RFD14N05L

RFD14N05L – 50V N-Channel MOSFET – onsemi Power Transistor

Optimize power management in your electronic designs with the RFD14N05L N-Channel MOSFET from onsemi. This high-performance transistor delivers efficient switching and robust current handling in a through-hole package, making it ideal for demanding power regulation applications. PCX ensures genuine obsolete components with reliable stock availability and expedited shipping.

Key Features

• FET Type: N-Channel MOSFET (Metal Oxide)
• Voltage Rating: 50V Drain-to-Source (Vdss)
• Current Capacity: 14A Continuous Drain Current (Id) @ 25°C
• Low On-Resistance: 100mΩ (Max) @ 14A, 5V
• Drive Voltage: 5V Max for optimal Rds On performance
• Thermal Resilience: Operates from -55°C to +175°C (TJ)

Technical Specifications

This TO-251AA (IPAK) packaged MOSFET features a gate threshold voltage (Vgs(th)) of 2V max @ 250µA and maximum gate charge (Qg) of 40nC @ 10V. With input capacitance (Ciss) of 670pF @ 25V and ±10V maximum gate-to-source voltage tolerance, it provides stable switching characteristics. The device supports up to 48W power dissipation (Tc) and utilizes through-hole mounting for secure assembly in high-stress environments. Base part number: RFD14N05.

Typical Applications

• DC-DC power converters and voltage regulators
• Motor drive circuits for industrial equipment
• Power management in automotive electronics
• Switching power supplies and inverters
• Load switching in consumer appliances

About onsemi

onsemi (ON Semiconductor) is a global leader in power management and sensor technologies, renowned for innovative energy-efficient solutions. With decades of semiconductor expertise, onsemi drives advancements in automotive, industrial, and cloud-power ecosystems through rigorous quality standards and cutting-edge R&D.

The company maintains industry-leading reliability certifications and supply chain integrity, ensuring components meet critical performance requirements. onsemi’s commitment to sustainable technology makes them a preferred partner for next-generation electronic designs worldwide.

About Power MOSFET Transistors

MOSFET transistors are fundamental semiconductor devices controlling power flow in electronic circuits through voltage manipulation. Their ability to switch high currents with minimal losses makes them indispensable for energy conversion, amplification, and protection functions across modern electronics.

N-Channel MOSFETs like the RFD14N05L offer superior efficiency in low-voltage drive scenarios, enabling compact power system designs. Selecting the right MOSFET with appropriate voltage/current ratings and thermal properties is critical for optimizing circuit reliability and longevity in power-sensitive applications.

Packaging

Available in protective Tube packaging for secure handling and automated assembly.

FAQs

Q: Is this MOSFET suitable for 12V automotive systems?
A: Yes, its 50V Vdss rating provides ample headroom for 12V automotive applications including lighting and motor controls.

Q: Can I drive this MOSFET directly from a 3.3V microcontroller?
A: The 5V drive voltage requirement suggests using a gate driver; direct 3.3V control may not achieve full Rds On performance.

Q: Why choose obsolete components from PCX?
A: PCX specializes in authentic end-of-life inventory with full traceability, supporting legacy system maintenance and repairs.

Q: What heatsink is recommended for 48W dissipation?
A: Thermal performance depends on layout; refer to the datasheet for thermal resistance calculations. PCX offers mounting accessories.

Q: How does N-Channel differ from P-Channel MOSFETs?
A: N-Channel devices typically offer lower Rds On for equivalent size, making them preferable for high-side switching with driver circuits.

Q: Are these RoHS compliant?
A: While original onsemi production met RoHS standards, contact PCX for specific compliance documentation of current stock.

Product images are representational. Refer to datasheet for exact specifications.

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Secure genuine RFD14N05L transistors for your critical projects. PCX guarantees authentic onsemi components with same-day shipping and dedicated technical support. Order now to avoid stock depletion!