N-Channel Power MOSFET – 30 V N-channel enhancement-mode MOSFET optimized for load switching, DC-DC converters, battery-powered devices, power management, motor control, and embedded switching applications. Features a 30 V drain-to-source voltage (VDS), 2 A continuous drain current, and 165 mΩ maximum RDS(on) at VGS = 4.5 V, with 1.8 V logic-level gate drive compatibility for low-voltage microcontroller interfaces. Offers 1.7 nC typical gate charge, 130 pF typical input capacitance, ultra-fast switching performance, and an integrated body diode for efficient power conversion. Rated for ±12 V gate-to-source voltage, 800 mW power dissipation, 150°C maximum junction temperature, and housed in a 3-pin MCPH3 (SC-70 / SOT-323) surface-mount package. This device is obsolete / not recommended for new designs. #onsemi #MCH3478TLH #MCH3478 #NChannelMOSFET #LogicLevelMOSFET #PowerMOSFET #LoadSwitch #DCDCConverter #PowerManagement #MotorDriver #SOT323 #EmbeddedSystems

MOSFET P-CH 30V 4.1A SOT-23 The AO3401 is a 30 V P-Channel Enhancement Mode MOSFET designed for high-efficiency power switching applications. It uses advanced trench MOSFET technology to achieve low on-resistance (RDS(on)), low gate charge, and fast switching performance. Packaged in a compact SOT-23 package, it is widely used in load switching, battery-powered devices, reverse-polarity protection circuits, and power management applications. Key Features P-Channel MOSFET Drain-Source Voltage (VDS): −30 V Continuous Drain Current (ID): up to −4 A (25°C) Low RDS(on): 50 mΩ max @ VGS = −10 V 60 mΩ max @ VGS = −4.5 V 85 mΩ max @ VGS = −2.5 V Low Gate Charge: 7 nC typical @ 4.5 V Gate-Source Voltage Rating: ±12 V Low Threshold Voltage: −0.5 V to −1.3 V Fast Switching Characteristics Compact SOT-23 Surface-Mount Package Operating Junction Temperature: up to 150°C Suitable for Low-Voltage Logic-Level Drive Applications Typical Applications Load switches Battery protection circuits Reverse-polarity protection Power-path management DC-DC converters Portable and battery-powered electronics PWM switching applications #CommonPartsLibrary #Transistor #FET #Mosfet