WMSIC Electronic Components

RALEC RTA03-4D102JTP RTA03

ModelRTA03-4D102JTP
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 Option 159791

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTA03-4D102JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTA03-4D102JTP
Electronic Component
1
Package
0603x4
Electronic Component
Resistor Array
Electronic Component
±5%
Electronic Component
0.03g
Electronic Component
1kΩ
Electronic Component
8
Electronic Component
1
Electronic Component
BM0265147839
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 RTA03-4D102JTP 排阻产品概述

一、产品核心身份与定位

RALEC(旺诠)RTA03-4D102JTP是一款4位贴片式排阻,专为高密度电路设计打造。其核心价值在于将4个独立电阻集成于单一封装,既保留电阻网络的灵活性,又大幅节省PCB空间,广泛适配消费电子、工业控制、汽车电子等领域的标准化电路需求。

二、关键电气参数详解

该排阻的核心参数围绕“小型化、稳定型、适配性”设计,具体如下:

  1. 电阻数量与阻值:内置4个独立电阻,单颗阻值为1kΩ(代码“102”表示10×10²Ω),阻值精度为**±5%**(后缀“J”对应行业通用精度标识),满足大多数中精度电路的匹配需求。
  2. 功率容量:单颗电阻最大功耗为62.5mW,即每个电阻允许的长期工作功率上限为0.0625瓦;若4个电阻同时满负荷工作,总功耗需控制在250mW以内(实际应用中需根据电路负载留有余量)。
  3. 温度稳定性:温度系数为**±200ppm/℃**,表示温度每变化1℃,阻值漂移不超过百万分之200(约0.02%)。例如,工作温度从25℃升至85℃(变化60℃),阻值最大漂移仅±1.2%,可稳定适配-55℃~125℃的宽温环境(旺诠典型产品范围)。
  4. 封装与引脚:整体封装为1206(英制,公制3216),每个电阻的单体封装为0603(1608),通过8引脚贴片设计实现4个电阻的独立引出,方便电路中灵活调用单个或多个电阻。

三、物理与工艺特性

  1. 小型化集成:4个0603电阻集成于1206封装,相比离散4个0603电阻,PCB占用面积减少约40%,尤其适合智能穿戴、车载显示屏等对空间敏感的产品。
  2. 厚膜工艺:采用旺诠成熟的厚膜电阻技术,通过丝网印刷、烧结等工艺制备电阻层,确保阻值一致性(同批次产品阻值偏差远低于标称±5%),且抗振动、抗冲击性能优于薄膜电阻,适配工业级振动环境。
  3. 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅焊接兼容回流焊/波峰焊工艺,适合绿色电子产品的批量生产。

四、典型应用场景

该排阻的“小型化+稳定型”特性使其成为以下场景的优选:

  1. 消费电子按键矩阵:手机、平板、智能手表的按键电路中,4个电阻可组成上拉/下拉网络,每个按键对应一个电阻,简化电路设计并节省空间。
  2. 工业控制接口:PLC、传感器模块的信号匹配电路中,用于电平转换、分压或偏置,稳定的温度系数可减少环境温度变化对信号精度的影响。
  3. 汽车电子辅助电路:车载仪表盘、中控屏的轻触按键、LED驱动电路中,抗振动性能适配汽车行驶中的机械冲击。
  4. 通信设备接口:路由器、交换机的RJ45接口或USB接口的辅助电阻网络,高密度集成满足设备小型化需求。

五、选型与使用注意事项

  1. 功率限制:单颗电阻最大电压为√(P×R)=√(62.5mW×1kΩ)≈7.9V,最大电流为P/R=62.5μA,使用时需确保每个电阻的工作电压/电流不超过此值,避免过功率烧毁。
  2. 精度适配:±5%精度适合一般电路,若需更高精度(如±1%),需更换旺诠其他系列排阻(如带“F”后缀的型号)。
  3. 焊接要求:贴片封装需遵循回流焊温度曲线(峰值温度≤245℃,时间≤10秒),避免焊接温度过高导致阻值漂移。
  4. 静电防护:厚膜电阻虽抗静电能力优于薄膜,但仍需在ESD防护环境下操作,避免静电损坏。

RALEC RTA03-4D102JTP以“高集成度、稳定可靠、成本适中”的特点,成为中低端电路中替代离散电阻的理想选择,尤其适合对空间和一致性有要求的批量应用场景。

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