Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RK73H1JTTD3092F是日本KOA公司推出的汽车级厚膜芯片电阻,属于专为严苛环境设计的小型化固定电阻。该型号采用标准0603封装(英制尺寸,对应公制1608规格),端子数为2,是汽车电子领域常用的高精度电阻器件。
标称电阻为30.9 kΩ,容差±1%,属于高精度等级——这意味着在正常使用条件下,电阻值偏差不超过±309 Ω,能满足对信号稳定性要求较高的电路设计(如传感器信号调理)。
额定功率为0.1 W(即1/10 W),可支持常规低压电路的功率需求;若电路中瞬时功率接近额定值,需结合环境温度做降额设计(参考KOA官方降额曲线)。
温度系数为**±100 ppm/℃**,表示温度每变化1℃,电阻值变化约0.01%。该参数保证了在宽温度范围内,电阻值的相对稳定性,避免因温度波动导致电路性能漂移。
该电阻的机械尺寸严格符合0603封装标准:
通过AEC-Q200标准认证,符合汽车电子行业的严苛可靠性要求(如振动、温度循环、湿度老化等测试),可直接用于汽车内外部各类电子系统。
工作温度覆盖**-55℃ ~ 155℃**,能适应汽车使用环境中的极端温度(如冬季低温、发动机舱高温、夏季车内高温等)。
RK73H1JTTD3092F主要聚焦汽车电子领域,典型应用包括:
该产品凭借高精度、宽温特性和汽车级可靠性,成为汽车电子及工业控制领域小型化电路设计的常用选择。
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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.
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.
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