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RK73H1JTTD33R0F是日本KOA公司推出的一款小功率高精度厚膜贴片电阻,采用0603(英制)紧凑封装,针对消费电子、工业控制、通信设备等领域的精准信号调理、限流分压需求设计,兼具成本优势与可靠性表现。
该电阻属于KOA厚膜电阻系列中的通用型产品,核心定位为**“高性价比+宽温稳定”**:在满足±1%精度要求的同时,通过厚膜工艺平衡了成本与性能,适配对空间敏感、环境温度变化较大的电路场景——既避免了薄膜电阻的高成本,也弥补了普通碳膜电阻的精度与温度特性不足,是工业级与消费电子领域的实用型选择。
各参数直接决定了产品的应用边界,具体解析如下:
阻值为33Ω±1%,绝对偏差≤0.33Ω。该精度可覆盖绝大多数需要精准控制的电路:例如工业传感器的信号分压电路(需稳定分压比)、手机充电电路的限流电阻(需精准控制电流),避免因阻值偏差导致的信号失真或电流过载。
采用英制0603封装(公制1608,尺寸1.6mm×0.8mm),体积仅为0805封装的约50%,适合高密度PCB设计:例如智能手机主板、小型路由器、可穿戴设备等对空间要求严格的产品,能有效提升电路集成度,满足小型化趋势。
通过丝网印刷+高温烧结工艺制备,相比薄膜电阻(真空沉积)成本更低,同时具备:
结合参数特性,该电阻主要应用于以下领域:
KOA作为日本老牌电子元件厂商(成立于1940年),在电阻领域拥有成熟的研发与制造体系:
综上,RK73H1JTTD33R0F是一款平衡精度、成本与可靠性的厚膜贴片电阻,适配多领域的紧凑、宽温电路设计,是工业与消费电子领域的高性价比选择。
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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.
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The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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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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