WMSIC Electronic Components

RALEC RTT03432JTP

ModelRTT03432JTP
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+

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Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT03432JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT03432JTP
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.023g
Electronic Component
4.3kΩ
Electronic Component
10
Electronic Component
BM0265147711
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.

RTT03432JTP 厚膜贴片电阻产品概述

一、产品基本属性

RTT03432JTP为RALEC(旺诠)品牌厚膜贴片电阻,采用0603英制贴片封装(对应公制1608封装,尺寸约1.6mm×0.8mm×0.4mm),是针对通用电路设计的低成本、高可靠性器件。核心基础参数明确:阻值4.3kΩ(E24标准系列)、精度±5%、额定功率100mW、工作电压75V、温度系数±100ppm/℃、工作温度范围-55℃~+155℃,覆盖工业级宽温需求。

二、核心性能参数解析

  1. 阻值与精度:4.3kΩ为E24系列标准阻值,±5%精度满足大多数通用电路(如分压、限流)的误差要求,无需校准即可稳定工作,成本低于高精度等级(±1%)。
  2. 功率与电压:100mW为0603封装厚膜电阻的典型功率等级;75V额定电压需结合功率降额使用(实际功率P=U²/R,若75V工作则功率≈1.3W,远超额定值,需通过分压/降额确保功率≤100mW)。
  3. 温度系数(TCR):±100ppm/℃表示温度每变化1℃,阻值漂移±0.01%;在-55℃~+155℃范围内,最大漂移为±86Ω(≈±2%),满足宽温环境下的性能一致性。
  4. 工作温度范围:-55℃至+155℃覆盖工业级标准区间,优于民用级(-40℃~+85℃),可用于户外设备、高温工业场景及部分汽车辅助电路。

三、封装与工艺特点

RTT03432JTP采用厚膜工艺制造:以氧化铝陶瓷基片为载体,丝网印刷钌系电阻浆料后高温烧结,再覆盖玻璃釉保护层,最终完成电极端处理。该工艺兼具:

  • 成本优势:比薄膜电阻低30%~50%,适合批量应用;
  • 性能稳定:陶瓷基片散热性优于有机基片,功率承载能力更强;
  • 封装优势:0603无引线设计,抗振动/冲击性能优异,适配SMT自动化生产。

四、典型应用场景

因性价比高、宽温适应性强,广泛应用于:

  1. 消费电子:手机、平板、智能穿戴的信号调理(音频分压、触控偏置);
  2. 工业控制:PLC、传感器接口的限流电阻,温度监测电路的分压网络;
  3. 通信设备:小型基站、路由器的电源滤波、信号匹配;
  4. 小家电:电磁炉、电饭煲的控制分压,LED驱动辅助电阻;
  5. 汽车辅助电路:车内温度传感器接口、仪表盘背光(非核心车规电路)。

五、可靠性与环境适应性

  1. 抗湿性:玻璃釉+陶瓷基片抗潮性优异,85℃/85%RH测试1000小时后阻值漂移≤0.5%;
  2. 机械可靠性:可承受10g20g振动(10Hz2000Hz)、1000g冲击(1ms),适配移动设备;
  3. 长期稳定性:125℃高温老化1000小时后阻值漂移≤0.3%,确保电路长期一致性;
  4. 焊接兼容性:支持回流焊(峰值240℃~250℃,≤10秒)、波峰焊(浸锡≤3秒),无焊接缺陷。

六、选型与应用注意事项

  1. 功率降额:常温(25℃)降额≥50%(实际功率≤50mW),高温(>100℃)降额≥70%(≤30mW);
  2. 电压限制:实际电压≤75V,高压电路需串联分压;
  3. 存储条件:干燥环境(25±5℃、湿度<60%RH),存储周期≤12个月;
  4. 精度匹配:需±1%精度时,替换为旺诠RTT03432FTP型号;
  5. 焊接工艺:避免局部过热,波峰焊控制浸锡时间。

RTT03432JTP通过平衡成本与性能,成为通用电路的主流选择,适用于对精度、宽温有基础需求的各类电子设备。

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