WMSIC Electronic Components

YANGJIE BAT54CWT

ModelBAT54CWT
PackageSOT-323(SC-70)
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE BAT54CWT
Type
SOT-323(SC-70)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BAT54CWT
Electronic Component
1
Package
SOT-323(SC-70)
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264745523
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.

BAT54CWT 肖特基二极管产品概述

一、产品核心定位与基本属性

BAT54CWT是扬杰科技(YANGJIE)推出的1对共阴极肖特基二极管,属于小信号/低压整流类器件,主打「小封装、低功耗、宽温适应」三大核心优势,精准匹配消费电子、汽车电子、可穿戴设备等对空间紧凑性和性能稳定性有严格要求的场景。其双管共阴极集成设计,既简化了对称电路(如信号钳位、双路整流)的PCB布局,又能降低系统功耗,是中低功率应用的高性价比选择。

二、关键电气参数详解

该型号的电气参数经过优化,适配主流低压电路需求,核心参数及实际意义如下:

  1. 正向压降(Vf):典型值1V@100mA,虽因共阴极集成略高于单管肖特基,但仍远低于普通硅整流二极管(≥1.2V),可有效降低整流回路的功率损耗——例如在可穿戴设备的电池供电回路中,低VF能延长单次充电续航时间。
  2. 直流反向耐压(Vr):额定30V,满足5V/12V系统的反向电压保护需求(如电源防倒灌、信号隔离),避免器件被反向击穿。
  3. 持续整流电流(Io):额定200mA(结温125℃时仍稳定工作),适用于小负载场景(如传感器供电、LED驱动辅助回路)。
  4. 反向漏电流(Ir):典型值2uA@25V(25℃),低漏电流特性使其在低功耗设备(如智能手环、蓝牙耳机)中表现优异,减少待机状态下的能量损耗。
  5. 非重复峰值浪涌电流(Ifsm):额定600mA(8.3ms脉冲),可应对电路中的瞬间电压波动(如电源上电冲击、静电放电),提升设备可靠性。
  6. 工作结温范围:-55℃~+125℃,覆盖工业级宽温要求,适合汽车仪表盘、户外传感器等 harsh环境应用。

三、封装与物理特性

BAT54CWT采用SOT-323(SC-70)封装,是一款超小型表面贴装封装,尺寸约1.6mm×1.6mm×0.8mm,引脚间距0.8mm,具备以下优势:

  • 空间效率高:适配高密度PCB设计(如智能手机主板、智能手表模块),可将器件占用面积压缩至传统封装的1/3以内;
  • 焊接兼容性强:表面贴装工艺适配自动化生产线,焊接可靠性高,减少人工成本;
  • 引脚定义清晰:引脚1、3为阳极(Anode),引脚2为公共阴极(Cathode),双管集成简化了对称电路布局(如双路电压钳位、反向并联保护)。

四、典型应用场景

结合参数特性,BAT54CWT的核心应用场景包括:

  1. 消费电子:智能手机充电接口保护(反向电流阻断)、音频信号钳位;
  2. 可穿戴设备:智能手环电源管理(低功耗整流)、传感器信号滤波;
  3. 汽车电子:仪表盘背光驱动、胎压监测传感器供电(宽温适应);
  4. 小型家电:加湿器开关控制回路、LED指示灯驱动;
  5. 通信设备:路由器信号线路ESD保护、低压电源整流。

五、品牌与可靠性说明

扬杰科技是国内功率半导体领域的主流厂商,BAT54CWT符合RoHS环保标准,且关键参数在全温区稳定一致。针对汽车级应用,该型号可满足AEC-Q101可靠性要求(若需),批量供货能力强,适合量产项目的长期采购。

六、选型参考要点

选择BAT54CWT需匹配以下条件:

  • 需1对共阴极肖特基二极管;
  • 持续工作电流≤200mA,反向耐压需求≤30V;
  • 封装需为SOT-323(超小型);
  • 工作环境温度在-55℃~+125℃范围内;
  • 若需更高电流(≥500mA)或更高耐压(≥40V),建议选择扬杰同系列的BAT54S(SOT-23封装)或更高耐压型号。

综上,BAT54CWT凭借小封装、低功耗、宽温适应等特性,成为中低功率低压电路的理想选择,尤其适合对空间和可靠性有严格要求的终端产品。

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