WMSIC Electronic Components

UNI-ROYAL 0603WAF4322T5E

Model0603WAF4322T5E
Package0603
BrandUNI-ROYAL
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
UNI-ROYAL 0603WAF4322T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0603WAF4322T5E
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
43.2kΩ
Electronic Component
1
Electronic Component
BM0263477954
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.

0603WAF4322T5E厚膜贴片电阻产品概述

一、产品基本定位与核心参数

0603WAF4322T5E是UNI-ROYAL(厚声)推出的小型化精密厚膜贴片电阻,专为高密度电路集成设计,兼顾性能稳定性与成本优势。其核心参数明确:

  • 阻值:43.2kΩ,精度±1%(精密级标准);
  • 电气额定值:100mW(额定功率)、75V(额定工作电压);
  • 温度特性:±100ppm/℃(温度系数),工作温度范围-55℃~+155℃;
  • 封装:0603(英制,对应公制1608)。

二、封装与工艺特性

该电阻采用0603小型化贴片封装(尺寸1.6mm×0.8mm),适配自动化SMT生产,可显著提升电路集成密度。核心工艺为厚膜烧结技术:通过丝网印刷将电阻浆料沉积在氧化铝陶瓷基底上,经高温烧结形成致密电阻膜层,兼具以下优势:

  • 膜层与基底结合牢固,抗机械冲击、振动性能优异;
  • 成本低于薄膜电阻,适合大规模量产;
  • 耐温性能优于碳膜电阻,适配高温场景。

三、电气性能详解

1. 阻值精度与稳定性

±1%的精度可满足大多数工业控制、消费电子的信号调理、分压需求,无需额外校准即可实现稳定电路功能。结合±100ppm/℃的温度系数,在典型工作温度变化(25℃±40℃)下,阻值漂移仅约0.4%,维持电路性能一致性。

2. 功率与电压约束

额定功率100mW、电压75V需同时满足:

  • 若工作电压为75V,最大允许电流≈1.736mA(75V/43.2kΩ),此时功率≈130mW(超额定),需将电压限制在≤68.4V以保证功率≤100mW;
  • 实际应用建议功率降额至80%(≤80mW),延长使用寿命。

四、环境适应性与可靠性

1. 宽温工作范围

-55℃+155℃覆盖**工业级(-4085℃)、汽车电子部分场景(-40~125℃)及高温工业设备(如LED驱动)**,高温下仍能保持阻值稳定。

2. 可靠性验证

经IEC 60115等标准测试:

  • 温度循环(-55℃~+155℃,循环500次)后阻值漂移≤0.5%;
  • 湿度老化(85℃/85%RH,1000小时)后阻值变化≤1%;
  • 抗振动(10~2000Hz,加速度2g)性能符合汽车电子要求。

五、品牌与典型应用场景

1. 品牌背景

UNI-ROYAL(厚声)是国内电阻制造龙头,产品通过ISO 9001、IATF 16949认证,广泛应用于全球电子领域,质量可靠性经市场验证。

2. 典型应用

  • 消费电子:智能手机/平板的电源管理(DC-DC分压)、音频信号调理;
  • 工业控制:PLC模拟量模块、传感器信号放大电路;
  • 汽车电子:车载背光驱动、LED转向灯控制(适配高温环境);
  • 通信设备:路由器/交换机的信号滤波、电源滤波网络。

六、选型与应用注意事项

  1. 功率降额:高温环境(>100℃)下建议功率降额至60%(≤60mW);
  2. 焊接工艺:SMT回流焊峰值温度240~250℃,焊接时间≤10秒,避免过焊损坏膜层;
  3. 电压限制:实际工作电压不得超过75V,防止击穿;
  4. 温度适配:若环境温度超出-55℃~+155℃,需更换宽温/高温专用电阻。

该产品凭借小型化、高精度、宽温稳定等特性,成为消费电子、工业控制等领域的高性价比选择。

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