Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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BAS28 是 GOODWORK(固得沃克)出品的一款双独立小信号二极管,封装为 SOT-143。器件包含两个相互独立的整流二极管,适用于小电流整流、过压/反相保护以及高速开关场合,兼具较低正向压降与快速恢复特性,适合空间受限的表贴电路。
这些参数表明 BAS28 在 80V 级别的反向耐压下,能够承受中等电流整流并具备快速恢复能力,适合高频或开关场景。
封装:SOT-143,小型表贴封装,适合高密度板布局。额定耗散功率 400 mW(通常为器件或单管额定值,实际热能力受 PCB 散热与环境温度影响),在设计时需做热降额。举例:在 150 mA 正向工作时,P = Vf × If ≈ 1.25 V × 0.15 A = 0.1875 W,低于 400 mW,但在高环境温或连续工作下应留裕量并采用良好散热的焊盘设计。
当设计需求为 80 V 级别、单管百毫安量级、需要较低 Vf 与快速恢复的双通道方案时,BAS28 是空间受限且追求成本效益的合适选择。若要求更低正向压降或更大持续电流,应考虑 Schottky 型或功率整流器件;若耐压或功率更高,则选用更大封装与更高额定值的二极管。
品牌:GOODWORK(固得沃克);封装型号:SOT-143。实际应用前建议获取完整数据手册确认温度依赖的电气曲线、引脚排列、封装尺寸与可靠性测试信息,以便完成最终的工程样机验证与量产设计。
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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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