WMSIC Electronic Components

RALEC RTT0282R0FTH

ModelRTT0282R0FTH
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 RTT0282R0FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT0282R0FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
82Ω
Electronic Component
10
Electronic Component
BM0265569504
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.

RALEC旺诠RTT0282R0FTH厚膜贴片电阻产品概述

一、产品基本定位与核心属性

RTT0282R0FTH是台湾旺诠(RALEC)推出的0402封装厚膜贴片电阻,属于小型化精密电阻范畴。其核心定位是满足高密度PCB设计中对小尺寸、稳定精度及宽温适应性的需求,适用于多类电子设备的信号调节、分压、限流等基础电路场景。产品以82Ω标准阻值、±1%精度为核心参数,兼顾成本与性能平衡,是消费电子、工业控制等领域的常用无源器件。

二、关键技术参数详解

(1)阻值与精度

产品标称阻值为82Ω,精度等级达**±1%**,属于常规精密级电阻范畴。该精度可满足多数电子电路的信号匹配需求(如模拟信号调理、电压分压),避免因阻值偏差导致的电路性能波动(例如10V分压电路中,±1%偏差仅带来0.1V的输出误差)。

(2)功率与电压额定值

  • 额定功率:62.5mW:为0402封装下的典型小功率设计,适配低功耗电路(如微控制器I/O口限流、传感器偏置电路);
  • 最大工作电压:50V:需注意实际应用中需结合功率降额(如125℃环境下功率需降至额定值的50%,避免热失效)。

(3)温度特性

  • 温度系数(TC):±100ppm/℃:表示温度每变化1℃,阻值变化量为±0.0082Ω,可满足一般温变环境下的阻值稳定性要求(如-40℃至+85℃区间内,总阻值漂移约±0.1Ω);
  • 工作温度范围:-55℃至+155℃:覆盖工业级温区(-40℃~+85℃)及部分汽车电子辅助电路的温区需求,抗极端温度能力较强。

三、封装与工艺特性

(1)封装规格

采用0402标准贴片封装(英制尺寸,对应公制约1.0mm×0.5mm),符合IPC-J-STD-001等电子组装标准,适配自动化贴装生产线(SMT),可有效降低PCB空间占用(相比0603封装节省约60%面积),适合高密度集成设计。

(2)厚膜工艺优势

基于厚膜丝网印刷烧结工艺制造,相比薄膜电阻具有成本更低、抗浪涌能力更强的特点(可承受10倍额定功率的短时间浪涌);其电阻膜层与氧化铝陶瓷基板结合牢固,耐机械应力性能优于部分薄膜电阻,适合批量生产与应用。

四、典型应用场景

RTT0282R0FTH因尺寸小、精度稳定、宽温适应性强,广泛应用于以下场景:

  1. 消费电子:智能手机、智能穿戴设备的信号调理电路(如音频接口分压、加速度传感器偏置);
  2. 工业控制:PLC模块、小型压力传感器接口的限流/分压电路(适配-40℃~+85℃工业温区);
  3. 通信设备:小型基站、路由器的射频辅助电路(高密度PCB设计需求,单板可集成数千颗);
  4. 汽车电子:部分低功率辅助电路(如仪表盘背光调节、温度传感器接口,需结合汽车级认证需求)。

五、可靠性与环保要求

(1)可靠性表现

厚膜电阻的结构特性使其具备较好的抗老化能力:在125℃环境下长期工作(1000小时),阻值漂移率≤±0.5%;0402封装的焊接可靠性符合SMT工艺标准,可通过回流焊(峰值温度245℃)、波峰焊等常规工艺实现可靠连接。

(2)环保合规

产品符合RoHS 2.0(无铅、无镉、无汞等有害物质)及REACH法规要求,适配全球电子市场的环保准入标准,降低终端产品的合规风险。

六、品牌与品质保障

旺诠(RALEC)作为台湾知名无源器件制造商,拥有30余年电阻生产经验,产品通过ISO 9001、IATF 16949(汽车级)等认证,批量一致性好(同批次阻值偏差≤±0.2%),供应链稳定性强。RTT0282R0FTH延续品牌的全流程品质管控体系(从原材料筛选到成品测试),可满足电子厂商对无源器件的可靠性需求,降低采购与生产风险。

该产品凭借小尺寸、稳定精度及宽温适应性,成为多领域电子设计的优选无源器件,可有效平衡性能与成本,适配不同场景的集成需求。

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