WMSIC Electronic Components

SHIKUES SS1045CG

ModelSS1045CG
PackageSMC
BrandSHIKUES
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 Option 164705

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
SHIKUES SS1045CG
Type
SHIKUES
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SHIKUES
Electronic Component
SS1045CG
Electronic Component
1
Package
SMC
Electronic Component
Schottky Diode
Electronic Component
0.379g
Electronic Component
1
Electronic Component
BM0264580611
Current
10A
Diode
Electronic Component
Current(Ir)
500uA@45V
(Vf)
550mV@10A
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.

SS1045CG 肖特基二极管产品概述

SS1045CG是时科(SHIKUES)推出的独立式肖特基整流二极管,针对中功率低电压场景优化设计,兼具低导通损耗、宽温适应性与高可靠性,广泛适配消费电子、工业控制等领域的电源及控制电路需求。

一、产品核心定位与应用场景

SS1045CG定位于中功率低电压整流/续流专用肖特基二极管,核心参数(10A持续电流、45V反向耐压)覆盖多数中低压电源的典型需求。其应用场景聚焦于:

  • 消费电子电源:手机/笔记本充电器、移动电源、蓝牙耳机充电盒等小型化电源;
  • 工业控制电路:PLC辅助电源、传感器供电模块、小型电机驱动续流;
  • 车载电子:车灯控制、车载充电器、小功率辅助电源(适配-55℃~150℃宽温);
  • 高频开关电路:DC-DC转换器、AC-DC适配器的续流/整流支路(肖特基快恢复特性适配高频)。

二、关键电气参数详解

SS1045CG的核心参数围绕“低损耗、高可靠”设计,各参数意义及价值如下:

  1. 正向压降(Vf):550mV@10A
    肖特基二极管的核心优势体现,远低于传统硅整流管(如10A硅管Vf通常≥800mV),可将导通损耗降低30%以上,直接提升电源转换效率,减少散热需求。
  2. 直流反向耐压(Vr):45V
    满足中低压电源的反向截止需求,设计时需预留20%余量(建议实际应用反向电压≤36V),避免过压损坏。
  3. 持续整流电流(If):10A
    额定环境温度(25℃)下的持续负载能力,实际应用需结合PCB散热设计(如铜箔宽度≥5mm),确保结温不超过150℃。
  4. 反向漏电流(Ir):500uA@45V
    低漏电流设计(同类产品通常≥1mA),反向截止时功耗更低,进一步提升效率,同时减少器件发热,延长使用寿命。
  5. 非重复峰值浪涌电流(Ifsm):150A
    可承受瞬间大电流冲击(如开机瞬间、负载突变),提升系统抗干扰能力与可靠性,避免因浪涌导致的器件失效。
  6. 工作结温范围:-55℃~+150℃
    宽温适应性覆盖极端环境,如北方户外设备、高温电源内部(如开关电源变压器附近)。

三、封装与物理特性

SS1045CG采用SMC封装(DO-214AB),属于贴片式封装,具有以下特点:

  • 体积小巧:尺寸约为(3.0±0.1)mm×(2.5±0.1)mm×(1.5±0.1)mm,节省PCB空间,适配小型化产品;
  • 独立式设计:单个器件为独立二极管,应用灵活(可单管使用,也可多管并联提升电流能力);
  • 自动化贴装:适合SMT生产线,生产效率高,降低人工成本。

四、性能优势与设计价值

  1. 低损耗降本增效:550mV低Vf减少导通损耗,以10A负载为例,单管功耗仅5.5W,比传统硅管(8W)降低2.5W,可减少散热片使用或缩小散热面积,降低系统成本;
  2. 宽温可靠耐用:-55℃~150℃结温范围,适配工业/车载等极端环境,无需额外温度补偿电路;
  3. 浪涌防护提升系统稳定性:150A浪涌耐受能力,避免因电源波动、负载突变导致的器件损坏,减少售后维护成本;
  4. 小体积适配高密度设计:SMC封装适合小型化产品(如便携电源、智能穿戴设备),满足PCB布局紧凑的需求;
  5. 低漏电流延长寿命:500uA低漏电流减少反向发热,降低器件老化速度,提升产品长期可靠性。

五、选型与应用注意事项

  1. 电压余量设计:实际应用反向电压需≤36V(留20%余量),避免超过45V额定值;
  2. 散热设计:10A持续电流下,需确保PCB铜箔宽度≥5mm(或采用散热焊盘),避免结温超过150℃;
  3. 浪涌限制:虽有150A浪涌能力,但为非重复冲击,需避免频繁浪涌(如每秒超过1次);
  4. 温度适配:若应用环境温度超过85℃,需降额使用(如温度125℃时,持续电流降至6A左右)。

六、总结

SS1045CG作为时科推出的中功率肖特基二极管,平衡了低损耗、宽温、小体积、高可靠四大核心需求,是消费电子、工业控制、车载电子等领域中低压电源电路的高性价比选型。其参数设计贴合实际应用场景,可有效提升电源效率、降低系统成本,同时满足极端环境下的可靠性要求。

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