WMSIC Electronic Components

Slkor SS54B

ModelSS54B
PackageSMB(DO-214AA)
BrandSLKOR
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
Slkor SS54B
Type
SLKOR
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SLKOR
Electronic Component
SS54B
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Schottky Diode
Electronic Component
0.192g
Electronic Component
1
Electronic Component
BM0264567855
Current
5A
Diode
1
Current(Ir)
500uA@40V
(Vf)
550mV@5A
Electronic Component
65℃~+125℃
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.

SS54B肖特基二极管产品概述

一、产品基本定位

SS54B是Slkor(萨科微)推出的表面贴装肖特基整流二极管,采用SMB(DO-214AA)封装,针对低压大电流整流场景设计,兼顾效率、可靠性与成本优势,是电源电路、LED驱动等领域的常用基础器件。

二、核心电气参数的实际价值

肖特基二极管的核心优势在于低正向压降与快恢复特性,SS54B的参数针对性强化了低压场景的适配性:

  1. 低正向压降(Vf=550mV@5A):在5A持续工作电流下,正向压降仅550mV——远低于普通硅整流二极管(通常1V以上),能显著减少整流损耗,降低器件发热,尤其适合电池供电设备(如移动充电器)或对功耗敏感的电路,间接延长续航或简化散热设计。
  2. 可靠反向耐压与漏电流控制:40V直流反向耐压覆盖12V/24V主流低压系统,避免反向击穿风险;同时反向漏电流(Ir=500uA@40V)控制在低水平,减少待机状态下的能量浪费,提升电路整体效率。
  3. 电流承载与浪涌耐受:额定整流电流5A,可稳定支撑持续工作需求;非重复峰值浪涌电流(Ifsm)达120A,能应对电路启动瞬间、负载突变产生的大电流冲击,避免器件损坏,提升系统抗干扰能力。
  4. 宽结温范围:-65℃至+125℃的工作结温,覆盖工业级、户外设备的环境温度需求,即使在极端高低温下仍能稳定工作,适应车间、户外照明等 harsh 场景。

三、封装特性与生产适配

SS54B采用SMB(DO-214AA)表面贴装封装,具有以下优势:

  • 尺寸紧凑(典型尺寸约3.8×2.9×1.9mm),适合高密度PCB设计,节省板级空间;
  • 支持自动化贴装(SMT),大幅提升批量生产效率,降低人工成本;
  • 采用RoHS环保材料(无铅无卤),符合现代电子产业的环保要求,避免出口贸易壁垒。

四、典型应用场景

结合参数特性,SS54B主要适用于以下场景:

  1. 低压电源适配器:12V/24V笔记本充电器、手机快充适配器,利用低Vf提升充电效率;
  2. LED驱动电源:室内LED灯、路灯的低压整流电路,低损耗减少驱动发热,延长LED寿命;
  3. 开关电源续流二极管:Buck/Boost拓扑开关电源的续流支路,肖特基快恢复特性配合低Vf,减少续流损耗;
  4. 小型家电控制板:豆浆机、加湿器等小家电的电源整流模块,浪涌耐受应对启动冲击;
  5. 工业控制电路:PLC、传感器模块的低压信号整流,宽结温适应车间高低温环境。

五、品牌与质量保障

Slkor(萨科微)作为国内功率半导体领域的专业厂商,SS54B经过严格可靠性测试(温度循环、湿度老化、浪涌冲击等),参数一致性好,批量供货稳定;产品符合IEC、JEDEC等国际标准,是替代进口同类器件的高性价比选择,广泛应用于消费电子、工业控制等领域。

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