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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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TP1SMA5929BT3G 是台舟电子(TECH PUBLIC)推出的一款表面贴装齐纳二极管,采用SMA小型塑料封装,针对稳压、浪涌吸收与电压钳位应用优化设计。该器件属于宽压系列,稳压电压覆盖3.6V至200V多个型号,本型号标称稳压值为15V,适合中低功耗、体积受限的保护和参考电路使用。
TP1SMA5929BT3G 在其额定测试电流下表现出较低的动态阻抗(典型 Zzt = 9 Ω),这意味着在小范围电流变化时稳压性能良好。反向漏电流在低电压点(11.4V)仅为1 µA,适合要求低偏流的电池、电源监控或参考源电路。稳压范围(13.8–15.8V)表明器件在制造公差与温漂下仍能维持接近15V的稳压值。
请注意:齐纳二极管的稳压值与测试电流密切相关,实际电路中应根据工作电流选择合适的串联限流电阻或恒流源来保证在指定测试点附近工作,从而获得预期的稳压性能。
器件最大耗散功率为1.5W,但这是在推荐散热条件和规定结温下的上限值。在实际应用中应考虑:
在没有具体热阻数据时,建议在原型验证阶段对结温进行测量,或通过增加散热铜箔和减少器件自身功耗来保证长期可靠性。
SMA 封装适合自动贴装与回流焊工艺。推荐的注意事项:
TP1SMA5929BT3G 为一款面向中等功耗、表面贴装场合的15V 齐纳二极管,具有较低动态阻抗和微小漏电流特性,适合用作稳压、钳位与保护元件。实际应用时应结合电路工作电流、PCB散热能力及环境温度进行合理的功耗和热设计,以保证长期稳定可靠运行。若需更详细的热参数或测试曲线,建议参考台舟电子提供的完整数据手册。
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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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