Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
AR03BTCX0680是Viking(光颉) 推出的一款高精度薄膜贴片电阻,针对电子设备中对阻值精度、温度稳定性要求严格的场景设计。其0603小型化封装、±0.1%高精度与±25ppm/℃低温度系数的组合,可满足工业控制、消费电子、测试测量等领域的常规精密电路需求。
该电阻的核心参数完全覆盖“小型化、高精度、宽温稳定”的设计目标,关键指标如下:
参数类别 具体参数 核心说明 电阻类型 金属薄膜电阻 真空溅射工艺,阻值一致性优于厚膜电阻 标称阻值 68Ω 常用精密阻值,适配多数信号调理/分压电路 精度等级 ±0.1% 高于常规1%/0.5%电阻,满足12位以上ADC需求 额定功率 100mW(0603封装) 实现“小型化+高功率密度”平衡(100mW/1.28mm²) 温度系数(TCR) ±25ppm/℃ 每℃阻值变化≤百万分之25,宽温下稳定性优异 工作温度范围 -55℃~+155℃ 工业级温度覆盖,适配极端环境(如户外/车载) 封装尺寸 0603(英制)/1608(公制) 1.6mm×0.8mm,适合高密度PCB布局0603封装体积仅为0805封装的60%,可显著降低PCB布局空间,适配智能手机、可穿戴设备等便携产品的高密度设计需求。端电极采用镍-锡双层镀层,焊接时与PCB焊盘结合牢固,回流焊后无“立碑”“虚焊”风险,符合IPC-A-610标准。
采用真空溅射金属膜工艺(替代厚膜印刷),在氧化铝陶瓷基片上沉积均匀金属层,再通过激光微调实现±0.1%精度。相比厚膜电阻,薄膜电阻的阻值一致性提升30%以上,且噪声系数更低(典型值< -40dB),适合音频、传感器信号等低噪声场景。
±0.1%的精度确保阻值偏差≤0.068Ω(68Ω×0.1%),而±25ppm/℃的TCR进一步控制宽温下的阻值漂移:以155℃工作温度为例,相比25℃基准,阻值变化仅为0.221Ω(68Ω×130℃×25ppm),整体偏差远低于多数精密电路的阈值要求。
-55℃+155℃的工作范围覆盖工业现场的低温(如北方户外设备)与高温(如车载发动机舱周边)场景,相比商业级(0℃70℃)电阻,环境适应性提升显著。
该产品凭借“高精度+低漂移+小型化”的综合优势,成为精密电子设备中替代传统厚膜电阻的优选方案,尤其适合对成本敏感但需兼顾性能的量产场景。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products