WMSIC Electronic Components

RALEC RTT03472JTP

ModelRTT03472JTP
Package0603
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 RTT03472JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT03472JTP
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.023g
Electronic Component
4.7kΩ
Electronic Component
10
Electronic Component
BM0265577619
Operating Temperature
55℃~+155℃
Operating Voltage
75V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

RTT03472JTP 厚膜贴片电阻产品概述

一、产品核心身份与定位

RTT03472JTP是台湾旺诠电子(RALEC)推出的0603封装通用厚膜贴片电阻,属于旺诠常规电阻产品线的核心型号。其设计围绕“小型化、宽温稳定、经济实用”三大核心,适配90%以上非精密级电子电路需求,是便携电子、工业控制等领域的高性价比选型。

二、关键电气性能参数详解

该型号参数经过针对性优化,贴合0603封装的功率与尺寸限制:

  1. 阻值与精度:标称阻值4.7kΩ(行业代码“472”,前两位“47”为有效数,第三位“2”代表10²倍),精度±5%(标识“J”档)—— 虽非精密级,但可覆盖分压、限流、偏置等常规电路需求。
  2. 功率与电压约束:额定功率100mW(1/10W),最大工作电压75V;需注意实际电压需以功率限制为准:根据(P=V^2/R),实际工作电压需低于(\sqrt{0.1W×4700Ω}≈21.7V),避免超功率过热。
  3. 温度特性:温度系数±100ppm/℃(温度每变1℃,阻值变±0.01%),工作温度-55℃~+155℃—— 覆盖工业级、车载级宽温需求,长期阻值漂移可控。

三、封装与物理特性

采用0603贴片封装(英制0.06″×0.03″,公制1.6mm×0.8mm),适配主流SMT工艺:

  • 电极结构:无铅镍锡表层+陶瓷基片,焊接兼容性强,可支持回流焊、波峰焊;
  • 材质特性:厚膜电阻浆料+玻璃釉保护,抗机械应力、环境腐蚀能力优于薄膜电阻;
  • 尺寸一致性:封装公差≤±0.1mm,适配自动化贴装,批量生产良率高。

四、典型应用场景

RTT03472JTP的参数特性决定其在以下场景广泛应用:

  1. 便携消费电子:手机主板信号分压、智能手表传感器偏置,利用小型化节省PCB空间;
  2. 工业控制:PLC输入/输出接口限流、传感器信号调理,宽温满足车间昼夜温差;
  3. 车载电子:仪表盘背光控制、辅助驾驶信号匹配,符合-55℃~+155℃车载标准;
  4. 物联网节点:智能门锁、环境传感器电源滤波,100mW适配低功耗需求;
  5. 通信设备:路由器电源分配、交换机射频匹配,批量成本优势明显。

五、可靠性与质量认证

旺诠作为专业电阻厂商,该型号通过多项行业认证:

  • 环保认证:符合RoHS 2.0、REACH,无铅无镉;
  • 可靠性测试:高温存储(155℃×1000h)、温度循环(-55℃~+155℃×500次)后,阻值变化率≤±1%;
  • 一致性:批量阻值分布均匀,离散性小,适合工业化生产。

六、选型与使用注意事项

  1. 代码识别:避免混淆“472”(4.7kΩ)与“471”(470Ω),可通过万用表初测验证;
  2. 功率降额:≥125℃环境下,功率需降额至50%(50mW),避免过热失效;
  3. 焊接工艺:回流焊峰值温度240℃~250℃,时间≤10s,避免损坏陶瓷基片;
  4. 温漂补偿:精密电路需增加补偿,或换用更低温漂的薄膜电阻。

该型号凭借稳定性能、经济成本与广泛兼容性,成为电子工程师常规电路设计的“常用备选”,尤其适合尺寸、成本敏感但需宽温可靠性的场景。

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