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.
ES1J 是一款面向通用整流和保护用途的硅整流二极管。在高达600 V 的反向耐压下保持极低的漏电流(5 μA),适合高压环境中做整流或反向保护使用。1.7 V 的正向压降在 1 A 工作点下表现稳定,对温升和功耗有可预测性;30 A 的峰值浪涌能力能应对短时峰值冲击或浪涌电流。
在 1 A 连续工作且 Vf≈1.7 V 时,器件约产生 1.7 W 的功耗,需要合理的 PCB 散热设计:增大铜箔面积、采用散热铜垫或靠近散热体布置。长期可靠性建议避免在高结温区长期工作,并按制造商提供的结温-电流降额曲线进行设计。浪涌电流规格表明可短时承受较大冲击,但不宜作为长期过载手段。
SMA(DO-214AC)为常见的表面贴装封装,便于自动化贴装与回流焊;实际回流工艺、焊盘尺寸及焊锡类型请参考厂方 PCB 推荐焊盘与回流曲线,以避免焊接应力或热损伤。储存和搬运注意防潮与防静电。
需要高压、低漏电且可承受短时浪涌的通用整流场合,ES1J 是经济且可靠的选择。若对正向压降或开关损耗有更严格要求,可考虑肖特基或快恢复系列;对更大持续电流需求则应选用更高 IF(AV) 级别或并联设计,并评估热降额。
备注:本文基于提供的主要参数进行概述,具体电气特性曲线、结温-电流降额、脉冲响应和回流工艺参数,请以 BORN(伯恩半导体)正式数据手册为准。
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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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