WMSIC Electronic Components

RALEC RTT02514JTH

ModelRTT02514JTH
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 RTT02514JTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT02514JTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
510kΩ
Electronic Component
50
Electronic Component
BM0265966495
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RTT02514JTH厚膜贴片电阻产品概述

RTT02514JTH是台湾旺诠电子(RALEC)推出的一款0402封装小功率厚膜贴片电阻,针对高密度电路设计优化,兼具成本优势与稳定性能,广泛应用于消费电子、小型工业控制等领域。

一、产品基本定位与工艺特点

该电阻属于旺诠常规商业级厚膜电阻系列,采用厚膜印刷工艺制造:通过在陶瓷基片上印刷电阻浆料、烧结固化形成电阻层,再经电极处理制成贴片元件。厚膜工艺的核心优势在于成本可控、一致性好,同时能满足常规功率与精度需求,适合大规模自动化生产。

作为0402封装(公制1005,即1.0mm×0.5mm)的小尺寸元件,RTT02514JTH特别适配高密度PCB布局,可有效节省电路空间,是便携电子、小型模块的理想选择。

二、核心性能参数详解

RTT02514JTH的关键参数围绕小功率、常规精度设计,具体如下:

  1. 阻值与精度:标称阻值510kΩ,精度±5%(商业级常见精度),可满足多数信号调理、分压电路的基本精度需求;
  2. 额定功率:62.5mW(即0.0625W),对应0402封装的典型小功率上限,实际使用建议功率不超过31.25mW(50%余量),避免过热导致性能漂移;
  3. 工作电压:最大直流/交流工作电压50V,需注意实际电路中电压峰值不超过该值,防止绝缘击穿;
  4. 温度系数(TCR):±100ppm/℃,表示温度每变化1℃,阻值变化量为标称值的0.01%,适合-55℃~+155℃的宽温度范围应用;
  5. 工作温度范围:-55℃至+155℃,覆盖常规工业环境(如汽车低温启动、高温环境下的小型设备)与消费电子的温度波动场景。

三、封装与物理特性

  • 封装尺寸:0402(英制代码,对应公制1005),具体尺寸约为长1.0±0.1mm、宽0.5±0.1mm、厚0.3±0.1mm,引脚间距0.4mm;
  • 基片材料:氧化铝陶瓷(Al₂O₃),具有良好的热稳定性与绝缘性;
  • 电极结构:端电极采用镍/锡(Ni/Sn)镀层,适配SMT回流焊工艺,焊接可靠性高;
  • 环保特性:符合RoHS 2.0标准(无铅、无镉等有害物质),满足全球电子市场的环保要求。

四、典型应用场景

RTT02514JTH的小尺寸、小功率特性使其适用于以下场景:

  1. 消费电子:智能手机、平板电脑的信号滤波电路、LED指示灯限流电路、电池管理系统的分压电阻;
  2. 小型家电:智能插座、加湿器的控制板信号调理、按键检测电路;
  3. 汽车电子:车载USB接口的过流保护辅助电路、小型传感器(如温度传感器)的信号分压;
  4. 工业控制:PLC模块的I/O接口电路、小型电机驱动的辅助电阻;
  5. 通信设备:路由器、交换机的电源滤波电路、射频接口的匹配电阻(低功率场景)。

五、品牌优势与可靠性

RALEC旺诠是全球知名的被动元件制造商,拥有超过30年的电阻生产经验,其厚膜电阻产品具有以下优势:

  • 一致性好:采用自动化生产与严格的质量管控,阻值偏差、TCR等参数一致性优于行业标准;
  • 长期稳定性:经加速老化测试,阻值漂移率低于0.5%(1000小时,125℃),适合长期运行的设备;
  • 供应链可靠:产能稳定,可满足中小批量至大规模量产需求,交货周期短。

六、选型与使用注意事项

  1. 功率余量:实际工作功率需控制在额定功率的50%以内(≤31.25mW),若电路功率需求更高,建议选择0603(125mW)或更大封装;
  2. 精度匹配:若需±1%或更高精度,需切换至旺诠的精密厚膜电阻系列(如RVT系列);
  3. 温度环境:若工作温度超过155℃(如高温工业炉),需选择耐高温厚膜电阻或薄膜电阻;
  4. 焊接工艺:适配SMT回流焊(推荐温度曲线:峰值温度240250℃,时间3060秒),避免手工焊接时温度过高损坏元件。

RTT02514JTH凭借其小尺寸、稳定性能与成本优势,成为众多中低端电子设备的常用电阻选型,是旺诠厚膜电阻系列中的经典型号之一。

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