WMSIC Electronic Components

RALEC RTT024020FTH

ModelRTT024020FTH
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 RTT024020FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT024020FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
402Ω
Electronic Component
10
Electronic Component
BM0265421421
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.

RTT024020FTH厚膜贴片电阻产品概述

一、产品基本定位与核心身份

RTT024020FTH是RALEC(旺诠) 推出的一款小功率高精度厚膜贴片电阻,专为小型化、宽温适应性电子设备设计。型号命名中,“024020”对应核心参数(阻值402Ω),“FTH”代表厚膜工艺(Thick Film),封装为标准0402(英制)/1005(公制) ,属于旺诠基础型贴片电阻系列,兼顾成本与性能,覆盖消费电子、工业控制等多领域需求。

二、关键性能参数详解

该电阻的核心参数精准匹配低功耗、高精度场景,具体如下:

1. 阻值与精度

标称阻值为402Ω,精度等级±1%,满足大多数电路对电阻值一致性的要求(如分压、信号匹配、反馈网络等场景),无需额外校准即可实现稳定输出。

2. 功率与电压容量

  • 额定功率62.5mW(0.0625W),适配低功耗电路(如传感器信号调理、电池供电设备),避免功率冗余导致的体积浪费;
  • 最大工作电压50V(DC/AC) ,绝缘电阻≥10^9Ω(25℃,100V),满足低压直流及交流电路的耐压需求,无击穿风险。

3. 温度特性

  • 温度系数**±100ppm/℃**:以25℃为基准,温度每变化1℃,阻值相对变化≤0.01%;当环境温度从-55℃升至155℃(温差210℃)时,阻值最大漂移≤2.1%,宽温稳定性优于普通碳膜电阻;
  • 工作温度范围**-55℃~+155℃**,覆盖工业级环境(如户外设备、车载辅助电路),无需额外散热或温度补偿。

三、封装与工艺特性

1. 0402封装优势

封装尺寸为1.0mm×0.5mm×0.35mm(长×宽×高),是小型化电子设备的主流封装之一:

  • 节省PCB空间,适配智能手机、智能穿戴、微型传感器等轻薄化产品;
  • 端电极采用镍栅+无铅锡镀层(Sn/Pb或纯Sn),兼容回流焊、激光焊等工艺,焊接强度≥10N(拉力测试),抗脱落能力强。

2. 厚膜工艺特点

采用陶瓷基底+厚膜电阻浆料印刷烧结工艺:

  • 成本低于薄膜电阻,适合批量采购;
  • 电阻膜层厚度约10~20μm,抗磨损、抗静电能力优于薄膜电阻;
  • 阻值一致性好,批量生产良率≥99.5%。

四、典型应用场景

该电阻因小体积、宽温、高精度特性,广泛应用于以下场景:

1. 消费电子领域

  • 智能手机/平板:电源管理模块的分压电阻、音频信号滤波网络;
  • 智能穿戴:心率传感器信号放大电路、电池电量检测电路;
  • 智能家居:WiFi模块射频匹配电阻、LED指示灯限流电阻。

2. 工业控制领域

  • PLC输入输出接口:信号隔离电路的限流电阻;
  • 传感器节点:温度/压力传感器的信号调理电阻;
  • 小型电机驱动:低功率控制电路的反馈电阻。

3. 汽车电子辅助电路

  • 仪表盘背光控制:LED限流电阻;
  • 车载传感器:胎压监测(TPMS)信号放大电阻;
  • 辅助电源:12V转5V电路的分压电阻(适配-40℃~+85℃车载温区)。

4. 通信设备

  • 微型基站:射频前端偏置电路电阻;
  • 路由器:WiFi信号滤波匹配电阻。

五、可靠性与环境适应性

1. 长期稳定性

  • 高温存储(155℃,1000h)后阻值漂移≤0.5%;
  • 耐湿测试(85℃/85%RH,1000h)后阻值变化≤0.3%,绝缘电阻≥10^8Ω,满足长期户外使用需求。

2. 机械可靠性

  • 振动测试(10~2000Hz,加速度1g):无开路、短路故障;
  • 冲击测试(1000g,1ms,半正弦波):端电极无脱落,阻值变化≤0.2%。

3. 环保合规

符合RoHS2.0(无铅、无镉、无汞)及REACH标准,适配全球市场准入要求。

六、品牌与品质背书

RALEC(旺诠)是台湾老牌电阻制造商,拥有30余年电子元器件研发生产经验,产品线覆盖贴片电阻、功率电阻、网络电阻等全系列,通过ISO9001、ISO/TS16949(汽车级)、AEC-Q200 认证,产品一致性及可靠性行业领先。RTT024020FTH作为其成熟型号,批量供货稳定,适合OEM/ODM厂商长期合作。

综上,RTT024020FTH是一款高性价比、宽温稳定、小体积适配的厚膜贴片电阻,可满足多数中低端电子设备的电阻需求,是小型化电路设计的优选元件。

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