Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ElecSuper SS34A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Elec Super SS34A
- Type
- ELECSUPER
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ELECSUPER
- Electronic Component
- SS34A
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.1g
- Electronic Component
- 1
- Electronic Component
- BM0228788620
- Current
- 3A
- Diode
- Electronic Component
- Current(Ir)
- 500uA
- (Vf)
- 550mV
- Electronic Component
- 65℃~+125℃
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SS34A 产品概述
一、产品简介
SS34A 是一款独立式肖特基（Schottky）整流二极管，由 ElecSuper（静芯微）提供，封装为 DO-214AC（SMA）。该器件以低正向压降、高整流能力和较小的反向恢复特性为特点，适用于开关电源、DC-DC 转换、反向保护与整流等电源管理场合。
二、主要参数与特性
- 二极管类型：肖特基，独立式
- 正向压降（Vf）：约 550 mV（典型条件下）
- 直流反向耐压（Vr）：40 V
- 额定整流电流：3 A（连续）
- 反向电流（Ir）：500 μA（典型/参考）
- 非重复峰值浪涌电流（Ifsm）：100 A（非重复脉冲）
- 工作结温范围：-65 ℃ ～ +125 ℃
以上参数表明 SS34A 在中小功率整流与快速恢复场合具有良好性能，低 Vf 有助于降低功耗与提高效率。
三、典型应用场景
- 开关电源二次整流与续流二极管
- DC-DC 降压/升压模块输出整流
- 电池组或电源的反向/极性保护
- 快速开关电路中的钳位与回流路径
- 汽车电子（需符合环境与浪涌要求时评估）
四、封装与安装要点
DO-214AC（SMA）为表面贴装封装，便于自动贴装与回流焊工艺。建议：
- PCB 采用合适的焊盘尺寸并留有足够铜箔面积以利散热；
- 对于较大平均功率工况，增加散热铜箔或散热片；
- 回流焊温度曲线按厂家推荐管脚及封装工艺进行，避免过热导致焊接缺陷。
五、散热与使用建议
肖特基二极管的正向压降随电流增加而上升，长期大电流工作时需注意结温控制：
- 在3A连续工作时，尽量扩大焊盘铜箔或增加通孔以降低热阻；
- 对冲击浪涌（Ifsm）仅适用于非重复短脉冲，避免在系统中作为常态承受；
- 在高温工况下应适当降额，保证结温不超过最大额定值。
六、可靠性与注意事项
- 反向电流随温度上升显著增加，设计时应考虑环境温度对漏电的影响；
- 器件抗浪涌能力有限，实际吸收能量与脉冲波形有关，详情参考产品数据表；
- 储存和搬运时避免潮气与机械冲击，回流焊前按MCU或器件湿敏等级处理（若适用）。
七、订购与资料
产品型号：SS34A，品牌：ElecSuper（静芯微），封装：DO-214AC（SMA）。选型与批量采购前请参考完整数据手册与封装图纸，向供应商索取器件的具体测试条件与可靠性报告，以确保在目标应用中的表现与寿命。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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.
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
Packaged components ready for RFQ.
