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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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BZX84C5V6 是一款小功率稳压二极管,标称稳压值 5.6V,封装为 SOT-23,单只器件独立使用,适合空间受限的低功耗电路。器件耗散功率 Pd 为 350mW,反向电流 Ir ≤ 20µA,稳压值范围 5.2V ~ 6.0V,结温工作范围宽 (-65℃ ~ +150℃),适合一般电子设备中作简单稳压、基准或钳位保护使用。
稳压二极管功耗主要由 Vz × Iz 决定。理论上允许的最大稳压电流 Iz_max = Pd / Vz ≈ 0.35W / 5.6V ≈ 62.5mA,但实际应留有余量并考虑环境降额。
常见设计步骤:
为取得较好稳压特性,通常在 1mA ~ 20mA 范围内选取工作电流,但具体应以功耗与温升限制为准。
SOT-23 封装体积小,热阻相对较高。器件在 PCB 上的散热依赖铜箔面积与走线:增大焊盘和连接铜面积、使用多层板或加热散热铜箔可降低结−环境温差。高环境温度时必须按热阻与结温上限进行功耗降额。
长时间在接近最大耗散功率或高结温下工作会降低可靠性和使用寿命。建议在电路验证阶段做温升测试,并在高温、潮湿环境下做加速寿命评估以确认设计的稳健性。合科泰(Hottech)提供的 BZX84C5V6 以其小尺寸与稳定特性适合于廉价、小型化的稳压与保护需求。
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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.
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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