WMSIC Electronic Components

RALEC RTA03-4D223JTP RTA03

ModelRTA03-4D223JTP
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

13 specifications

Core information

Product name
RALEC RTA03-4D223JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTA03-4D223JTP
Electronic Component
1
Package
0603x4
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0265746263
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 RTA03-4D223JTP 网络电阻器(排阻)产品概述

一、产品核心定位与基本属性

RALEC RTA03-4D223JTP是一款4位表面贴装网络电阻器(排阻),由台湾知名被动元件厂商旺诠(RALEC)出品。该器件将4个独立电阻集成在一个小型封装内,专为小信号电路的紧凑化设计打造,兼顾空间节省、生产效率与成本控制,是消费电子、数字逻辑电路等领域的常用基础元件。

二、关键电气参数详解

1. 电阻阻值与精度

  • 标称阻值:22kΩ(代码标识“223”,即22×10³Ω),为常见的信号级电阻值;
  • 精度等级:±5%(标识“J”),符合工业级普通精度电阻的标准要求,能满足大多数信号处理、电平控制场景的功能需求,无需高精度场景的额外成本。

2. 功率承载能力

  • 单个电阻单元功率:62.5mW(0.0625W);
  • 应用限制:仅适用于信号级电路(如逻辑电平控制、小电流放大、按键矩阵),不适合大电流或功率驱动场景;
  • 核心优势:低功率设计匹配小信号电路的能耗需求,同时降低发热风险,避免因功率过载导致的阻值漂移。

3. 温度系数(TC)

  • 标称值:±200ppm/℃;
  • 含义:每变化1℃,电阻值相对变化百万分之200(例如:100℃温差下,阻值变化约±2%);
  • 场景适配:适合普通消费电子、工业常温环境(-55℃至125℃常规工作温度范围),不适用极端高温(如>150℃)的严苛场景。

4. 引脚与电气连接

  • 引脚数量:8个;
  • 连接逻辑:4个独立电阻各对应2个引脚,可灵活配置为串联、并联或独立使用,常见于数字电路的上拉/下拉网络(如单片机IO口、FPGA输入接口)。

三、物理封装与工艺特性

1. 封装规格

  • 整体封装:1206(英制尺寸:3.2mm×1.6mm),表面贴装式(SMD),兼容自动化贴装设备;
  • 电阻单元封装:0603(1.6mm×0.8mm),集成于1206壳体内;
  • 空间优势:相比4个独立0603电阻,节省约50%的PCB空间,同时减少贴装点位(8个引脚 vs 16个独立贴装点),大幅提升生产效率。

2. 工艺与材料

  • 电阻材料:RALEC自研厚膜电阻浆料,稳定性好、成本可控;
  • 封装材料:耐高温环氧树脂,兼容回流焊(260℃峰值)、波峰焊等常规SMT工艺;
  • 引脚镀层:无铅锡镀层(符合RoHS标准),焊接可靠性高,无虚焊、脱落风险。

四、典型应用领域

1. 消费电子设备

  • 手机、平板的按键电路:排阻用于按键矩阵的上拉/下拉,简化电路设计;
  • 智能穿戴设备:低功耗信号处理(如心率传感器偏置电路);
  • 音频设备:小信号放大的偏置电阻网络。

2. 数字逻辑电路

  • 单片机(MCU)IO口上拉/下拉:4个电阻可同时配置4个IO口,减少元件数量;
  • FPGA/CPLD输入网络:稳定逻辑电平,避免IO口浮置状态。

3. 工业控制模块

  • 传感器信号调理电路:低功耗信号放大(如温度传感器输出调理);
  • 小型PLC输入输出接口:简化电路布局,提升模块紧凑性。

4. 汽车电子(常规环境)

  • 车载中控按键电路:常温环境下温度系数满足稳定需求;
  • 车载USB接口信号网络:兼容汽车电子-40℃至85℃的工作温度范围。

五、可靠性与环境适应性

1. 环境耐受能力

  • 工作温度:-55℃至125℃(行业标准,RALEC产品通常符合此范围);
  • 存储温度:-40℃至150℃,长期存储无性能衰减;
  • 湿度:符合IEC 60068-2-67标准,95%RH环境下无失效。

2. 可靠性指标

  • 阻值漂移:长期使用(1000小时)阻值变化≤±1%(典型值);
  • 焊接可靠性:经过260℃回流焊3次测试,无引脚脱落、阻值变化;
  • 机械强度:符合1206封装跌落测试标准(1.5m跌落),无性能异常。

六、选型与替代说明

  • 配套场景:适合需要4个相同阻值电阻的小信号、低功率场景,无需高精度、高功率需求;
  • 替代型号:若需更高精度(±1%),可选择RALEC同系列F级精度产品;若需更高功率(如1/10W),需改用独立电阻(但牺牲空间)。

该产品凭借紧凑集成、稳定可靠的特性,成为小信号电路设计中替代独立电阻的优选方案,广泛应用于消费电子、工业控制等领域。

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