WMSIC Electronic Components

RALEC RTT02206JTH

ModelRTT02206JTH
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 RTT02206JTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT02206JTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
20MΩ
Electronic Component
50
Electronic Component
BM0266078514
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 RTT02206JTH 厚膜贴片电阻产品概述

一、产品基本定位与型号解析

RALEC(旺诠)RTT02206JTH是一款0402封装厚膜贴片电阻,针对高密度贴装、低功耗场景设计,兼具高阻值(20MΩ)与基础精度(±5%),适用于工业控制、消费电子等领域的信号处理与分压电路。

型号命名逻辑清晰:

  • RTT:RALEC厚膜电阻系列核心标识;
  • 0220:封装代码(对应英制0402,公制1005,尺寸1.0mm×0.5mm);
  • 6:阻值代码(基于E24阻值系列,代表20MΩ);
  • J:精度等级(E24系列标准精度,±5%);
  • TH:厚膜工艺(Thick Film)明确标识。

二、核心性能参数详解

该电阻的关键参数匹配中小功率、高阻值的应用需求,具体如下:

1. 阻值与精度

标称阻值20MΩ,精度±5%,满足大多数工业与消费电子场景的阻值误差要求——无需额外校准即可用于一般信号处理、分压网络等场景,平衡性能与成本。

2. 功率与电压

  • 额定功率:62.5mW(25℃环境下的最大允许功耗);
  • 额定电压:50V(最大允许工作电压);
  • 注意:实际工作需同时满足P≤62.5mW且U≤50V(二者不可同时超限),例如50V电压下功耗仅125μW(远低于额定功率),属于安全范围。

3. 温度特性

温度系数(TCR)±100ppm/℃,即每变化1℃,阻值漂移约0.01%;100℃温变下阻值漂移约1%,可稳定适配宽温环境。

4. 工作温度范围

-55℃+155℃,覆盖工业级环境(通常工业级为-40℃+125℃),扩展至极端低温与高温场景,适配户外、车载等特殊应用。

三、封装与工艺优势

1. 小体积高密度贴装

0402封装体积仅1.0mm×0.5mm,可大幅节省PCB空间,适合便携式设备(如蓝牙耳机、智能手表)、小型模块的高密度布局。

2. 厚膜工艺核心特性

采用钌基厚膜电阻浆料经高温烧结而成,具备:

  • 长期稳定性:1000小时高温存储(155℃)阻值变化≤0.5%;
  • 抗应力能力:厚膜层附着力强,可承受焊接应力与机械振动;
  • 成本优势:相比薄膜电阻,厚膜工艺更经济,适合批量应用。

3. 焊接与环保兼容性

支持回流焊、波峰焊(需优化参数),无铅环保(符合RoHS 2.0、REACH标准),适配现代电子制造全流程。

四、典型应用场景

结合参数特点,该电阻主要用于以下场景:

1. 信号分压与偏置电路

20MΩ高阻值适合小信号分压(如传感器输出、音频信号调节),不会对信号源造成过大负载,常见于应变片、麦克风偏置电路。

2. 传感器信号调理

用于PT100温度传感器、压力传感器的信号放大前分压网络,匹配高输入阻抗运放,提升信号采集精度。

3. 低功耗电源监测

工业电源的微电流电压采样(如高压母线监测),因功率低、阻值高,可实现低功耗监测,避免额外功耗损耗。

4. 消费电子小信号处理

便携式设备的按键检测、LED驱动偏置电路,适配小体积与低功耗需求。

5. 工业控制模块

PLC输入输出接口、模拟量采集模块的分压网络,满足宽温与可靠性要求。

五、品牌与可靠性保障

RALEC(旺诠)作为全球电阻制造龙头,RTT02206JTH通过多项国际标准测试:

  • 温度循环测试:-55℃~+155℃循环500次,性能无异常;
  • 湿度测试:85℃/85%RH存储1000小时,阻值变化≤0.3%;
  • ESD防护:符合IEC 61000-4-2标准,抗静电能力强。

产品广泛应用于汽车电子、工业自动化、消费电子等领域,可靠性经市场验证。

综上,RTT02206JTH是一款高性价比厚膜贴片电阻,兼顾小体积、高阻值、宽温稳定性,适配多场景电子设计需求。

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