WMSIC Electronic Components

RALEC RTA03-4D1000FTP RTA03

ModelRTA03-4D1000FTP
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTA03-4D1000FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTA03-4D1000FTP
Electronic Component
1
Package
0603x4
Electronic Component
Resistor Array
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
100Ω
Electronic Component
8
Electronic Component
1
Electronic Component
BM0265134771
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 RTA03-4D1000FTP 厚膜排阻产品概述

RALEC(旺诠)作为国内被动元件领域的成熟厂商,其RTA03系列厚膜排阻以紧凑集成、高一致性、稳定可靠为核心优势。RTA03-4D1000FTP是该系列中典型的4通道同阻值排阻,专为需要多电阻紧凑布局的电路设计,广泛覆盖消费电子、工业控制等中低功耗场景。

一、产品基本定位

RTA03-4D1000FTP属于表面贴装厚膜集成排阻,核心设计是将4个独立0603尺寸(1.6mm×0.8mm)电阻元件封装在1206标准封装(3.2mm×1.6mm)内,引脚数8个(4个电阻各2引脚)。产品采用旺诠成熟的厚膜印刷工艺制造,兼容自动贴片机(SMT)作业,适合高密度PCB布局需求。

二、核心电气参数详解

该产品参数严格遵循工业级标准,关键指标如下:

1. 阻值与精度

  • 单个电阻阻值:100Ω(E96系列标准阻值,适配±1%精度要求);
  • 精度等级:±1%(室温25℃下,阻值范围99Ω~101Ω,满足大多数信号调理、分压电路的精度需求);
  • 阻值稳定性:长期工作(1000小时老化)阻值漂移≤0.5%。

2. 功率与散热

  • 单个元件额定功率:62.5mW(即0.0625W);
  • 总功率限制:因1206封装散热能力有限,多通道同时工作时总功率建议不超过250mW(4×62.5mW);
  • 功率降额曲线:温度超过70℃时,每升高1℃功率降额0.5%(如100℃时,单个功率降至43.75mW)。

3. 温度特性

  • 温度系数(TCR):±200ppm/℃(温度每变化1℃,阻值变化±0.02%);
  • 工作温度范围:-55℃~+125℃(工业级环境兼容);
  • 存储温度范围:-55℃~+150℃。

4. 其他电气特性

  • 绝缘电阻:≥100MΩ(500V DC);
  • 引脚间耐压:≥100V AC;
  • 噪声系数:≤-40dB(1kHz下,适合低噪声信号电路)。

三、封装与引脚设计

1. 封装规格

  • 封装类型:1206(SMT表面贴装);
  • 物理尺寸:3.2mm(长)×1.6mm(宽)×0.8mm(高);
  • 焊盘适配:建议PCB焊盘尺寸为1.2mm×1.6mm(适配自动贴装,减少偏移风险)。

2. 引脚配置

  • 引脚数:8个,线性排列(引脚1-2对应电阻1,3-4对应电阻2,5-6对应电阻3,7-8对应电阻4);
  • 引脚材质:镀锡铜合金(抗氧化性强,焊接牢固,虚焊率≤0.1%);
  • 引脚间距:0.8mm(标准SMT间距,便于PCB布线)。

四、典型应用场景

RTA03-4D1000FTP因紧凑布局和稳定性能,适用于以下场景:

1. 消费电子

  • 手机/平板:电源滤波电路的分压电阻、音频信号调理的偏置电阻;
  • 智能家居:传感器节点(温湿度、人体感应)的上拉/下拉电阻;
  • 可穿戴设备:低功耗心率传感器的信号匹配电阻。

2. 工业控制

  • PLC输入输出模块:数字量输入的限流电阻、模拟量输出的分压电阻;
  • 小型电机驱动:控制电路的反馈电阻(低功耗需求);
  • 工业传感器:压力/流量传感器的信号调理电阻。

3. 通信设备

  • 路由器/交换机:指示灯驱动的限流电阻(4个LED对应4个电阻,集成节省空间);
  • 射频前端:低功率匹配网络的串联/并联电阻。

4. 汽车电子(低功耗场景)

  • 车载信息娱乐系统:按键面板的上拉电阻(-40℃~+85℃环境稳定);
  • 汽车传感器:胎压监测系统的信号电阻。

五、产品核心优势

1. 空间利用率提升70%

4个0603电阻集成在1206封装内,相比离散电阻节省约70%的PCB面积,适合高密度电路设计(如手机主板、小型PLC模块)。

2. 同批次一致性优异

同批次排阻的4个电阻采用同一工艺制造,阻值偏差、温度系数的一致性远优于离散电阻(离散电阻可能存在不同批次、不同元件的偏差)。

3. 焊接效率翻倍

一次焊接完成4个电阻,减少SMT工序时间和人工成本,降低虚焊、错焊风险(相比离散电阻,焊接效率提升100%)。

4. 可靠性稳定

厚膜工艺制造的电阻元件耐温性好,集成封装减少外部电磁干扰,长期工作MTBF(平均无故障时间)≥10^6小时。

六、选型与使用注意事项

  1. 功率验证:确认电路中每个电阻的实际功耗(I²R)不超过62.5mW,避免过功率损坏;
  2. 精度匹配:若需更高精度(如±0.1%),需选择旺诠RTA01系列高精度排阻;
  3. 温度环境:若工作环境温度超过100℃,需按功率降额曲线调整使用功率;
  4. 静电防护:厚膜电阻对静电敏感,SMT过程需采用防静电措施(接地工作台、防静电包装);
  5. 封装兼容性:确认PCB焊盘尺寸与1206封装匹配,避免贴装偏移导致焊接不良。

总结:RTA03-4D1000FTP是一款高性价比的4通道厚膜排阻,旺诠的成熟工艺保证了其性能稳定和一致性,适合紧凑空间、多同阻值电阻的中低功耗应用,是消费电子、工业控制等领域的优选元件。

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