WMSIC Electronic Components

CBI BAT54TW

ModelBAT54TW
PackageSOT363
BrandCBI
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 64547

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CBI BAT54TW
Type
CBI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CBI
Electronic Component
BAT54TW
Electronic Component
1
Package
SOT363
Electronic Component
Schottky Diode
Electronic Component
0.03g
Electronic Component
10
Electronic Component
BM0265834851
Current
200mA
Diode
3
Current(Ir)
2uA@25V
(Vf)
1V@100mA
Electronic Component
Electronic Component
Electronic Component
3000
Voltage Rating(Vr)
30V

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

BAT54TW 肖特基二极管产品概述

BAT54TW是创基(CBI)推出的一款3通道独立式肖特基二极管,针对低功耗、小尺寸需求的电子电路设计,凭借低正向压降、高抗浪涌能力及紧凑封装等特性,广泛应用于消费电子、便携设备等领域。以下从核心参数、特性优势、应用场景等维度展开详细概述。

一、核心参数概览

BAT54TW的关键性能参数明确了其适用边界,核心参数如下:

参数类别 具体数值 说明 配置 3个独立式通道 多路电路可独立使用 正向压降(Vf) 1V @ 100mA 工作电流下的压降特性 反向耐压(Vr) 30V(直流) 最大反向偏置电压 整流电流(If) 200mA(直流) 持续工作的最大正向电流 反向漏电流(Ir) 2uA @ 25V(25℃) 低功耗场景的关键指标 浪涌电流(Ifsm) 600mA(非重复峰值) 瞬间过流耐受能力 封装 SOT-363(表面贴装) 紧凑尺寸适配高密度PCB

二、器件特性与技术优势

BAT54TW的设计针对性解决了低功耗电路的核心痛点,主要优势包括:

1. 低功耗特性突出

  • 低正向压降:1V @ 100mA的压降相比部分传统二极管,可减少电路功率损耗约15%-20%(对比同电流下0.8V级器件),尤其适合电池供电的便携设备,延长续航时间;
  • 低反向漏电流:25V反向偏置下仅2uA,静态功耗可忽略,适配低静态电流要求的IoT、智能穿戴等场景。

2. 抗冲击能力可靠

  • 600mA非重复浪涌电流:可承受单次ms级瞬间过流(如静电放电、电源瞬变),无需额外添加浪涌保护器件,简化电路设计;
  • 30V反向耐压:覆盖常见低压电路(如3.3V/5V系统)的反向偏置需求,避免反向击穿损坏。

3. 设计灵活性高

  • 3独立通道:单颗器件可同时实现多路整流、钳位或防护,减少PCB占用空间;
  • SOT-363封装:尺寸仅1.6mm×1.0mm×0.8mm,适配高密度PCB设计(如智能手机主板、智能手环模块),兼容回流焊自动化生产。

三、典型应用场景

BAT54TW的参数与特性使其在多个领域具备实用价值,核心应用包括:

1. 便携设备电源路径

  • 场景:智能手机、智能手环、蓝牙耳机等设备的充电电路、电源切换模块;
  • 适配性:200mA整流电流满足设备待机/低负载工作需求,低Vf减少电池功耗,SOT-363封装适配小尺寸主板。

2. 信号接口ESD防护

  • 场景:USB接口、音频接口、SIM卡槽等信号端口的静电防护;
  • 适配性:30V反向耐压覆盖常见静电电压(±15kV接触放电),低漏电流不影响信号传输质量,3通道可同时防护多路信号。

3. 数字电路钳位保护

  • 场景:3.3V/5V逻辑电路的过压钳位(如MCU输入端口、传感器信号端);
  • 适配性:独立通道可对多路信号进行电平钳位,防止过压损坏芯片,简化电路布局。

4. 低压直流整流

  • 场景:小型电源适配器(如5V/200mA)、太阳能小模块的整流电路;
  • 适配性:低Vf提升整流效率,3通道可实现多输出整流,适合低成本小功率电源设计。

四、封装与可靠性说明

BAT54TW采用的SOT-363封装及可靠性设计,保障了其在量产与长期使用中的稳定性:

  • 封装工艺:无铅RoHS封装,符合环保法规要求,兼容回流焊、波峰焊等表面贴装工艺,适合批量生产;
  • 可靠性测试:经过温度循环(-55℃~125℃)、湿度老化(85℃/85%RH)、浪涌冲击等测试,满足消费级应用的长期可靠性要求;
  • 品牌保障:创基(CBI)作为国内专业半导体厂商,产品一致性与售后支持具备优势。

五、选型与替代参考

若需替代BAT54TW,需注意参数匹配:

  • 同类产品:BAT54(常见通用型号)、1N5819(单通道)等,但需确认通道数、封装、正向压降等参数一致;
  • 替代原则:优先选择正向压降≤1V、反向耐压≥30V、整流电流≥200mA、封装为SOT-363的器件,避免影响电路性能。

总结

BAT54TW是一款针对低功耗、小尺寸、多路集成需求设计的肖特基二极管,其低Vf、高抗浪涌、3独立通道等特性,使其在便携电子、消费电子、IoT等领域具备显著优势,是电路设计中整流、防护、钳位的高性价比选择。

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