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AR05BTCW24R9是Viking(光颉)电子推出的0805封装高精度薄膜贴片电阻,属于该品牌小功率高精密电阻系列的典型产品。其核心定位是满足电子电路中对阻值精度、温度稳定性、小型化设计有较高要求的应用场景,尤其适用于工业控制、汽车电子、医疗设备等领域的信号调理、传感器接口等电路模块。
基础信息梳理:
AR05BTCW24R9的性能参数针对高精密应用场景做了针对性优化,核心参数及实际意义如下:
阻值为24.9Ω,精度等级**±0.1%**——该精度远高于普通碳膜电阻(通常±1%~±5%),可直接用于精密计量电路、模拟信号放大模块,无需额外校准即可保证电路输出精度。
温度系数(TCR)为**±25ppm/℃**——薄膜电阻的核心优势之一,意味着每变化1℃,阻值变化仅为24.9Ω×25×10⁻⁶≈0.0006225Ω。在宽温区(-55℃~+155℃)下,总阻值变化约0.131Ω(相对变化0.526%),可有效避免环境温度波动对电路性能的影响。
覆盖**-55℃~+155℃**,符合工业级、汽车级电子设备的环境温度要求,可在极端温差场景下稳定工作。
0805封装是贴片电阻的主流小型化封装之一,具有以下优势:
AR05BTCW24R9采用镍铬基薄膜沉积工艺:在高纯度氧化铝陶瓷基片上,通过真空溅射沉积镍铬合金薄膜,再经光刻、蚀刻、激光微调等工艺精确调整阻值,相比碳膜、金属氧化膜电阻,具有:
AR05BTCW24R9经过严格测试:
符合RoHS 2.0标准,不含铅、镉、汞等有害物质,适配全球市场环保要求。
该产品凭借高精度、宽温稳定、小型化等优势,成为工业、汽车、医疗等领域高精密电路设计的优选元件。
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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.
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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.
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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.
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