The FDN301N is an N-Channel logic level enhancement mode Field Effect Transistor (FET) from Fairchild/ON Semiconductor. This MOSFET is designed for low voltage, low current switching applications and offers excellent performance characteristics. This device is particularly useful for applications in portable devices, level shifting and small signal amplification.

Applications:

• Low Side Load Switching
• Portable Devices
• Level Shifting
• Small Signal Amplification
• Battery Operated Systems

Features:

• Low On-Resistance: Minimizes conduction losses.
• Logic Level Gate Drive: Allows direct driving from low voltage logic circuits.
• Fast Switching Speed: Enables efficient operation in high-frequency applications.
• Low Threshold Voltage: Ensures turn-on with low gate voltage.
• Small Footprint: Space-saving design for high-density applications.

Benefits:

• Increased Efficiency: Low on-resistance reduces power dissipation and heat generation.
• Simplified Design: Logic level gate drive simplifies interfacing with control circuitry.
• Reduced Size: Compact package allows for smaller and lighter designs.
• Improved Reliability: Robust design ensures stable and reliable operation.
• Extended Battery Life: Low power consumption helps extend battery life in portable devices.

Additional Details:

The FDN301N features a low gate threshold voltage, making it suitable for applications where the gate drive voltage is limited. Its fast switching speed minimizes switching losses, which is particularly important in high-frequency circuits. The SOT-23 package allows for dense board layouts, making it a good choice for portable electronics and compact designs. It is also RoHS compliant.

Specifications:

• Polarity: N-Channel
• Drain-Source Voltage (Vds): 25V
• Gate-Source Voltage (Vgs): ±12V
• Continuous Drain Current (Id): 0.2A
• On-Resistance (Rds(on)): 3Ω @ Vgs = 4.5V