WMSIC Electronic Components

UNI-ROYAL 0603WAF1201T5E

Model0603WAF1201T5E
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 0603WAF1201T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0603WAF1201T5E
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
1.2kΩ
Electronic Component
1
Electronic Component
BM0257245030
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.

0603WAF1201T5E 产品概述

一、产品简介

0603WAF1201T5E 是 UNI-ROYAL(厚声)推出的一款厚膜贴片电阻,封装为 0603(约 1.6 mm × 0.8 mm),标称阻值 1.2 kΩ,精度 ±1%,额定功率 100 mW,额定工作电压 75 V,温度系数(TCR)±100 ppm/℃,工作温度范围 -55℃ ~ +155℃。该器件适用于空间受限且对成本和可靠性有一定要求的通用电子设备。

二、主要参数与性能要点

  • 电阻类型:厚膜电阻(Thick Film)
  • 阻值:1.2 kΩ(标称)
  • 精度:±1%
  • 额定功率:0.1 W(100 mW)
  • 额定工作电压:75 V(请结合功率限制使用)
  • 温度系数:±100 ppm/℃(约 ±0.01%/℃)
  • 工作温度:-55℃ ~ +155℃
  • 封装:0603(SMD)
  • 品牌:UNI-ROYAL(厚声)

三、使用注意与电压/功率关系

需要特别说明的是电阻的额定工作电压与耗散功率必须同时满足才能安全使用。按 P = V^2 / R 计算,当在 1.2 kΩ 上施加 75 V 时,耗散功率约为 4.7 W,远超 0.1 W,必然损坏器件。因此在设计中应以功率限制为准:按额定功率 0.1 W 计算,该阻值允许的最大安全电压约为 sqrt(P×R) ≈ 10.95 V。实际电路中请确保任一元件上的电压或功率均不超过其额定值并留有裕量。

四、温漂与稳定性说明

TCR 为 ±100 ppm/℃,意味着温度变化 100℃ 时电阻可能变化约 ±1%。在典型工作温度范围(-55℃ 到 +155℃,跨度 210℃)内,累计温漂可能接近 ±2.1%。厚膜电阻在成本、尺寸和通用性上有优势,但其长期稳定性与噪声性能通常不及金属薄膜/金属化膜电阻,若电路对长期漂移或超低噪声敏感,应考虑更高规格的替代品。

五、封装与贴装建议

0603 封装适合自动贴装与回流焊工艺。建议:

  • 使用标准 Tape & Reel 供货与贴片机作业;
  • 设计 PCB 焊盘时遵循厂商推荐 land pattern,确保焊膏量与焊盘大小匹配;
  • 回流焊时采用符合无铅工艺的温度曲线,避免超过器件允许的结温;
  • 避免在贴装后对管脚施加过大机械应力(弯曲或刮擦),以防造成电阻开裂或焊点失效。

六、典型应用场景

适用于:移动设备、消费电子、工业控制、传感器接口、拉/下拉电路、分压器与滤波网络等需要小型化、经济型电阻的场合。对于需要更低温漂或更高精度的测量前端,可考虑采用金属薄膜或专用精密电阻。

七、选型建议与可靠性

  • 若需要更低 TCR(如 ±25 ppm/℃)或更高长期稳定性,选择金属薄膜或薄膜高精度产品;
  • 在高温或高功率工况下,应考虑更大封装或更高功率等级的电阻;
  • 对于批量采购,建议索取完整数据表(含热阻、脉冲能力、焊接曲线和可靠性试验结果)并与供应商确认包装形式与数量。

总结:0603WAF1201T5E 是一款适合通用电子产品的小型厚膜贴片电阻,兼顾成本与尺寸优势,设计使用时请重点关注功率与电压匹配以及温漂对电路精度的影响。若需我提供封装尺寸图、推荐 PCB 焊盘或代替型号比较,可继续说明具体需求。

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