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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1N4148WT 是一种高性能的开关二极管, 由永裕泰(YONGYUTAI)品牌生产。该元器件以其优秀的电气特性和小型化封装设计,广泛应用于各种电子设备中的开关和信号处理场景。
1N4148WT 采用 SOD-523 封装,这是一种小型化的表面安装封装。SOD-523 封装具有紧凑的尺寸,适合现代电子产品对空间效率的要求。这种封装方式不仅提高了生产效率,还减少了 PCB 布局上的限制。
1N4148WT 的反向恢复时间(trr)仅为 4ns,这使得它特别适合需要快速开关操作的应用场景。这种快速恢复能力确保了在高频信号处理中不会产生显著的延迟或失真。
在 75V 的反向电压下,1N4148WT 的反向漏电流(Ir)仅为 1uA。这表明该二极管在反向偏置状态下具有极低的漏电流,减少了能量损耗和噪声干扰。
该二极管能够承受高达 150mA 的整流电流,这使得它可以处理中等功率的信号。同时,其正向压降(Vf)为 1.25V @ 150mA,确保了在正常工作条件下低损耗和高效率。
1N4148WT 具有 75V 的直流反向耐压(Vr),这意味着它可以在较高的反向电压下保持稳定工作,提高了系统的可靠性和抗干扰能力。
该二极管的工作温度范围达到了 150℃ @ (Tj),这使得它能够在高温环境下保持稳定性能。这种广泛的工作温度范围使得 1N4148WT 适用于各种工业和商用应用。
由于其快速开关性能和低反向漏电流,1N4148WT 非常适合用于信号处理、逻辑门电路以及其他需要快速响应的应用。
在电源系统中,1N4148WT 可以作为过滤元件或保护元件,帮助去除噪声和保护敏感设备免受过压或反向电压的影响。
其小型化封装和优秀的电气特性使得 1N4148WT 成为高频电子设备如无线通信设备、医疗设备等的理想选择。
1N4148WT 开关二极管是永裕泰(YONGYUTAI)品牌的一款高性能产品,通过其快速开关能力、低反向漏电流、高整流能力以及广泛的工作温度范围,成为现代电子设计中的重要组成部分。无论是在信号处理、电源保护还是高频应用中,1N4148WT 都能提供可靠和高效的性能。其紧凑的 SOD-523 封装进一步增强了其在空间有限的现代电子产品中的适用性。
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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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