WMSIC Electronic Components

Jingdao Microelectronics ES3DC

ModelES3DC
PackageSMC
BrandElectronic
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic ES3DC
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
ES3DC
Electronic Component
1
Package
SMC
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.381g
Electronic Component
1
Electronic Component
BM0264858923
Current
3A
Diode
1
Current(Ir)
5uA@200V
(Vf)
1V@3A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
3000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ES3DC快恢复二极管产品概述

一、产品定位与品牌背景

ES3DC是晶导微电子推出的独立式快恢复/高效率二极管,属于中功率高频整流器件,核心定位是兼顾低损耗、快速开关、宽温可靠性,适配消费电子、工业控制、车载电子等多领域的中等功率电路设计,是替代进口同类型器件的国产化优选方案。

二、核心参数深度解析

该器件的关键参数直接决定了其应用场景与性能表现,具体解析如下:

  1. 正向压降(Vf):1V@3A
    在额定直流电流3A下,导通压降仅1V,远低于普通整流管(如1N4007约1.1V@1A)及部分快恢复管(如1.2V以上),能有效降低电路导通损耗,提升整体能效。
  2. 直流反向耐压(Vr):200V
    反向截止电压达200V,可覆盖100V以内的中低压电路(如12V/24V系统的升压/降压),留有50%以上安全余量,避免反向击穿风险。
  3. 额定整流电流:3A
    持续工作电流为3A,满足中等功率电路(如50W以内的开关电源、电机驱动)的电流需求,短期脉冲过载能力可适应瞬态负载波动。
  4. 反向漏电流(Ir):5μA@200V
    反向截止状态下漏电流仅5微安,远低于常规器件(部分快恢复管漏电流可达几十微安),截止时功耗极低,长期工作可靠性更高。
  5. 反向恢复时间(Trr):35ns
    快恢复二极管的核心指标——反向恢复时间仅35纳秒,远短于普通整流管(微秒级),可大幅降低高频开关时的损耗,适配几十kHz至百kHz的高频电路(如开关电源、逆变电路)。
  6. 工作结温范围:-55℃~+150℃
    结温覆盖超宽范围,既能适应低温环境(如车载冬季低温、户外设备),也能耐受电路内部的高温发热(如电源模块集中散热),环境适应性强。

三、封装与物理特性

ES3DC采用SMC封装(DO-214AB),属于表面贴装独立式封装,具有以下特点:

  • 体积小巧:封装尺寸约6.0mm×5.0mm×2.3mm(行业标准),节省PCB空间,适合高密度电路设计;
  • 贴装便捷:贴片式结构适配自动化SMT生产,生产效率高,降低人工成本;
  • 散热可靠:封装底部的散热焊盘可有效将结热传导至PCB,降低热阻,提升长期工作稳定性。

四、典型应用场景

结合参数特性,ES3DC主要应用于以下场景:

  1. 开关电源(AC-DC/DC-DC):二次整流、续流管,适配50W以内的电源(如手机充电器、LED驱动电源),因Trr短、Vf低,可提升电源效率与功率密度;
  2. 逆变电路:UPS不间断电源、太阳能逆变器的高频整流,35ns的Trr可减少开关损耗,提升逆变效率;
  3. 电机驱动:小型直流电机、步进电机的续流二极管,3A电流满足中等功率电机的续流需求;
  4. 车载电子:车载充电器、车灯驱动电路,宽温范围(-55℃~150℃)适配车载高低温环境;
  5. 小家电:电磁炉、微波炉的高频整流,应对几十kHz的工作频率,低损耗提升产品能效。

五、性能优势总结

相比同功率段的普通整流管与部分进口快恢复管,ES3DC具有明显优势:

  • 高频适配性强:35ns的Trr远短于普通管,可支持高频开关,避免反向恢复导致的损耗与电磁干扰;
  • 低损耗高效:1V@3A的Vf与5μA的Ir,导通与截止损耗均较低,适合对能效要求高的产品;
  • 宽温可靠性:-55℃~150℃的结温范围,覆盖大多数应用环境的温度波动;
  • 成本优势:国产化器件,在性能相当的情况下,成本低于部分进口品牌,适合批量应用。

六、应用注意事项

  1. 工作电流需控制在3A以内,结温不超过150℃,避免过载损坏;
  2. 反向工作电压建议不超过150V,留有足够安全余量;
  3. 贴片焊接时,回流焊温度不超过260℃,时间不超过10秒,避免损伤器件。

ES3DC凭借均衡的性能与成本优势,成为中功率高频整流场景的实用选择,可有效提升电路效率与可靠性。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.