WMSIC Electronic Components

GOODWORK SS54-SMB SS54

ModelSS54-SMB
PackageSMB(DO-214AA)
BrandGOODWORK
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
GOODWORK SS54-SMB
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
SS54-SMB
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Schottky Diode
Electronic Component
0.195g
Electronic Component
1
Electronic Component
BM0264692120
Current
5A
Diode
Electronic Component
Current(Ir)
100uA
(Vf)
550mV@5A
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
40V

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

SS54-SMB(GOODWORK固得沃克)肖特基二极管产品概述

SS54-SMB是固得沃克(GOODWORK)推出的独立式肖特基整流二极管,采用SMB(DO-214AA)表面贴装封装,针对中小功率低压整流场景设计,核心参数覆盖5A持续整流电流、40V直流反向耐压,且正向压降低至550mV@5A,在效率与可靠性之间实现平衡,是电子设备电源系统、控制电路等领域的常用器件。

一、产品核心身份与定位

该器件属于独立式肖特基二极管(区别于阵列式或桥式整流器),可单独作为整流单元使用,无需依赖其他封装内的并联/串联结构。肖特基二极管的本质是利用金属-半导体接触的势垒效应工作,相比普通硅整流管,具有开关速度快、正向压降低的核心优势,但反向耐压通常低于快恢复二极管,40V的直流反向耐压恰好匹配其“低压整流”的定位,避免了耐压冗余带来的成本增加。

二、关键电气参数深度解析

SS54-SMB的电气参数明确了其适用边界,核心参数如下:

  1. 正向压降(Vf):550mV@5A
    这是肖特基二极管的核心优势之一——低导通损耗。在5A持续电流下,正向压降仅0.55V,意味着导通时的功率损耗(P=Vf×I)仅2.75W,远低于普通硅管(通常Vf≈0.7V,相同电流下损耗3.5W),可有效提升电源转换效率,减少散热需求。
  2. 直流反向耐压(Vr):40V
    满足大多数低压应用场景(如5V/12V/24V系统)的反向耐压要求,避免因过压击穿导致器件损坏。需注意该参数为直流反向耐压,若应用于交流电路需结合有效值换算(交流峰值需低于40V)。
  3. 整流电流(IF):5A(持续直流)
    SMB封装下能稳定承载5A持续电流,符合该封装的典型电流能力,适合中小功率电源的整流支路(如手机充电器、小型开关电源的次级整流)。
  4. 反向漏电流(Ir):100μA
    在额定反向电压下,反向漏电流仅100微安,属于肖特基二极管的正常范围,可保证反向截止时的低损耗,同时降低器件发热风险,提升长期可靠性。

三、封装与物理特性

SS54-SMB采用SMB(DO-214AA)表面贴装封装,具有以下特点:

  • 尺寸紧凑:符合SMB封装的标准尺寸(典型值约2.9mm×4.6mm×1.7mm),可节省PCB布局空间,适合小型化电子设备(如便携充电器、穿戴设备电源);
  • 焊接兼容性:引脚设计适配常规回流焊、波峰焊工艺,便于自动化生产,降低焊接不良率;
  • 散热能力:SMB封装的陶瓷/塑料结构配合PCB焊盘散热,可满足5A电流下的散热需求(设计时需注意焊盘面积与散热路径);
  • 独立式结构:无内部并联/串联元件,参数一致性好,可灵活应用于单路整流或多器件并联扩容。

四、典型应用场景

结合参数与封装特性,SS54-SMB的主要应用场景包括:

  1. 低压直流电源:手机充电器、平板电脑适配器、USB-C快充电源的次级整流;
  2. 开关电源次级:小型开关电源(输出功率≤25W)的同步整流或续流;
  3. 电池保护电路:移动电源、锂电池组的过充/过放保护整流单元;
  4. 小型家电控制板:风扇、台灯、智能插座的电源整流模块;
  5. 汽车电子辅助电路:12V车载系统中的低压整流(如点烟器适配器、LED车灯驱动)。

五、品牌与可靠性保障

固得沃克(GOODWORK)作为国内专注功率半导体的品牌,SS54-SMB经过以下验证:

  • 环境测试:高低温循环(-55℃~125℃)、湿度测试(85℃/85%RH);
  • 焊接可靠性:兼容IPC标准回流焊温度曲线;
  • 电性能:批量参数一致性控制(Vf偏差≤±50mV);
  • 环保要求:符合RoHS、REACH标准,无有害物质。

该器件的独立式封装避免了阵列器件的串扰问题,适合空间、成本敏感的量产场景,是替代同类器件的可靠选择。

总结

SS54-SMB肖特基二极管以“低正向压降、5A持续电流、SMB紧凑封装”为核心竞争力,精准匹配中小功率低压整流需求,覆盖消费电子到汽车电子的多个领域。固得沃克的品牌保障与参数一致性,使其在量产可靠性与成本控制上具有优势,是电子设计中优化效率、节省空间的实用器件。

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