WMSIC Electronic Components

TWGMC SS34(SMB) Schottky Diode SS34

ModelSS34(SMB)
PackageSMB
BrandTWGMC
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
TWGMC SS34(SMB)
Type
TWGMC
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TWGMC
Electronic Component
SS34(SMB)
Electronic Component
1
Package
SMB
Electronic Component
Schottky Diode
Electronic Component
0.19g
Electronic Component
1
Electronic Component
BM0265826652
Current
3A
Diode
Electronic Component
Current(Ir)
500uA
(Vf)
550mV@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.

SS34(SMB封装)肖特基整流二极管产品概述

SS34是台湾迪嘉(TWGMC)出品的独立式肖特基整流二极管,采用紧凑SMB表面贴装封装,专为低压高频整流场景设计,兼具低损耗、高可靠性与宽环境适应性,广泛应用于消费电子、汽车电子及工业控制等领域。以下从核心参数、封装特性、性能优势等维度详细解析该器件。

一、核心参数深度解析

SS34的关键参数精准匹配低压功率电路需求,核心指标及实际意义如下:

  • 正向压降(Vf):550mV@3A(典型值)—— 远低于普通硅整流二极管(通常1V以上),显著降低导通损耗,提升电路效率;
  • 直流反向耐压(Vr):40V—— 满足12V/24V等低压系统的反向电压耐受,避免器件击穿;
  • 整流电流(IF):3A(直流)—— 支持中等功率负载持续工作,适配多数小功率电源设计;
  • 反向漏电流(Ir):500μA(25℃额定反向电压下)—— 低漏电减少静态功耗,增强电路稳定性;
  • 工作结温范围:-55℃~+150℃—— 覆盖工业级与部分汽车级环境,可在极端低温(如北方户外)或高温(如电源内部)下稳定工作;
  • 非重复峰值浪涌电流(Ifsm):80A(8.3ms半波)—— 承受开机瞬间、负载突变等突发大电流冲击,避免器件损坏。

二、SMB封装特性与典型应用

SS34采用SMB表面贴装封装,具备三大核心优势:

  1. 尺寸紧凑:符合行业标准(约4.0×2.5×1.8mm),节省PCB空间,适配高密度电路设计;
  2. 贴装便捷:支持自动化SMT贴装,适合批量生产,降低组装成本;
  3. 散热良好:封装结构利于热量传递,配合合理PCB布局可满足3A持续电流的散热需求。

典型应用场景:

  • 开关电源/适配器:手机充电器、笔记本电源、机顶盒电源,低Vf减少损耗提升转换效率;
  • LED驱动电路:小功率LED照明(台灯、显示屏背光),低损耗降低驱动电路发热;
  • 汽车电子:车载12V辅助电路(传感器供电、小功率电机驱动),宽温适配舱内外温度变化;
  • 工业控制:小型PLC、传感器模块电源整流,稳定性能保障工业环境可靠运行。

三、关键性能优势

SS34在同类器件中竞争力突出,核心优势体现在:

  1. 高效节能:550mV@3A的低导通压降,大电流工作时节能效果显著;
  2. 快速响应:肖特基二极管载流子恢复时间ns级,适合100kHz以上高频开关电路,减少开关损耗;
  3. 抗浪涌能力强:80A非重复浪涌耐受,应对突发电流冲击提升系统可靠性;
  4. 宽温稳定性:-55℃至+150℃结温范围,无需额外散热即可覆盖多数极端环境;
  5. 可靠性高:低漏电流、参数一致性好,配合TWGMC成熟封装工艺,满足长期连续工作需求。

四、品牌与品质保障

SS34由台湾迪嘉(TWGMC)生产,该品牌专注功率半导体研发制造,产品符合RoHS、REACH环保标准,通过温度循环、湿度老化等可靠性测试,确保批量供货一致性。针对OEM/ODM客户,可提供编带包装、参数微调等定制化服务。

总结

SS34(SMB封装)肖特基二极管凭借低损耗、高浪涌耐受、宽温适应性及紧凑封装,成为低压高频整流场景的优选器件。无论是消费电子小功率电源,还是汽车电子、工业控制可靠供电,均能提升电路效率与稳定性,是性价比突出的功率整流解决方案。

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