WMSIC Electronic Components

RALEC RTA03-4D203JTP RTA03

ModelRTA03-4D203JTP
Package0603x4
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 25+

Available for RFQ

Technical data

Product details

14 specifications

Core information

Product name
RALEC RTA03-4D203JTP
Type
0603X4
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTA03-4D203JTP
Electronic Component
1
Package
0603x4
Electronic Component
Resistor Array
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0265966656
Electronic Component
Electronic Component
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 RTA03-4D203JTP 排阻产品概述

一、产品基本定位

RALEC RTA03-4D203JTP是一款小型化四通道集成排阻,专为紧凑电路设计场景打造。它将4个独立电阻整合于单一1206封装内,在保持基础电气性能的前提下,大幅提升PCB空间利用率,同时降低离散元件的组装成本与故障率,是消费电子、工业控制等领域的常规被动元件选择。

二、核心性能参数详解

该排阻的关键参数围绕“通用型、集成化”设计,具体如下:

  1. 电阻集成数量:4个独立电阻,每个电阻具备独立电气特性,可灵活用于分压、限流、信号匹配等电路;
  2. 标称阻值:20kΩ(标识代码“203”,即20×10³Ω),符合E24系列标准阻值,适配多数常规电路需求;
  3. 精度等级:±5%(J级),满足一般电子电路对阻值误差的要求,无需高精度场景下可有效控制成本;
  4. 单电阻功率:62.5mW,单电阻可稳定承载62.5mW功率,多电阻并联时需根据实际负载分配功率(需注意整体散热);
  5. 温度系数(TCR):±200ppm/℃,表示温度每变化1℃,阻值变化量为标称值的0.02%,适用于-40℃~+85℃常规工作温度范围;
  6. 引脚配置:8引脚(两侧各4引脚),4个电阻各对应2个引脚,布线时可实现对称布局,减少信号串扰。

三、封装与物理特性

  • 整体封装:1206(英制尺寸3.2mm×1.6mm),表面贴装(SMD)封装,兼容主流自动贴片机作业,焊接工艺成熟;
  • 单电阻封装参考:用户描述中的“0603x4”指每个集成电阻的封装规格为0603(1.6mm×0.8mm),通过紧凑布局将4个0603电阻整合为1206封装,空间利用率较离散元件提升约4倍;
  • 材料与工艺:采用厚膜电阻技术(结合功率与TCR特性),电阻层稳定性好;引脚为镀锡处理,抗氧化性强,焊接可靠性高,符合RoHS无铅环保要求。

四、典型应用场景

该排阻因集成化、低成本特性,广泛应用于以下领域:

  1. 消费电子:智能手机/平板的按键分压电路(多按键需多电阻匹配)、音频接口偏置电阻、LED指示灯限流网络;
  2. 工业控制:小型PLC的I/O接口电阻网络、传感器信号调理电路(电压分压、电流限制)、小型仪器仪表的信号匹配;
  3. 通信设备:路由器/交换机的LED状态灯限流、以太网接口的偏置电阻、小型基站的信号调理;
  4. 汽车电子:车载中控的小功率信号电路(如按键、指示灯)、倒车雷达的辅助电阻网络(需满足车载温度范围)。

五、品牌与可靠性优势

RALEC(旺诠)作为台湾老牌被动元件厂商,该产品具备以下优势:

  1. 质量认证:通过ISO9001质量管理体系、IATF16949汽车电子认证,产品一致性好;
  2. 可靠性测试:经过高低温循环(-55℃~+125℃)、湿度老化(85℃/85%RH)、焊接热冲击等测试,故障率低;
  3. 设计适配性:集成化设计减少PCB布线复杂度,降低电磁干扰(EMI),提升电路稳定性,同时简化组装流程,降低生产成本。

该产品以“高集成度、低成本、稳定可靠”为核心优势,是电子设计中替代离散电阻的优选方案,适配多数常规电子设备的小型化需求。

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