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.
PJA3439_R1_00001 是强茂(PANJIT)推出的一款 P 沟道场效应晶体管(P‑MOSFET),采用 SOT‑23 小封装,面向便携式电源管理和小功率高侧开关场合。器件额定漏‑源电压为 60V,连续漏极电流可达 300mA,耐压能力和电流容量适合中低功率开关与保护电路使用。器件在小体积封装下提供较低的栅极电荷与输入电容,利于提升开关效率并简化驱动电路设计。
注:对于 P 沟道器件,所有与栅源电压相关的数值以极性绝对值表示;实际驱动时需给予源极更高电位,栅极相对源极施加负电压以打开器件。
SOT‑23 的额定耗散功率为 500mW,但实际可用功率受 PCB 散热、焊盘面积与环境温度影响较大。举例:在 RDS(on)=4Ω 且 Id=300mA 的条件下,导通损耗约为 Pd ≈ I^2·R = 0.3^2×4 = 0.36W,接近器件最大耗散,长期工作需注意热量管理和降额使用。建议:
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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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