WMSIC Electronic Components

RALEC RTA03-4D000JTP RTA03

ModelRTA03-4D000JTP
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTA03-4D000JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTA03-4D000JTP
Electronic Component
1
Package
1206
Electronic Component
Resistor Array
Electronic Component
±5%
Electronic Component
0.03g
Electronic Component
0Ω
Electronic Component
8
Electronic Component
1
Electronic Component
BM0265114406
Electronic Component
±200ppm/℃
Resistor
4
Power
62.5mW
Electronic Component
Electronic Component

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

RALEC旺诠RTA03-4D000JTP 0Ω排阻产品概述

一、产品基本属性概览

RALEC旺诠RTA03-4D000JTP是一款集成4个独立0Ω电阻的排阻产品,核心属性清晰明确:

  • 集成电阻数量:4个(独立工作,无并联/串联关系)
  • 单电阻标称阻值:0Ω(实际存在微小寄生电阻,符合行业常规)
  • 精度等级:±5%(阻值偏差范围,满足绝大多数跳接场景)
  • 单个电阻额定功率:62.5mW(低功耗设计适配性强)
  • 温度系数:±200ppm/℃(温度变化对阻值影响可忽略)
  • 引脚配置:8引脚(4个电阻各2引脚,便于多通道布线)
  • 封装尺寸:整体1206封装(每个电阻为0603尺寸,集成后空间利用率提升)
  • 品牌:RALEC(旺诠科技,台湾知名电阻制造商)

该型号通过紧凑封装整合多通道0Ω电阻,兼顾空间效率与焊接便利性,是中低功耗电路设计的实用选择。

二、核心技术参数的应用价值

1. 0Ω电阻的核心作用

0Ω电阻虽标称阻值为0,但实际存在约几十毫欧的寄生电阻,主要价值在于:

  • 电路跳接:替代导线实现不同模块/线路的快速连接,避免布线复杂;
  • EMI抑制:配合电容、电感组成滤波网络,抑制高频噪声(如无线设备的电磁干扰);
  • 测试点预留:焊接/拆卸方便,可作为电路调试的通断开关;
  • 信号匹配:低阻值特性适配高速信号路径,减少信号衰减。

4个独立0Ω电阻的集成,可同时满足多通道跳接需求,无需在PCB上分散布置4个独立0603电阻,优化布局空间。

2. 精度与温度特性的实际意义

  • ±5%精度:无需高精度0Ω电阻的成本,满足工业控制、消费电子等常规场景的阻值偏差要求;
  • ±200ppm/℃温度系数:温度每变化1℃,阻值变化仅约200毫欧(相对于寄生电阻),在-55℃~125℃的常规工作温度范围内,对电路性能无明显影响。

3. 功率与封装的优势

  • 62.5mW单电阻功率:适配低功耗电路(如IoT传感器、智能穿戴),避免过流烧毁;
  • 1206集成封装:比4个独立0603电阻节省约70%的PCB面积,且8引脚设计支持自动化焊接,提升生产效率。

三、典型应用场景

1. 多通道电路跳接

在主板、工业控制板中,替代4个独立0Ω电阻,实现电源模块、通信模块、传感器接口的快速跳接,简化布线复杂度。

2. EMI电磁干扰抑制

用于手机、路由器等无线设备的滤波电路,配合电容组成π型滤波,抑制高频噪声(如2.4GHz/5GHz频段的干扰)。

3. 测试点预留与调试

在汽车电子、医疗设备中,作为测试路径的通断开关,调试时焊接排阻实现信号导通,故障排查时拆卸排阻隔离模块。

4. 紧凑空间的低功耗设计

智能手表、智能灯泡、遥控器等空间受限产品,利用其集成优势减少元件数量,优化PCB布局。

四、品牌可靠性与工艺特点

RALEC旺诠作为全球电阻领域的成熟厂商,RTA03-4D000JTP采用厚膜电阻工艺,具备以下可靠性:

  • 环保合规:符合RoHS 2.0、REACH标准,无铅无卤;
  • 焊接可靠性:引脚镀锡处理,适配回流焊(240℃~260℃,≤30秒)、波峰焊(≤260℃,≤10秒);
  • 耐温性:工作温度范围-55℃~125℃,满足工业级与消费级产品需求;
  • 批量一致性:阻值偏差、温度系数均符合规格书,降低电路设计的不确定性。

五、使用注意事项

  1. 功率限制:单个电阻工作功率不得超过62.5mW(实际需根据寄生电阻计算电流:若寄生电阻R=50毫欧,则最大电流I≈1.12A);
  2. 焊接规范:无铅焊接时避免高温超时,防止电阻损坏;
  3. PCB焊盘设计:需符合1206封装标准(焊盘长1.6mm±0.1mm,宽0.8mm±0.1mm),确保焊接牢固;
  4. 存储条件:存储温度-40℃~85℃,湿度≤60%,避免受潮影响焊接性能。

综上,RALEC旺诠RTA03-4D000JTP是一款高性价比、集成度高的0Ω排阻,适用于各类中低功耗电路的跳接、EMI抑制与调试场景,是紧凑PCB设计的优选元件。

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