WMSIC Electronic Components

PANJIT BAT54-AU_R1_000A1 BAT54

ModelBAT54-AU_R1_000A1
PackageSOT-23
BrandPANJIT
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
PANJIT BAT54-AU_R1_000A1
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
BAT54-AU_R1_000A1
Electronic Component
1
Package
SOT-23
Electronic Component
Schottky Diode
Electronic Component
0.024g
Electronic Component
1
Electronic Component
BM0265431478
Current
200mA
Diode
1
Current(Ir)
100nA@24V
(Vf)
600mV@100mA
Electronic Component
55℃~+125℃
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.

BAT54-AU_R1_000A1肖特基二极管产品概述

一、产品核心定位

BAT54-AU_R1_000A1是台湾强茂(PANJIT)推出的1对共阳极肖特基二极管,属于小功率整流/钳位专用器件。该产品以低正向压降、低反向漏电流为核心优势,搭配紧凑SOT-23封装,主要面向便携式电子、低电压电源管理、高速信号保护等场景,兼顾性能与空间效率,是替代传统硅二极管的高性价比选择。

二、关键电气参数深度解析

1. 正向特性:低损耗适配低电压系统

产品正向压降(Vf)典型值为600mV@100mA,显著低于普通硅整流二极管(通常0.7V~0.8V)。这一特性在低电压(如3.3V、5V)系统中尤为关键:

  • 相同电流下,损耗仅为0.6V×100mA=60mW,比硅二极管减少约14%~25%;
  • 输出电压损失更小,可提升电源转换效率,延长便携式设备续航。

2. 反向特性:高耐压+低漏电流保障可靠性

  • 直流反向耐压(Vr)30V:满足绝大多数低电压电路的反向截止需求,避免过压击穿;
  • 反向漏电流(Ir)100nA@24V:漏电流仅为普通硅二极管的1/1000左右,反向截止时几乎不消耗功率,且不会干扰信号路径的完整性(如高速音频、USB信号)。

3. 电流承载与温度适应性

  • 直流整流电流200mA:可稳定承载日常小负载电流(如蓝牙耳机充电电路、传感器供电);
  • 非重复峰值浪涌电流(Ifsm)600mA:能应对短时间(如开机瞬间)的脉冲电流冲击,提升电路抗干扰能力;
  • 工作结温范围-55℃~+125℃:覆盖工业级环境温度要求,可在极端低温(如户外设备)或高温(如车载电子)场景下稳定工作。

三、封装与可靠性设计

1. 紧凑SOT-23封装

采用行业标准3脚SOT-23封装,尺寸仅约2.9mm×2.5mm×1.1mm,体积小巧,适合高密度PCB布局(如智能手环、蓝牙耳机的主板)。引脚布局符合通用规范(典型:引脚2为共阳极,引脚1/3为阴极),便于焊接与电路设计。

2. 可靠性保障

  • 宽结温范围确保极端环境下的性能稳定性;
  • 低漏电流设计减少长期漏功耗,延长产品寿命;
  • 浪涌电流能力满足实际电路的脉冲冲击需求,降低故障风险。

四、典型应用场景

1. 低电压直流电源整流

适用于5V以下电源的二次整流(如USB Type-C充电电路、3.3V传感器供电),低Vf特性提升电源效率,减少发热。

2. 高速信号路径钳位保护

可用于音频信号、USB数据信号的过压钳位:反向漏电流小不影响信号完整性,30V耐压可有效抑制瞬态过压(如静电放电)。

3. 便携式电子设备电源管理

如蓝牙耳机、智能手表、TWS耳机的充电电路:小封装节省空间,200mA电流满足充电需求,宽温范围适配日常使用环境。

4. 工业控制小信号电路

工业级宽温范围(-55℃~+125℃)适配工业传感器、PLC小信号整流,低漏电流保障信号精度。

五、选型优势对比

与同类型产品相比,BAT54-AU_R1_000A1具备以下优势:

  • 参数一致性:强茂作为专业半导体厂商,产品参数一致性高,批量应用稳定性好;
  • 成本效益:在同等性能下,价格优于进口品牌同类产品;
  • 功能集成:1对共阳极配置可减少PCB元件数量(如双路钳位无需两个独立二极管),简化电路设计。

六、使用注意事项

  1. 电流限制:直流工作电流不超过200mA,非重复浪涌电流不超过600mA,避免过流损坏;
  2. 反向电压:反向施加电压不超过30V(直流),防止击穿;
  3. 结温控制:工作时结温不超过125℃,若长时间高负载工作,需考虑PCB散热设计;
  4. 静电防护:肖特基二极管对静电敏感,焊接、存储及运输过程中需采取ESD防护措施(如使用防静电包装、焊接时接地)。

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