WMSIC Electronic Components

UNI-ROYAL 0603WAF4303T5E

Model0603WAF4303T5E
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 0603WAF4303T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0603WAF4303T5E
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
430kΩ
Electronic Component
10
Electronic Component
BM0257341381
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.

0603WAF4303T5E 产品概述

一、主要参数

  • 型号:0603WAF4303T5E(UNI-ROYAL / 厚声)
  • 封装:0603(1.6 mm × 0.8 mm)贴片
  • 阻值:430 kΩ
  • 精度:±1%
  • 功率:0.10 W(100 mW)
  • 允许工作电压:75 V
  • 温度系数:±100 ppm/℃
  • 工作温度范围:-55 ℃ ~ +155 ℃

二、性能特点

  • 厚膜工艺:成本效益高、对常规回流焊工艺兼容,适合大批量生产。
  • 精密等级:±1% 精度适合一般精密分压、偏置网络和信号处理电路。
  • 温漂说明:±100 ppm/℃ 意味着温度每变化100 ℃,阻值变化约1%(例如从 25 ℃ 上升 100 ℃ 时阻值约增减 1%),在温度敏感电路中需考虑温漂影响。
  • 功率与电压裕量:在最大允许电压 75 V 下,430 kΩ 两端电流约 0.174 mA,功耗约 13 mW,远低于额定 100 mW,普通工作条件下余量充足。

三、适用场景

  • 高阻值偏置与拉高/拉低电路(开关输入、微控制器电平拉高)
  • 传感器输入、高阻抗测量通道、滤波网络的阻值元件
  • 消费类电子、工业控制、仪器仪表等需在有限空间内实现高阻值的电路
  • 成本敏感且对温漂容忍度中等的精密应用

四、设计与使用建议

  • 温度降额:建议根据具体工作环境对功耗做温度降额处理,避免长期高温降低寿命;具体降额曲线以厂家数据为准。
  • 噪声与稳定性:厚膜电阻噪声和长期漂移通常高于金属膜,若为高精度低噪放大器输入,应评估是否使用低噪型号。
  • 电压系数(VCR):高阻值在高电压下可能出现额外误差,关键测量场合请验证实际电压下的阻值稳定性。

五、封装与贴装注意事项

  • 建议按标准回流焊工艺(符合无铅回流峰值温度≤260 ℃)焊接,避免反复高温回流。
  • 贴装时注意焊盘设计和焊膏量,保证良好焊接与足够机械强度;避免在应力集中的基板区域弯折。
  • 存储与搬运应防潮、防机械冲击,保持包装完整以免吸湿或氧化端点。

六、质量与选型提示

  • 该系列适合对成本、体积有严格要求且对温漂容忍度中等的应用。
  • 若对噪声、长期稳定性或温漂有更高要求,可考虑金属膜或薄膜高精度电阻替代。
  • 采购时建议索取厂方数据手册与环境可靠性试验报告(如温度循环、湿热测试)以确认满足项目可靠性需求。

如需更详细的再流焊曲线、温度降额曲线或环境应力试验数据,我可以协助联系厂家技术资料或给出更具体的设计建议。

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