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.
1812L150/33GR 属于聚合物自恢复保险型元件,体积小巧但承载能力强。Vmax 33V 适合车载与多种低压系统,Imax 高达 40A 能承受瞬态大电流冲击;同时 Ihold/Itrip(1.5A/3A)设定适合线路过流保护需求。Pd=1.2W 的热耗散配合低阻值(初始 40mΩ)保证正常工作时压降和发热受控;跳断后阻值上升至 160mΩ,可有效限制故障电流并助于保护后级电路。动作时间 500ms 适合慢变过流或过温场景。
1812 封装占板面积小,适合 SMT 工艺。建议按厂方推荐回流焊曲线进行焊接,避开长时间高温暴露以免影响内阻与可靠性。布局时留意散热通道与附近发热元件的间隔,必要时在铜皮上加大散热面积或采用过孔改善热流。
1812L150/33GR 以其小体积、较高的承受电流与车规级工作温度范围,适用于对空间敏感且需要可靠过流/过温保护的汽车与工业场景。合理的电气参数与封装设计,使其在保护效率、可恢复性与安装便捷性之间取得良好平衡,是常见的线路防护选型之一。
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.
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