WMSIC Electronic Components

FUXINSEMI SBDD2045CT

ModelSBDD2045CT
PackageTO-252
BrandFUXINSEMI
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
FUXINSEMI SBDD2045CT
Type
FUXINSEMI
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
SBDD2045CT
Electronic Component
1
Package
TO-252
Electronic Component
Schottky Diode
Electronic Component
0.471g
Electronic Component
1
Electronic Component
BM0265669369
Current
20A
Diode
1
Current(Ir)
100uA@45V
(Vf)
590mV@10A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
2500

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

SBDD2045CT 肖特基二极管产品概述

SBDD2045CT是富芯森美(FUXINSEMI) 推出的1对共阴极肖特基势垒二极管(SBD),采用TO-252贴片封装,针对低电压大电流整流场景优化设计,兼具低正向压降、高电流承载能力与宽温度适应性,是中小功率电源、电机驱动及车载电子等领域的实用型器件。

一、产品基本定位与核心属性

作为共阴极配置的肖特基二极管,SBDD2045CT内置2只同参数二极管(阴极共接),可灵活用于半桥整流、续流或钳位电路。其核心定位为中功率低损耗肖特基器件,区别于传统硅整流管,肖特基结构带来低正向压降特性,同时兼顾反向耐压与电流密度,满足现代电子设备对高效、紧凑设计的需求。

二、核心电气参数深度解析

1. 正向特性与电流承载能力

  • 正向压降(Vf):典型值590mV(@10A连续电流),远低于同电流等级硅整流管(通常1V以上),可显著降低整流损耗,提升电源转换效率(如12V系统中可减少20%以上的损耗)。
  • 整流电流(IF):额定连续电流20A(@25℃结温),支持长期稳定工作在大电流场景;结合150A非重复峰值浪涌电流(Ifsm,8.3ms正弦半波),可有效抵御开机瞬间或负载突变产生的浪涌冲击,避免器件损坏。

2. 反向耐压与漏电流表现

  • 直流反向耐压(VR):额定值45V,满足多数低电压(12V/24V系统)电源的反向耐压需求,避免反向击穿风险(如车载12V系统的瞬态过压场景)。
  • 反向漏电流(Ir):典型值100μA(@45V反向电压、25℃),漏电流控制在较低水平,减少反向功耗的同时,降低电路待机损耗,适合低功耗设计场景。

3. 温度适应性与结温范围

  • 工作结温(Tj):覆盖-55℃至+150℃宽温范围,适配工业级(-40℃+85℃)、车载级(-40℃+125℃)等严苛环境,无需额外降额即可稳定工作,提升产品环境兼容性。

三、封装设计与可靠性保障

SBDD2045CT采用TO-252(D-PAK)贴片封装,具有以下优势:

  • 安装便捷:表面贴装设计,适配自动化贴装生产线,提升生产效率;引脚间距合理,焊接可靠性高,减少虚焊风险。
  • 散热优化:封装底部内置散热焊盘,可直接与PCB散热铜箔连接,有效导出结热,典型热阻<10℃/W,保障大电流下的结温稳定性,避免过热失效。
  • 机械可靠性:塑封材料耐温性强,抗振动、抗冲击性能符合工业级标准,适合车载、户外设备等振动场景,提升长期可靠性。

四、典型应用场景

1. 低电压开关电源

适用于12V/24V输入的适配器、LED驱动电源等:低Vf特性减少电源损耗,20A电流能力满足大功率LED模组(如户外显示屏)供电需求,宽温范围适配工业照明场景。

2. 电机驱动电路

在直流电机、步进电机驱动中作为续流二极管:肖特基二极管无反向恢复时间,可减少开关损耗;150A浪涌耐受能力抵御电机启动瞬间的大电流冲击,宽温范围适配工业机器人、电动车辅助电机等场景。

3. 车载电子系统

车载12V/24V电源系统中用于电源整流、过压保护:-55℃~+150℃宽温适配车载环境温度波动,45V耐压满足汽车电路瞬态电压要求,可靠性符合车载电子标准(如ISO 16750)。

4. 消费电子快充模块

在USB-PD快充(65W/100W)的低电压整流环节:低Vf提升快充效率,减少发热;20A电流能力支持多口快充的大电流输出,适合笔记本电脑、手机快充适配器。

五、品牌与市场价值

富芯森美(FUXINSEMI)作为国内专注于功率半导体的厂商,SBDD2045CT具备高性价比、国产化替代优势:

  • 性能指标对标进口同类型器件(如某品牌20A/45V共阴极肖特基),但成本降低15%~20%,适合中小批量设计的成本优化。
  • 质量体系符合ISO9001标准,产品一致性好,可稳定供应工业级、商业级不同等级产品,满足多样化需求。

综上,SBDD2045CT以其低损耗、高电流、宽温适应性与紧凑封装,成为低电压大电流整流场景的优选器件,覆盖消费电子、工业、车载等多领域应用需求。

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