核心性能特点

  1. 小型化高密度适配:0402封装尺寸仅为传统插件电阻的1/10,可显著减少PCB面积,适合智能手机、智能穿戴、小型基站等对尺寸敏感的设备;
  2. 宽温下性能稳定:±100ppm/℃的TCR与工业级宽温范围,满足户外监控、车载电子(如仪表盘传感器)等极端温度场景;
  3. 低功耗与高性价比:1/16W额定功率适配电池供电设备(无线耳机、智能手环),旺诠量产优势降低成本,适合批量应用;
  4. 环保与兼容性:符合RoHS 2.0、REACH、无卤素标准,电极无铅,可与主流贴片工艺兼容,无需特殊设备。

五、典型应用场景

RTT028201FTH的参数特性使其适配多领域:

  1. 便携式电子:智能手机音频电路、智能手环传感器信号调理(分压、限流);
  2. 工业控制:PLC输入输出模块限流电阻、温度传感器信号放大电路;
  3. 汽车电子:车载仪表盘背光电路、胎压监测模块辅助电阻;
  4. 消费电子:机顶盒、路由器电源滤波网络、LED驱动限流;
  5. 通信设备:小型WiFi/蓝牙模块射频辅助电路(低频段)。

六、品牌与可靠性保障

RALEC(旺诠)的生产与品控体系为产品可靠性提供支撑:

  1. 质量管理认证:ISO 9001、IATF 16949(汽车电子专用);
  2. 环保认证:RoHS 2.0、REACH、无卤素;
  3. 可靠性测试:高温老化(155℃×1000h)、温度循环(-55℃~155℃×1000次)、湿热测试(85℃/85%RH×1000h),均满足行业标准;
  4. 供应稳定性:年产能超100亿只,可满足批量订单,交货周期稳定。

总结:RTT028201FTH以小型化、宽温可靠、高精度为核心优势,覆盖消费电子到工业控制的多场景应用,是电路设计中优化布局、降低成本的可靠选择。

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