WMSIC Electronic Components

RALEC RTT02151JTH

ModelRTT02151JTH
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 RTT02151JTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT02151JTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
150Ω
Electronic Component
50
Electronic Component
BM0265147832
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RTT02151JTH厚膜贴片电阻产品概述

一、产品基本身份信息

RALEC(旺诠)是台湾老牌被动元件制造商,深耕贴片电阻领域数十年,产品覆盖消费电子、工业、汽车等多领域。RTT02151JTH属于旺诠RTT系列厚膜贴片电阻,采用0402封装(英制0.04×0.02英寸,公制1.0×0.5mm),是专为小型化高密度电路设计的通用型电阻。

型号命名拆解清晰:

  • RTT:系列标识(厚膜贴片电阻);
  • 02:封装代码(对应0402);
  • 151:阻值代码(15×10¹=150Ω);
  • J:精度等级(±5%);
  • TH:厚膜工艺(Thick Film)缩写。

二、核心电性能参数详解

这款电阻的参数平衡了性能与成本,适合大多数通用电路需求:

  1. 阻值与精度:标称150Ω,精度±5%(实际范围142.5Ω~157.5Ω),满足信号调理、分压、限流等普通电路的精度要求;
  2. 功率与电压:额定功率62.5mW(0.0625W),额定电压50V。需注意:实际使用需同时满足两个限制——①功率≤62.5mW(电流≤20.4mA);②电压≤3.06V(由公式V=√(P×R)推导),若直接加50V会导致功率过载烧毁;
  3. 温度系数:±100ppm/℃,即温度每变1℃,阻值变化±0.015Ω(150Ω×100ppm);在-55℃~+155℃范围内,最大阻值变化约±3Ω,稳定性符合常规场景;
  4. 工作温度范围:-55℃+155℃,覆盖低温(寒冷地区户外设备)、高温(工业烤箱附近电路),比常规商业级电阻(-40℃+125℃)范围更宽。

三、典型应用场景

0402封装的小型化优势,让其广泛用于紧凑布局设备:

  • 消费电子:智能手机音频模块分压、智能手表传感器滤波、蓝牙耳机充电保护;
  • 通信设备:无线路由器射频前端偏置、小型交换机信号匹配;
  • 工业控制:小型PLC输入输出限流、温度传感器信号调理;
  • 汽车电子:胎压监测(TPMS)辅助电路、氛围灯分压(155℃满足大部分车载温区)。

四、产品优势与可靠性

  1. 小型化高密度:1.0×0.5mm封装大幅减少PCB面积,适配便携设备轻薄化;
  2. 厚膜工艺性价比:相比薄膜电阻,成本更低且耐过流能力稍强,适合常规信号电路;
  3. 宽温稳定:-55℃~+155℃+±100ppm/℃温漂,极端环境下阻值漂移小;
  4. 品牌一致性:旺诠工艺成熟,批量产品阻值一致性好,无需额外筛选;
  5. 环保合规:符合RoHS 6项、REACH法规,满足全球市场环保要求。

五、使用与存储注意事项

  1. 功率电压限制:严格遵守实际工作限制(功率≤62.5mW、电压≤3.06V),避免过流过压;
  2. 焊接工艺:采用回流焊(峰值260℃,时间≤10s),避免手工焊接温度过高损坏;
  3. 焊盘设计:0402封装焊盘建议0.6×0.3mm,间距0.2mm,确保焊接可靠;
  4. 存储条件:常温干燥(25℃±5℃,湿度≤60%RH),保质期12个月,开封后尽快使用。

这款电阻凭借小型化、宽温稳定、性价比高等特点,成为通用电路的可靠选择,适配多领域设备的紧凑布局需求。

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