WMSIC Electronic Components

Viking AR02BTC7502

ModelAR02BTC7502
Package0402
BrandVIKING
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
Viking AR02BTC7502
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR02BTC7502
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
75kΩ
Electronic Component
1
Electronic Component
BM0264911557
Operating Temperature
55℃~+155℃
Operating Voltage
25V
Electronic Component
±25ppm/℃
Resistor Type
Resistor

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

Viking光颉AR02BTC7502薄膜贴片电阻产品概述

Viking(光颉)作为国内精密电阻领域的核心供应商,推出的AR02BTC7502是一款针对高精准度、宽温稳定性设计的薄膜贴片电阻,采用0402超小封装,兼顾性能与空间效率,适用于各类对阻值精度敏感的精密电子设备。

一、产品核心定位与属性

AR02BTC7502属于工业级高精密薄膜电阻,核心定位为:在0402小型化封装下,实现±0.1%阻值精度与±25ppm/℃温度系数的平衡,同时满足62.5mW低功耗、25V工作电压的设计要求。其填补了小封装与高精度之间的性能 gap,针对校准电路、信号调理等对阻值稳定性要求严苛的场景优化。

二、关键性能参数深度解析

1. 阻值与精度

阻值固定为75kΩ(标准E96系列阻值),覆盖分压、滤波、反馈网络等常见电路需求;精度达**±0.1%**,远高于普通厚膜电阻(通常±1%~±5%),可有效减少电路系统误差,适合基准电压、精密测量等核心环节。

2. 功率与电压

额定功率为62.5mW,是0402封装电阻的典型功率等级,适配低功耗电子设备(如可穿戴、微型传感器);最大工作电压25V,在额定功率范围内可稳定工作(实际功耗计算:V=25V时,P=V²/R≈8.33mW,远低于额定值),避免过压击穿风险。

3. 温度特性

温度系数(TCR)为**±25ppm/℃,表示温度每变化1℃,阻值变化仅±25×10⁻⁶,稳定性显著优于碳膜电阻(通常±200ppm/℃以上);工作温度范围覆盖-55℃~+155℃**,满足工业级、车载级(部分场景)的极端温区需求,不会因温度波动导致电路性能漂移。

三、封装与工艺优势

1. 0402小型化封装

封装尺寸为1.0mm×0.5mm(长×宽),是贴片电阻的超小封装之一,可大幅降低PCB布局空间,适配高密度设计(如智能手机主板、微型医疗仪器),同时兼容自动贴装设备,提升生产效率。

2. 薄膜电阻工艺

采用真空溅射+光刻工艺制备电阻膜,相比厚膜电阻的丝网印刷工艺,膜层均匀性更高、阻值一致性更好;电阻膜与陶瓷基底结合牢固,抗老化、抗机械应力性能优异,长期使用阻值漂移极小。

四、典型应用场景

AR02BTC7502的性能特点使其适配多类场景:

  • 精密测量仪器:示波器、万用表的校准电路,需高精准度阻值保证测量准确性;
  • 通信设备:基站、路由器的信号调理电路,宽温稳定特性适应户外/机房环境;
  • 可穿戴电子:智能手表、手环的传感器信号放大电路,小封装+低功耗适配便携设计;
  • 工业控制模块:PLC的模拟量输入/输出电路,宽温范围适应车间高低温波动;
  • 汽车电子:胎压监测系统(TPMS)的辅助电路,部分低功耗场景符合车载温区要求。

五、可靠性与使用注意事项

1. 可靠性验证

光颉对该电阻进行了多轮可靠性测试:高温存储(155℃/1000h)、温度循环(-55℃+155℃/1000次)、振动测试(20Hz2000Hz)等,阻值漂移均控制在±0.05%以内,满足工业级可靠性标准。

2. 使用注意事项

  • 功率限制:实际电路功耗需≤62.5mW,避免过载;
  • 焊接工艺:采用回流焊时,需遵循0402封装温度曲线(峰值温度≤245℃,时间≤10s),避免过热损坏;
  • 存储条件:常温干燥环境(温度≤30℃,湿度≤60%),开封后12个月内使用完毕,避免受潮。

综上,Viking光颉AR02BTC7502凭借高精度、宽温稳定、小封装的核心优势,成为精密电子领域的高性价比选择,可有效提升电路性能的一致性与可靠性。

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