WMSIC Electronic Components

RALEC RTT021004BTH

ModelRTT021004BTH
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 RTT021004BTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT021004BTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
1MΩ
Electronic Component
1
Electronic Component
BM0265577671
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.

RTT021004BTH 贴片厚膜电阻产品概述

一、产品基本信息

RTT021004BTH是台湾旺诠(RALEC)推出的一款0402封装厚膜贴片电阻,属于旺诠高精度小功率厚膜电阻系列。该型号针对小型化、低功耗、中等精度需求的电子电路设计,采用厚膜工艺制造,兼顾性能与成本优势,广泛适配SMT自动化生产流程,是工业控制、消费电子、仪器仪表等领域的实用型电阻选择。

二、核心参数详解

该电阻的关键参数可支撑多场景应用,具体如下:

  1. 阻值与精度:标称阻值1MΩ,精度±0.1%——满足仪器仪表、传感器信号调理等对阻值偏差要求严格的场景,避免因误差导致的测量/控制偏差;
  2. 功率与耐压:额定功率62.5mW,最大工作电压50V——适配低功耗电路(如智能穿戴、无线模块),50V耐压在0402小封装下表现稳定,可满足常规直流/低频电路的电压需求;
  3. 温度特性:温度系数(TCR)±100ppm/℃,工作温度范围-55℃~+155℃——TCR确保温度变化时阻值漂移小(如25℃到125℃,阻值变化约±1%),宽温范围覆盖工业级、车载电子等严苛环境。

三、封装与工艺特点

  1. 封装规格:采用0402公制贴片封装(对应英制0201,尺寸约1.0mm×0.5mm×0.3mm),体积小巧,可大幅缩减电路板面积,适配手持设备、微型模块等小型化设计;
  2. 厚膜工艺优势:
    • 以氧化铝陶瓷为基底,印刷高稳定性电阻浆料后烧结而成,浆料配方优化后实现±0.1%精度(优于常规厚膜电阻的±1%);
    • 激光微调技术确保阻值一致性,批量生产时参数离散性小;
    • 厚膜工艺成本低于薄膜电阻,同时具备较好的抗硫化、抗潮湿性能,长期可靠性更高。

四、典型应用场景

RTT021004BTH的参数特性决定了其适用以下场景:

  1. 高精度仪器仪表:万用表、示波器的分压电路、信号衰减网络,利用1MΩ高阻与±0.1%精度实现准确测量;
  2. 工业控制模块:PLC、传感器接口的信号调理电路(如应变片、温度传感器的偏置电阻),宽温范围适配现场环境;
  3. 消费电子小型化设备:智能手表、蓝牙耳机的低功耗电路(如MCU的上拉/下拉电阻),0402封装满足设备轻薄需求;
  4. 汽车电子辅助电路:车载传感器(如胎压监测)的信号处理电路,-55℃~+155℃工作温度覆盖车载环境(发动机舱附近可达125℃);
  5. 通信设备射频前端:小功率偏置电路、匹配网络的辅助电阻(低功率场景下可兼容射频特性)。

五、可靠性与环境适应性

旺诠针对该型号做了多项可靠性验证,确保产品稳定:

  1. 温度循环测试:符合JIS C 5201标准,在-55℃~+155℃循环1000次后,阻值变化≤±0.5%;
  2. 负载寿命测试:在额定功率下70℃环境工作1000小时,阻值漂移≤±0.2%;
  3. 焊接可靠性:适配回流焊、波峰焊工艺,焊接后无虚焊、脱落问题,符合IPC-A-610标准;
  4. 抗环境干扰:厚膜浆料抗硫化性能优于部分薄膜电阻,可避免含硫环境(如某些工业场所)下的阻值失效。

综上,RTT021004BTH凭借高精度、小体积、宽温特性与成本优势,成为多领域电路设计的可靠选择。

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