onsemi UniFET N-Channel MOSFET 680 mA 25 V Enhancement Mode Surface Mount SOT-23 FDV303N

onsemi FDV303N UniFET N-Channel MOSFET is a high-performance enhancement-mode transistor designed for compact and efficient switching applications. This device supports a maximum continuous drain current of 680 mA and is rated for a maximum drain-source voltage of 25 V, making it suitable for low voltage electronic circuits and power management tasks.

It features a surface mount SOT-23 package that conserves PCB space while enabling easy integration into modern electronic designs. The MOSFET benefits from Fairchild Semiconductor’s proprietary high cell density DMOS technology, which minimizes on-state resistance and enhances ruggedness for reliable and efficient operation.

The device’s maximum power dissipation is 350 mW, and it functions reliably over a broad temperature range from -55°C to 150°C, supporting demanding industrial and consumer applications. A typical gate charge of 1.64 nC contributes to fast switching speeds, while the 8 V maximum gate-source voltage rating ensures robust gate control and protection.

Physical dimensions - length 2.92 mm, width 1.3 mm, height 930 μm - make the FDV303N well suited for applications with strict space constraints. It delivers forward voltage of -1.6 V, supporting efficient circuit operation with minimal losses.

Maximum continuous drain current of 680 mA provides ample current capacity. Maximum drain-source voltage of 25 V ensures compatibility with low voltage power supplies. Low on-resistance of 450 mΩ reduces conduction losses during operation.

Compact surface mount SOT-23 package enables compact PCB layouts. Robust operation between -55°C and 150°C covers harsh environmental conditions. Typical gate charge of 1.64 nC facilitates efficient switching transitions.

Maximum gate-source voltage of 8 V protects the transistor’s gate from damage. Enhancement mode N-channel design ideal for switching and amplification tasks.

This MOSFET is ideal for use in electronic components, power management ICs, and semiconductor discrete applications across industrial, automotive, and consumer electronics sectors. Its small size and high performance support integration into diverse circuits such as voltage regulators, switching devices, and load drivers.

Explore EnvMart’s comprehensive range of MOSFETs and electronic components for industrial and commercial quality and performance.