WMSIC Electronic Components

Viking ARG05BTC49R9

ModelARG05BTC49R9
Package0805
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 ARG05BTC49R9
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG05BTC49R9
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.029g
Electronic Component
49.9Ω
Electronic Component
1
Electronic Component
BM0264480925
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

ARG05BTC49R9贴片薄膜电阻产品概述

一、产品基本定位

ARG05BTC49R9是Viking(光颉)电子推出的精密贴片薄膜电阻,针对对阻值精度、温度稳定性要求苛刻的电子系统设计,采用0805标准贴片封装,核心围绕“高精密、宽温稳、小体积”三大特点,适配工业、医疗、通信等多领域的小型化、高可靠性应用场景。

二、核心性能参数深度解析

1. 阻值与精度控制

标称阻值为49.9Ω,精度等级达**±0.1%**(千分之一精度),属于精密电阻范畴。该精度可满足模拟电路中“信号分压、基准电压校准”等对阻值一致性要求严格的需求,避免因阻值偏差导致系统测量误差或功能失效(例如医疗设备的血压测量电路,精度偏差直接影响诊断结果)。

2. 功率与电压额定值

额定功率为125mW(0.125瓦),最大工作电压为150V。需注意:实际使用需同时满足“电压≤150V”和“功率≤125mW”两个限制(如150V工作时功率≈451mW,远超额定值,需结合电路功耗调整),确保电阻长期稳定。

3. 温度系数与宽温适应性

温度系数为**±25ppm/℃,即每℃阻值变化±0.0025%(如25℃→125℃,阻值变化≈±0.25%)。结合-55℃~+155℃**宽温范围,可稳定适配工业现场极端温差(如户外传感器、车载电子的高低温环境)。

4. 封装与物理尺寸

采用0805封装(英制0.08″×0.05″,公制2.0mm×1.2mm),体积小巧,贴装密度高,可缩小电路模块尺寸,适配消费电子、通信设备等空间受限场景。

三、设计优势与场景适配性

1. 薄膜电阻的技术优势

相比碳膜(精度低、温漂大)和普通金属膜,薄膜电阻通过真空镀膜形成电阻层,具有低噪声、高稳定性、高频特性好特点,尤其适合射频电路、精密模拟信号处理(如高端音频设备的前置放大电路)。

2. 高可靠性保障

符合RoHS无铅环保标准,焊接兼容性强(适配回流焊、波峰焊),通过抗振、抗湿测试,可在复杂环境长期工作(如工业生产线振动、户外设备潮湿)。

3. 典型应用场景

  • 工业自动化:传感器信号调理(压力/温度传感器分压网络)、PLC模拟输入模块;
  • 医疗电子:心电图机精密测量、血压计分压电路、输液泵流量控制;
  • 通信设备:基站射频阻抗匹配、光纤收发器信号衰减;
  • 汽车电子:车载音频放大、胎压监测信号处理。

四、品牌与品质保障

Viking(光颉)专注电阻研发20余年,ARG05BTC49R9通过ISO9001、IATF16949认证,每批次经阻值精度分选、温度特性测试,确保出厂一致性,可替代同类进口精密电阻。

五、选型与使用注意事项

  1. 功率降额:建议实际使用降额至额定功率80%以下,延长寿命;
  2. 温漂补偿:高精度仪器场景可结合温度系数做软件/硬件补偿;
  3. 焊接工艺:遵循0805标准参数(回流焊峰值240℃~260℃,时间≤10秒),避免过温损坏电阻层。

ARG05BTC49R9凭借高精密、宽温稳的特性,成为多领域小型化电子系统的可靠电阻选型,可有效提升电路性能稳定性。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.