WMSIC Electronic Components

RUILON ES2D

ModelES2D
PackageSMB
BrandRUILON
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON ES2D
Type
RUILON
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
ES2D
Electronic Component
1
Package
SMB
Electronic Component
Fast Recovery / High-Efficiency Diode
Electronic Component
0.15g
Electronic Component
1
Electronic Component
BM0257222099
Current
2A
Diode
1
Current(Ir)
5uA@200V
(Vf)
950mV@1A
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.

RUILON ES2D 产品概述

RUILON(瑞隆源)ES2D 是一款独立式快恢复/高效率整流二极管,采用 SMB 封装,面向中低功率开关电源、整流及保护电路。其主要电气参数包括:正向压降 Vf = 0.95 V(@1 A)、直流反向耐压 Vr = 200 V、额定整流电流 2 A、反向电流 Ir = 5 μA(@200 V)、反向恢复时间 Trr = 35 ns、非重复峰值浪涌电流 Ifsm = 50 A,工作结温范围 -55 ℃ ~ +150 ℃。以下对该器件的特性、应用和选型要点进行说明,便于工程上评估与使用。

一、核心特性概述

  • 正向压降较低:Vf = 0.95 V(@1 A),在导通状态下降低导通损耗,有利于提高整流效率并减小发热。
  • 快恢复特性:Trr = 35 ns,适合开关频率较高的电源应用,可有效减少因反向恢复引起的开关损耗与电磁干扰。
  • 中等反向耐压:Vr = 200 V,适用于220 VAC二次侧整流或多数中低电压开关电源场合。
  • 低漏电流:Ir = 5 μA(@200 V),关断状态能保持较小的漏损,利于节能与待机性能。
  • 峰值浪涌能力:Ifsm = 50 A(非重复峰值),能承受短时浪涌(如充电、启动瞬态)但不适合作为长期过载工作方式。
  • 宽温度范围:工作结温 -55 ℃ 到 +150 ℃,适应性强,可用于工业类环境。

二、典型应用场景

  • 开关电源(SMPS):二次侧整流或同步整流替代,得益于较小的 Vf 和较快的 Trr,可降低整机开关与导通损耗。
  • 桥式整流:适用于中小功率交流到直流的整流模块,尤其是对效率和封装空间有要求的场合。
  • 自由轮回/续流二极管:在半桥、全桥等功率开关器件旁作快速续流,控制反向恢复对 MOSFET/IGBT 的应力。
  • 充电器、LED 驱动、适配器、工业控制电源等需要在有限体积内兼顾效率与耐压的场景。
  • 极性保护与反向电压保护:在电源输入端防止反接或瞬态反向压力。

三、电气性能应用注意事项

  • 导通损耗估算:以 1 A 工作电流为例,导通损耗约为 P = Vf × I = 0.95 W,设计散热时需考虑此类连续损耗;在 2 A 连续整流额定下,实际 Vf 可能高于标称 1 A 数据,建议按 worst-case 余量设计。
  • 开关损耗与 Trr:Trr = 35 ns 表明在几个百 kHz 及以下频率的开关应用中,反向恢复产生的附加损耗和电压尖峰可控;在更高频率下应评估恢复能量对器件和驱动器件的影响,并考虑配合RC吸收或缓缓开关技术。
  • 漏电流与温漂:Ir = 5 μA 为典型静态指标;在高温时漏电流会增加,若对无功耗待机有严格要求,应在高温工况下核算漏电和自放电损耗。
  • 浪涌能力:Ifsm = 50 A 为非重复短时脉冲能力,并非长期工作电流,遇到频繁浪涌或未知冲击时应采取前端限流或更高规格器件。

四、封装与热管理

  • SMB 封装特点:体积小、适合表面贴装,易于自动化贴装生产;热阻相对较高,连续大电流或较高工作温度时需要 PCB 散热设计。
  • PCB 布局建议:加大焊盘铜箔面积,必要时在器件下方或两侧增加热过孔与散热层;避免热源直邻,预留良好通风空间。
  • 结温管理:器件额定结温上限 150 ℃,设计时需保证在最大工作电流和环境温度下结温不会超过该限值,建议考虑电流降额和热阻预算。

五、选型与替换建议

  • 若应用对开关损耗敏感且工作电压在 200 V 以内,ES2D 是性价比高的选择;若需要更低正向压降或更高频率性能,可考虑肖特基或超快恢复(二极管 Trr 更短)替代,但需权衡反向耐压与漏电流。
  • 对于需承受持续大电流或更高浪涌能力的场合,应选择更大封装或更高电流等级的器件以保证可靠性。

六、焊接与存储提示

  • 采用常规 SMT 工艺进行回流焊接,遵循焊接温度对 SMB 封装的通用限制与制造商回流曲线建议(如不确定,向供应商确认具体回流参数)。
  • 存储与搬运按照一般半导体器件规范处理,防潮防污染、避免机械冲击;如对 ESD 敏感性关注,建议在 ESD 控制环境下操作。

总结:RUILON ES2D 是一款面向工业和消费电子中等功率场景的快恢复整流二极管,结合 200 V 耐压、低正向压降与较短反向恢复时间,能在效率与成本之间取得平衡。实际设计时,应以系统工作电流、开关频率、热设计和浪涌情况为依据进行电气与热量预算,确保长期可靠运行。

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.