WMSIC Electronic Components

UMW AO3422A

ModelAO3422A
PackageSOT-23
BrandUMW
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
UMW AO3422A
Type
UMW
Minimum package
3000

Technical parameters

Electronic Component
UMW
Electronic Component
AO3422A
Electronic Component
1
Package
SOT-23
Electronic Component
1 N
Electronic Component
MOSFET
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0264601578
Operating Temperature
55℃~+150℃
Power Dissipation(Pd)
1.25W
Electronic Component
3000
Voltage(Vdss)
60V
Capacitor(Ciss)
214pF
Output Capacitor(Coss)
31pF

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

AO3422A产品概述

一、核心器件类型与基本定位

AO3422A是UMW友台半导体出品的1个N沟道增强型MOSFET,属于小功率功率器件范畴。其设计核心为小体积、低功耗、高性价比,适配便携式电子、小型电源管理等对空间和成本敏感的场景,可替代同规格进口器件,兼顾性能与成本控制。

二、关键电性能参数解析

AO3422A的参数覆盖耐压、电流、开关特性等核心维度,直接决定其应用边界:

  1. 耐压与电流能力
    漏源击穿电压(Vdss)为60V,满足多数低压直流电路(如12V/24V系统)的耐压需求;连续漏极电流(Id)为2.1A,是器件持续工作的最大允许电流,搭配散热可稳定承载该负载。
  2. 导通损耗控制
    导通电阻(RDS(on))为80mΩ(测试条件:Vgs=10V),属于SOT-23封装级别的低水平——导通损耗(P=I²×R)可控制在1W以内(当Id=3.5A时),适合低功耗设计。
  3. 驱动与开关特性
    • 阈值电压(Vgs(th))为2.5V(Id=250uA),兼容3.3V/5V常见逻辑电平,无需额外升压驱动;
    • 栅极电荷量(Qg)仅2.6nC(Vgs=4.5V),输入电容(Ciss=214pF)、反向传输电容(Crss=12.6pF)均处于低水平,开关速度快(典型切换时间<100ns),适合高频场景;
    • 输出电容(Coss=31pF)较低,可减少开关时的电压过冲。
  4. 功率与温度范围
    最大耗散功率(Pd)为1.25W,可满足小功率负载需求;工作温度范围(-55℃~+150℃)覆盖工业级宽温,适应极端环境(如户外设备、车载辅助电路)。

三、封装与散热特性

AO3422A采用SOT-23超小型封装,尺寸仅2.9mm×2.5mm×1.1mm,极大节省PCB空间,适配智能手环、蓝牙耳机等微型设备。

尽管封装紧凑,其散热能力仍满足基本需求:Pd=1.25W结合宽温,若在PCB漏极焊盘下增加铜箔面积(如扩展至10mm²以上),可进一步提升散热效率,避免局部过热。

四、典型应用场景

结合参数特点,AO3422A的核心应用包括:

  1. 便携式电子:智能手机、平板的电池保护电路、负载开关;
  2. 小型电源:DC-DC升压/降压转换器(如3.7V锂电池转5V)的开关管;
  3. 低功率负载:LED背光驱动、传感器供电通断控制;
  4. 微型电机:玩具电机、微型风扇、小型步进电机驱动;
  5. 工业辅助电路:工业设备的低功率开关、信号放大(宽温适配)。

五、品牌与可靠性说明

UMW友台半导体是国内功率器件领域的成熟厂商,AO3422A通过了ESD防护(HBM:2kV)、温度循环(-55~150℃循环1000次) 等可靠性测试,符合RoHS环保标准,量产稳定性有保障。相比进口同规格器件(如AO3400系列),AO3422A成本降低约15%,适合消费类电子、物联网终端等性价比优先的项目。

AO3422A以“小体积+低功耗+宽温”为核心优势,是低压小功率场景的高性价比选择,可覆盖从消费电子到工业辅助的多类应用。

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