The FDV301N is a compact N-channel MOSFET transistor manufactured by AMI Semiconductor/onsemi, designed specifically for low-power switching and amplification applications in space-constrained electronic systems. This discrete semiconductor component belongs to the single MOSFET transistor category and addresses critical design challenges including miniaturization requirements, thermal management in compact spaces, and reliable switching performance at low voltages.
The device operates with a drain-to-source voltage rating of 25V and handles continuous drain current up to 220mA at 25°C ambient temperature, making it suitable for low-power circuit applications. Its maximum power dissipation capability of 350mW ensures adequate performance while maintaining thermal stability. The transistor features a maximum on-resistance of 4 ohms at 400mA drain current and 4.5V gate-source voltage, providing efficient switching characteristics with minimal power loss. The gate threshold voltage is specified at a maximum of 1.06V at 250µA, enabling reliable turn-on with low control voltages, while the gate charge requirement of just 0.7 nC at 4.5V facilitates fast switching speeds with minimal drive power.
Key electrical specifications include an operating temperature range from -55°C to 150°C junction temperature, maximum gate-source voltage tolerance of ±8V, input capacitance of 9.5 pF at 10V drain-source voltage, and drive voltage requirements between 2.7V minimum and 4.5V for optimal performance. The device utilizes standard MOSFET metal oxide technology and comes in the industry-standard SOT-23-3 surface mount package, measuring as a compact three-terminal configuration that enables high-density PCB layouts.
Primary advantages include exceptional miniaturization for portable electronics, low power consumption ideal for battery-operated devices, fast switching capabilities due to low gate charge, wide operating temperature range suitable for automotive and industrial applications, and RoHS3 compliance ensuring environmental compatibility. The surface mount SOT-23-3 package provides excellent compatibility with automated assembly processes and modern PCB manufacturing techniques.
Application areas encompass portable consumer electronics such as smartphones and tablets, battery management systems, DC-DC converters and voltage regulators, signal switching circuits, LED drivers for low-power lighting, automotive electronics including sensor interfaces, industrial control systems, and general-purpose low-power switching applications where space efficiency and thermal performance are critical.
Equivalent and alternative models include the 2N7002 series offering similar voltage and current ratings in SOT-23 packaging, BSS138 providing comparable performance with slightly different electrical characteristics, IRLML2502 featuring enhanced current handling capability, NDS7002A offering similar specifications from different manufacturers, and the broader FDV300 series from the same manufacturer providing various voltage and current combinations. Additional alternatives include the BSS84 for P-channel requirements, MMBT3904 for bipolar alternatives, and various manufacturer-specific equivalents from companies like Infineon, STMicroelectronics, and Nexperia that offer similar electrical performance and package compatibility for design flexibility and supply chain diversification.
FDV301N Key Technical Attributes
N-Channel MOSFET
25V Vdss, 220mA Id, 4Ω Rds(on) Max
FDV301N Packing Size
SOT-23-3 package
Surface mount, Tape & Reel (TR)
Dimensions per SOT-23-3 standard
FDV301N Application
The FDV301N is widely used in low voltage, low current switching applications such as load switching, level shifting, general purpose switching, and power management circuits. It is often selected for high-efficiency, compact electronic devices including portable and battery-operated equipment, signal processing, and logic-level interface solutions.
FDV301N Features
The FDV301N utilizes MOSFET (Metal Oxide Semiconductor Field Effect Transistor) technology for very low gate charge, making it highly suited for fast switching tasks with minimal power consumption. It supports a drain-to-source voltage (Vdss) of 25V, with a continuous drain current (Id) of 220mA, and a maximum Rds(on) of 4Ω at 4.5V Vgs, ensuring efficient current control and minimal losses. The device offers a maximum power dissipation of 350mW and a wide operating junction temperature range from -55°C to 150°C, accommodating demanding thermal and electrical conditions. The gate threshold voltage is low (max 1.06V @ 250μA), allowing it to interface directly with logic-level voltages, and the device features a very low input capacitance (9.5 pF max), which further supports high-speed switching. The compact SOT-23-3 (TO-236-3, SC-59) package streamlines integration in dense PCB layouts, while providing reliable surface-mount compatibility.
FDV301N Quality and Safety Features
The FDV301N is RoHS3 compliant, ensuring that it adheres to the latest environmental standards by restricting the use of hazardous substances in its manufacturing. This guarantees a high level of product safety and environmental responsibility. Its design supports robust operation over a broad temperature range (-55°C to +150°C TJ), ensuring reliability under harsh conditions and long-term device stability in sensitive applications.
FDV301N Compatibility
With its logic-level drive requirements and small form factor, this MOSFET is compatible with a large variety of today’s microcontroller-driven designs and portable devices. The SOT-23-3 package is a widely adopted industry standard, allowing for straightforward PCB integration and compatibility with automated assembly systems. It can serve as a direct drop-in replacement for parts matching the same footprint and performance criteria.
FDV301N Datasheet PDF
On our website, you will find the most authoritative and up-to-date datasheet for the FDV301N. We strongly recommend downloading the PDF from this page to ensure you have all the latest technical, application, and reliability data provided directly by the manufacturer.
Quality Distributor
IC-Components is a premium distributor of authentic onsemi products. We are committed to providing genuine, high-quality FDV301N MOSFETs with a large inventory ready for immediate delivery. Take advantage of our competitive pricing and reliable supply chain—get a quote right now on our website for the best deals and professional service!
