onsemi

HUFA76429D3S

HUFA76429D3S Description

The HUFA76429D3S from onsemi is an N-channel UltraFET™ MOSFET designed for high-efficiency power switching applications. With a 60V drain-to-source voltage (Vdss) and 20A continuous drain current (Id), it delivers robust performance in demanding environments. The device features a low on-resistance (Rds(on)) of 23mOhm at 20A, 10V, minimizing conduction losses and improving thermal management. Packaged in a TO-252AA (DPAK) surface-mount form factor, it is optimized for space-constrained designs while maintaining high power dissipation capability (110W at Tc).

HUFA76429D3S Features

• Low Gate Charge (Qg): 46nC @ 10V ensures fast switching speeds, reducing switching losses in high-frequency applications.
• Optimized Drive Voltage: Supports 4.5V to 10V gate drive, enhancing compatibility with modern control circuits.
• High Input Capacitance (Ciss): 1480pF @ 25V provides stable gate control, reducing noise susceptibility.
• Wide Vgs Range: ±16V gate-to-source voltage tolerance improves reliability in varied operating conditions.
• Thermal Efficiency: MSL 1 (Unlimited) moisture sensitivity and REACH Unaffected compliance ensure long-term reliability.
• Obsolete Status: While marked as obsolete, it remains a viable choice for legacy designs or specific high-performance replacements.

HUFA76429D3S Applications

• Power Supplies: Ideal for DC-DC converters, SMPS, and voltage regulation due to low Rds(on) and fast switching.
• Motor Control: Suitable for brushless DC (BLDC) motor drives and H-bridge circuits requiring high current handling.
• Automotive Systems: Used in LED drivers, battery management, and 12V/24V power distribution where efficiency is critical.
• Industrial Switching: Deployed in solenoid controls, relay replacements, and load switches for its robustness.

Conclusion of HUFA76429D3S

The HUFA76429D3S stands out for its low on-resistance, high current capability, and efficient thermal performance, making it a strong candidate for power electronics requiring reliability and efficiency. While obsolete, its UltraFET™ technology ensures it remains competitive in legacy or niche applications. Engineers seeking a cost-effective, high-performance MOSFET for switching and power management should consider this device, particularly in automotive, industrial, and consumer power systems.