AO3401 A19T SMD MOSFET P-Channel SOT23 30V 4A hottech 3400 Guangdong Hottech AO3401

Product Overview

A surface-mount P-Channel power MOSFET designed for high-efficiency, low-voltage power management, negative-side load switching, and battery protection applications. Utilizing advanced trench technology to maximize cell density, it delivers exceptionally low on-resistance and high switching speeds within a compact SOT-23 footprint. It is widely used in portable electronics, cellular phones, and battery-powered devices where efficient low-loss power rails are critical.

Core Specifications

• Manufacturer: Guangdong Hottech (Hottech)

• Package Type: SOT-23

• Function: SMD MOSFET (P-Channel)

• Voltage Rating: -30V

• Current Rating: -4.2A

• Power Dissipation: 350mW

• Static On-Resistance ($R_{DS(on)}$): ~65 mΩ (typical @ $V_{GS}$ = -10V)

• Marking Code: A19T

• Part Number: AO3401