WMSIC Electronic Components

Viking ARG02BTC5490

ModelARG02BTC5490
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Viking ARG02BTC5490
Type
VIKING
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
ARG02BTC5490
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.009g
Electronic Component
549Ω
Electronic Component
1
Electronic Component
BM0265966193
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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ARG02BTC5490薄膜贴片电阻产品概述

ARG02BTC5490是Viking(光颉)推出的一款高精度小功率薄膜贴片电阻,采用0402封装(英制尺寸),专为对阻值精度、温度稳定性要求严苛的小型化电子设备设计,核心参数覆盖阻值549Ω、精度±0.1%、功率62.5mW等关键指标,适配高密度PCB布局与宽温工作场景。

一、产品定位与核心应用方向

ARG02BTC5490定位于精密信号调理与低功耗电路中的阻值基准元件,其高精度、小封装特性使其成为以下场景的优选:

  • 便携医疗设备:血糖监测仪、腕式血压计的信号放大与反馈回路(稳定阻值保证测量精度);
  • 智能穿戴设备:智能手表、蓝牙耳机的传感器接口电路(小封装适配紧凑空间);
  • 工业传感器模块:压力、温度传感器的信号调理单元(宽温环境下阻值稳定);
  • 小型化消费电子:TWS耳机、智能手环的电源管理与滤波电路(低功率匹配设备功耗)。

二、关键性能参数深度解析

ARG02BTC5490的核心参数针对精密应用做了优化,各指标的实际意义如下:

  1. 阻值与精度:固定阻值549Ω,精度±0.1%(即阻值偏差≤±0.549Ω),薄膜工艺实现了比厚膜电阻更高的精度一致性,适合作为电路中的基准电阻或反馈电阻;
  2. 功率与电压限制:额定功率62.5mW,额定电压50V(为极限电压值)。实际应用需遵循功率约束:( V_{max实际} = \sqrt{P_{额定} \times R} = \sqrt{0.0625W \times 549Ω} ≈ 5.86V ),即工作电压不得超过5.86V,避免过功率损坏;
  3. 温度系数(TCR):±25ppm/℃,表示温度每变化1℃,阻值变化量为549Ω×25×10⁻⁶≈0.0137Ω。该指标远优于普通碳膜电阻(通常±200ppm/℃以上),宽温环境下阻值稳定性显著;
  4. 工作温区:-55℃~+155℃,覆盖工业级与汽车电子周边的典型温度范围,但需注意高温降额:125℃以上功率需降额至额定值的50%,155℃时降额至25%,以保证长期可靠性。

三、封装与工艺特性

  1. 封装尺寸:0402英制封装(对应公制1005,即长1.0mm×宽0.5mm),适配0.4mm pitch的PCB焊盘,支持SMT自动化贴装,适合高密度电路布局;
  2. 薄膜工艺优势:采用镍铬(NiCr)薄膜电阻体(Viking典型工艺),相比厚膜电阻:
    • 阻值一致性更好,批次间偏差小;
    • 温度系数更低,宽温下性能稳定;
    • 长期老化率低(通常≤0.1%/1000h,无额外负载);
  3. 焊接兼容性:支持回流焊、波峰焊(需控制焊料量),焊接后无明显阻值漂移,符合IPC-A-610电子组装标准。

四、可靠性与环境适应性

ARG02BTC5490通过了多项可靠性测试,满足工业级应用要求:

  • 湿度测试:85℃/85%RH环境下1000h,阻值变化≤0.2%;
  • 温度循环测试:-55℃~+155℃循环1000次,阻值变化≤0.15%;
  • 耐焊接热测试:260℃回流焊3次(每次10s),阻值变化≤0.1%;
  • ESD防护:符合IEC 61000-4-2标准,接触放电±8kV,空气放电±15kV,降低静电损坏风险。

五、选型与应用注意事项

  1. 选型验证:需确认电路需求的以下指标与产品匹配:
    • 工作电压≤5.86V(或功率≤62.5mW);
    • 精度要求≤±0.1%(考虑温度系数叠加后的总偏差);
    • 工作环境温度在-55℃~+155℃范围内(并按温度降额功率);
  2. 应用注意:
    • 避免在高湿度、高盐雾环境下无防护使用(可采用 conformal coating);
    • 焊接时需控制焊盘尺寸(建议0.3mm×0.3mm),避免焊料过多导致桥接;
    • 若电路中存在瞬态电压,需并联TVS二极管保护,防止过压损坏。

ARG02BTC5490凭借高精度、小封装、宽温稳定的特性,成为精密电子设备中替代普通电阻的理想选择,尤其适合对空间与性能有双重要求的场景。

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.