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
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMCJ58A-TP 是 Micro Commercial Co.(MCC,美微科)出品的一款表面贴装瞬态电压抑制二极管(TVS)。该器件属于 SMCJ 系列,采用 DO-214AB(SMC)封装,提供卷带(TR)包装,器件处于有源状态,面向通用瞬态抑制应用。器件为单向通道设计,适用于对直流或单向脉冲过电压事件的保护。
这些参数表明 SMCJ58A-TP 适合用于需要在高达数十安脉冲条件下提供短时过电压钳位的场合,能在突发浪涌事件中限制电压并吸收能量,保护后端敏感电子器件。
SMC 大封装提供相对较好的热散能力与能量吸收能力,但在使用时仍需关注PCB导热、焊盘设计以及周边焊点的热释放路径。
注:器件的 Vrwm 和箝位电压决定了适用的工作电压范围,选型时需保证器件的反向工作电压高于系统正常工作电压,并留有适当裕量。
SMCJ58A-TP 的工作结温范围宽(-55 °C 至 175 °C),适用于多种工业环境。实际使用时应参考 MCC 提供的完整数据手册和可靠性测试报告,包括热阻、浪涌循环寿命、ESD 性能等指标,以评估在特定应用中的长期可靠性。
结语:SMCJ58A-TP 是一款面向通用瞬态抑制的单向 TVS 器件,凭借 58 V 的反向工作电压、在规定脉冲下 93.6 V 的箝位电压上限及 1.5 kW 的峰值能量处理能力,适合用于需要较高能量吸收能力的直流或单向电源保护场合。选型和使用时应结合实际工作电压、可能出现的脉冲类型和系统热管理策略,参照厂商 datasheet 做最终确认。
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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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