Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
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TPD2EUSB30DRTR-TP 是 TECH PUBLIC(台舟电子)推出的一款用于信号线静电放电(ESD)和浪涌(Surge)防护的瞬态电压抑制二极管(TVS)。器件为单向工作型、SOT-723 超小封装,专为对尺寸、带宽和低漏电流有严格要求的高速数据接口设计。其关键电气参数包括钳位电压18V、工作温度范围-55℃~+125℃、击穿电压7V、反向截止电压(Vrwm)5.5V、峰值脉冲功率50W(8/20µs)、结电容仅0.4pF、反向电流100nA,并满足 IEC 61000-4-2/4-4/4-5 等电磁兼容测试等级。
该器件通过 IEC 61000-4-2(静电放电)、IEC 61000-4-4(快速瞬变脉冲群/EFT)、IEC 61000-4-5(浪涌)测试等级,表明在典型工业与消费类电磁冲击场景下具有可靠的防护能力。宽温度范围和低泄漏电流适配长期可靠运行需求。在系统级设计时,还应配合适当的电路工艺、滤波与接地方案以满足整体 EMC 要求。
单向 TVS 一般将器件阳极接地(GND),阴极接被保护的信号线。平常器件处于高阻抗(不影响信号),当出现高幅度瞬态电压超过击穿点时,器件迅速导通,将瞬态能量引向地,从而保护后端电路。为优化防护效果,应把 TVS 放在连接器与 PCB 引脚之间且尽量靠近连接器端子。
总结:TPD2EUSB30DRTR-TP 以其低结电容、低泄漏电流、适配 5V 系统的 Vrwm 及良好的脉冲功率吸收能力,是对尺寸和信号完整性要求较高的接口(尤其 USB 类接口)进行 ESD/浪涌防护的理想选择。在系统设计中,合理布置器件位置、确认工作电压与钳位匹配并评估浪涌能量需求,能确保该 TVS 发挥最佳保护效果。
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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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