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.
S3MB是一款由晶导微电子(Semea)生产的通用二极管,封装类型为SMB(DO-214AA),其主要应用于电源管理、信号整形和逆向电压保护等领域。该产品具备优良的电气特性与可靠的性能,使其成为电子设计中的热门选择。
电流特性:S3MB设计有最大正向电流为3A的能力,能够满足各种中小型电路的需求。这一特性使其非常适合于开关电源(SWPS)和电动机驱动等对电流要求较高的应用。
正向压降:在工作电流为3A时,S3MB的正向压降仅为1.1V。相对较低的正向压降可以有效减少功耗,提高整体电路效率,有助于延长设备的使用寿命。
反向耐压:该二极管的反向耐压值为1kV,意味着S3MB能够适应各种高电压环境,使其在电源变换器和其他高电压电路中表现优异。
封装和尺寸:SMB(DO-214AA)封装具有良好的散热性能与小巧的尺寸,适合高集成度的电子设计。同时,SMB封装相对于传统的DO-41封装,能够提供更好的热管理和空间利用率。
S3MB的多用途性能使其被广泛应用于以下领域:
开关电源:在电源转换应用中,S3MB的低正向压降和高电流承受能力使其成为理想选择,能够提高电源的转换效率。
逆向电压保护:可用于保护电路,S3MB能够有效防止因误插反而导致的电源损坏,大大提高电子设备的可靠性。
信号整形:在信号处理电路中,S3MB能够快速切换,避免信号失真,确保信号的准确传输。
LED驱动:在LED驱动电路中,S3MB的低正向压降能够降低能量消耗,同时其耐压特性使其在高压环境下也能稳定工作。
高可靠性:晶导微电子在制造过程中严格控制产品质量,S3MB经过多项可靠性测试,确保其在长期使用中的稳定性和可靠性。
卓越的热管理:SMB封装设计使其具备良好的散热性能,适合高功率应用,不易因为温度升高导致性能下降或故障。
灵活选型:S3MB可用于多种电路设计,适用范围广泛,为工程师提供了更多的设计选择。
经济实用:相对于市场上的同类产品,S3MB具备良好的性价比,适合大规模应用,帮助客户降低成本。
S3MB是一款综合性能优异的通用二极管,凭借其高额定电流、低正向压降及高反向耐压等特点,适合在多种电气环境中应用。其优良的热管理性能和经济实用的特点,使其成为设计师和工程师在电源管理和保护电路设计中的首选产品。无论是高效率的电源输出,还是降低电路损坏风险,S3MB都是值得信赖的电子元器件。
Request for quote
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.
Related products