WMSIC Electronic Components

FOSAN BAW56

ModelBAW56
PackageSOT-23
BrandFOSAN
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
FOSAN BAW56
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
BAW56
Electronic Component
1
Package
SOT-23
Electronic Component
Switch Diode
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264886277
Current
200mA
Diode
1
Current(Ir)
1uA@70V
(Vf)
1.25V@150mA
Power Dissipation(Pd)
225mW
Electronic Component
55℃~+150℃@(Tj)
Electronic Component
Electronic Component

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

BAW56开关二极管产品概述

BAW56是FOSAN(富信)推出的1对共阳极快速开关二极管,采用小型表面贴装SOT-23封装,针对高频信号处理、低压整流及高速逻辑电路设计,兼具快速开关特性与低损耗性能,适配工业级及便携电子设备的多样化应用需求。

一、产品基本定位与封装特性

BAW56属于双二极管集成器件,采用共阳极配置(两个二极管的阳极共接,阴极分别独立引出),核心封装为SOT-23(行业标准小型表面贴装封装),尺寸约为2.9mm×1.6mm×1.1mm,具有以下封装优势:

  • 体积紧凑:可在高密度PCB布局中节省30%以上的空间,适配手机、平板等便携设备的小型化设计;
  • 贴装便捷:兼容标准SMT(表面贴装技术)生产线,焊接工艺成熟,生产效率高;
  • 散热可靠:封装结构利于热量传导,配合额定功耗参数可稳定工作在宽温范围。

二、核心电气参数详解

BAW56的电气参数针对开关应用优化,关键指标如下(均基于标准测试条件):

1. 正向特性

  • 正向压降(Vf):1.25V@150mA(工作电流接近额定值时压降稳定,导通损耗低);
  • 最大整流电流(If):200mA(持续工作的最大允许电流,可满足小功率电源整流需求);
  • 最大耗散功率(Pd):225mW(结温不超过150℃时的最大允许功耗,需注意散热设计)。

2. 反向特性

  • 直流反向耐压(Vr):70V(反向截止时的最大允许电压,满足低压电路的耐压需求);
  • 反向漏电流(Ir):1μA@70V(反向电压下漏电流极小,可避免信号干扰及额外功耗);
  • 反向恢复时间(Trr):6ns(快速恢复特性,是开关二极管的核心优势,支持高频信号切换)。

3. 温度特性

  • 工作结温范围:-55℃~+150℃(覆盖工业级温度要求,可适应高温环境或低温存储)。

三、关键性能优势

BAW56的设计聚焦于高频开关与低损耗,核心优势体现在:

  1. 快速开关响应:反向恢复时间仅6ns,可支持100MHz以上的高频信号切换,适配脉冲整形、高速逻辑门等场景;
  2. 低导通损耗:150mA工作电流下正向压降仅1.25V,相比普通二极管降低约20%的导通损耗,提升电路效率;
  3. 高反向隔离:70V反向耐压+1μA漏电流,反向截止时信号完整性好,避免反向串扰;
  4. 宽温适应性:-55℃~+150℃结温范围,可满足工业控制、车载电子等恶劣环境应用;
  5. 集成化设计:1对共阳极二极管集成,减少PCB上的器件数量,简化电路设计。

四、典型应用场景

BAW56因性能适配性强,广泛应用于以下领域:

  1. 高速逻辑电路:TTL/CMOS电路的电平钳位、逻辑门保护(如防止过冲电压损坏芯片);
  2. 脉冲信号处理:脉冲整形、快速放电回路(如计数器、定时器的脉冲触发);
  3. 低压小功率整流:便携设备的辅助电源整流(如蓝牙耳机、智能手环的充电回路);
  4. 开关电路:高频开关、继电器驱动的辅助回路(如小型继电器的续流保护);
  5. 工业控制:PLC(可编程逻辑控制器)的输入输出接口、传感器信号处理;
  6. 射频电路:低功率射频信号的检波、调制(适配数百MHz频段的简单射频应用)。

五、应用注意事项

为确保BAW56稳定工作,需注意以下几点:

  1. 电流与功耗限制:持续工作电流不超过200mA,功耗不超过225mW,避免过流导致结温过高;
  2. 反向电压限制:反向电压不超过70V,防止器件击穿;
  3. 静电防护:开关二极管对静电敏感,焊接及存储时需采用防静电措施(如防静电手环、防静电包装);
  4. 焊接工艺:SOT-23封装的焊接温度不超过260℃,焊接时间不超过3秒,避免损坏器件内部结构。

综上,BAW56以快速开关、低损耗、宽温适配及小型封装为核心优势,是高速信号处理、低压整流及便携设备的高性价比开关二极管选择。

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