WMSIC Electronic Components

Viking AR03FTC4421

ModelAR03FTC4421
Package0603
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 AR03FTC4421
Type
VIKING
Minimum package
5000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
VIKING
Electronic Component
AR03FTC4421
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.023g
Electronic Component
4.42kΩ
Electronic Component
1
Electronic Component
BM0264480897
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.

AR03FTC4421 薄膜贴片电阻产品概述

一、产品定位与基础信息

AR03FTC4421是台湾光颉(Viking)电子推出的0603封装薄膜贴片电阻,属于高精度、小功率、宽温域的通用型被动元件。该产品针对电路对阻值精度、稳定性及环境适应性要求较高的场景设计,兼具小体积与高可靠性,可广泛适配消费电子、工业控制、通信等领域的量产需求,是替代常规厚膜电阻的优选方案。

二、核心性能参数深度解析

2.1 阻值与精度

产品标称阻值为4.42kΩ(4420Ω),精度等级为**±1%**,符合工业级通用电阻的精度标准。该精度可满足多数电路的信号调理、分压、限流等需求,无需额外校准即可实现稳定的电路性能,尤其适合对阻值偏差敏感的模拟电路。

2.2 功率与电压限制

  • 额定功率:62.5mW(0.0625W),是产品长期稳定工作的功率上限;
  • 额定电压:50V,需注意功率与电压的匹配关系(公式:(P=\frac{V^2}{R}))。经计算,50V电压下该电阻的功耗约为566mW,远超过额定功率,因此实际使用时需以功率限制优先,避免过功率导致电阻发热失效。

2.3 温度系数(TCR)

温度系数为**±25ppm/℃**,表示环境温度每变化1℃,阻值变化量为标称值的±25×10^-6。以4.42kΩ为例,当温度变化100℃时,阻值变化仅为±0.11Ω,远低于±1%的精度要求,确保产品在宽温域下的阻值稳定性,避免电路性能随温度漂移。

2.4 工作温区

工作温度范围为**-55℃至+155℃**,覆盖工业级环境温度标准,可适应极端低温(如户外低温环境)和高温(如工业烤箱、车载高温区域)场景,无需额外散热设计,降低电路成本。

三、封装工艺与可靠性特点

3.1 0603封装优势

采用英制0603封装(对应公制1608,尺寸1.6mm×0.8mm),体积小巧,适合高密度PCB布局(如智能手机主板、小型通信模块),可有效节省电路空间,提升产品集成度。

3.2 薄膜电阻工艺特性

相比厚膜电阻,薄膜电阻采用真空溅射等工艺制备电阻层,具有以下核心优势:

  • 阻值精度更高(可达±0.1%~±1%);
  • 温度系数更低(±10ppm/℃~±50ppm/℃);
  • 噪声系数更小,适合低噪声电路(如音频、射频前端);
  • 长期稳定性好,阻值漂移率低于0.1%/1000小时。

3.3 可靠性保障

产品符合IPC-J-STD-020等电子组装标准,可承受回流焊(峰值温度260℃)、波峰焊等焊接工艺的温度冲击;同时通过了湿度(85℃/85%RH,1000小时)、振动(10~2000Hz,1g)、冲击(1500g,0.5ms)等可靠性测试,确保在复杂环境下的长期工作寿命(MTBF≥10^6小时)。

四、典型应用场景

AR03FTC4421凭借高精度、宽温域及小体积的特点,可应用于以下场景:

  1. 消费电子:智能手机、平板电脑的信号放大电路、电源分压电路、触控传感器接口;
  2. 工业控制:PLC(可编程逻辑控制器)的模拟量输入电路、小型电机驱动的限流电路、传感器信号调理模块;
  3. 通信设备:基站射频前端的偏置电路、路由器的信号滤波电路、光纤收发器的分压电路;
  4. 汽车电子(辅助场景):车载显示屏的背光驱动电路、胎压监测传感器接口电路(需确认汽车级认证,参数温区满足基础要求)。

五、品牌与品质保障

光颉(Viking)是全球知名的被动元件制造商,专注于电阻、电容等产品的研发与生产超过20年,产品通过ISO9001、ISO14001、IATF16949(汽车级)等认证。AR03FTC4421的生产过程采用全自动设备管控,阻值一致性达±0.5%以内(优于标称精度),批次稳定性高,可满足OEM/ODM客户的大规模量产需求,同时提供1年以上的品质保障服务。

该产品以高性价比平衡了精度、稳定性与成本,是工业级、消费电子领域的实用型薄膜电阻方案。

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.