WMSIC Electronic Components

RALEC RTT06R240FTP

ModelRTT06R240FTP
Package1206
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 Option 159788

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT06R240FTP
Type
RALEC
Minimum package
5000

Technical parameters

Power
333mW
Electronic Component
RALEC
Electronic Component
RTT06R240FTP
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
240mΩ
Electronic Component
1
Electronic Component
BM0266033029
Operating Temperature
55℃~+155℃
Operating Voltage
150V
Electronic Component
±200ppm/℃
Resistor Type
Resistor
Electronic Component
5000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

RALEC旺诠RTT06R240FTP厚膜电阻产品概述

一、产品基本属性与定位

RALEC旺诠RTT06R240FTP是一款1206封装厚膜表面贴装电阻,定位于中低功率、宽温环境下的通用型电阻,核心适配对阻值精度有一定要求的电流检测、电源管理等场景。作为旺诠旗下的常规型号,该电阻继承了厚膜电阻的稳定性与成本优势,同时兼顾小型化封装的设计需求,适合批量自动化生产。

二、核心电性能参数解析

该电阻的参数针对性强,需结合实际应用理解:

  1. 阻值与精度:标称阻值240mΩ(毫欧级低阻),精度±1%。区别于常见的欧姆/千欧级电阻,低阻设计主要用于电流分流检测(利用I=V/R,压降小不干扰电路);±1%精度在厚膜电阻中属于较高水平,可满足工业、消费电子的多数电流检测需求。
  2. 功率与电压:额定功率333mW(0.333W),额定电压150V。需注意:功率与电压并非独立限制——实际最大电流由功率决定:(I_{max}=\sqrt{P/R}\approx1.17A),此时压降仅约0.28V(远低于150V),因此电流限制是核心约束。
  3. 温度系数(TC):±200ppm/℃。即温度每变1℃,阻值变化±200×10⁻⁶倍。例如从25℃升至155℃,阻值变化约±6.24mΩ(相对变化±2.6%),可适应工业级宽温场景,平衡了成本与性能。
  4. 工作温度范围:-55℃~+155℃,符合汽车级/工业级宽温要求,能在极端环境(如高温车间、户外设备)中长期稳定工作。

三、封装与物理特性

采用1206封装(英制尺寸:3.2mm×1.6mm),属于表面贴装(SMT)小型化封装,适配自动化贴装生产线,适合高密度PCB设计(如笔记本、智能手机电源模块)。厚膜电阻结构为「陶瓷基片+厚膜电阻浆料+电极」,兼具耐温性与成本优势,比薄膜电阻更适合中低功率场景。

四、典型应用场景

  1. 电池管理系统(BMS):作为电流分流器检测电池充放电电流,低阻压降小不影响电池性能,宽温范围适配电动车、储能设备的极端环境。
  2. 电源电路:在DC-DC转换器、线性电源中用作限流电阻、反馈分压电阻,小型化封装节省PCB空间。
  3. 工业控制:用于PLC、传感器信号调理电路,宽温性能适应工厂车间的温度波动。
  4. 消费电子:笔记本电脑、智能穿戴设备的电源管理模块,满足高密度设计需求。

五、应用注意事项

  1. 功率降额:建议实际功率不超过额定功率的70%(≤233mW),高温环境(如155℃)下需降额至50%以下,避免阻值漂移或损坏。
  2. 电流限制:实际工作电流需≤1.17A,过流会导致电阻过热烧毁。
  3. 焊接规范:回流焊峰值温度≤260℃(时间≤10秒),波峰焊温度≤250℃,避免损坏电阻结构。
  4. 环境防护:避免长期暴露在腐蚀性气体(如硫化氢)中,厚膜电极易受腐蚀影响性能。

六、产品优势总结

  1. 精度可靠:±1%精度满足多数电流检测需求,优于普通厚膜电阻。
  2. 宽温稳定:-55~155℃适配极端环境,覆盖工业、汽车场景。
  3. 小型化设计:1206封装适合高密度PCB,降低产品体积。
  4. 成本可控:厚膜结构平衡性能与成本,比薄膜电阻更具性价比。

该电阻是旺诠针对中低功率宽温场景推出的成熟型号,可稳定适配多种工业与消费电子应用。

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