The IRFR420TRLPBF is a high-voltage N-channel MOSFET manufactured by Electro-Films (EFI) / Vishay, designed to address the demanding requirements of power switching and control applications in harsh operating environments. This discrete semiconductor component belongs to the single MOSFET transistor category and utilizes advanced Metal Oxide Semiconductor Field-Effect Transistor (MOSFET) technology to deliver reliable performance across a wide temperature range.
This surface-mount device excels in high-voltage applications with its impressive 500V drain-to-source voltage capability while maintaining a continuous drain current of 2.4A at 25°C case temperature. The transistor features a maximum on-resistance of 3 ohms at 1.4A drain current and 10V gate-source voltage, ensuring efficient power conversion with minimal conduction losses. The device operates with a gate threshold voltage of maximum 4V at 250µA drain current and can handle gate voltages up to ±20V, providing robust gate drive compatibility. With a gate charge of 19nC at 10V and input capacitance of 360pF at 25V, it offers excellent switching characteristics for high-frequency applications.
The MOSFET addresses critical design challenges in power electronics by combining high voltage handling capability with moderate current capacity in a compact surface-mount package. Its wide operating temperature range of -55°C to 150°C junction temperature makes it suitable for automotive, industrial, and aerospace applications where thermal stress is a concern. The D-Pak (TO-252-3) package configuration with its integrated heat-spreading tab enables efficient thermal management, allowing power dissipation of up to 2.5W in ambient air or 42W with proper case cooling.
Key advantages include RoHS compliance and lead-free construction for environmental compatibility, Moisture Sensitivity Level 1 rating for unlimited floor life, and active production status ensuring long-term availability. The device comes in cut tape packaging for automated assembly processes and maintains a standard 12-week lead time from the manufacturer.
Primary application areas encompass switching power supplies, DC-DC converters, motor control circuits, automotive electronic systems, LED drivers, and general-purpose switching applications requiring high voltage isolation. The transistor is particularly well-suited for applications in telecommunications equipment, industrial automation, and renewable energy systems where reliable high-voltage switching is essential.
Equivalent and alternative models include the International Rectifier IRF420 series in different package options, STMicroelectronics STP2NK100Z and STF2NK100Z, Infineon IPD50N04S4L-H2, ON Semiconductor NTMFS4935N, Nexperia BUK9Y09-40E, Toshiba TK2A50D, and Fairchild/ON Semi FQD2N100. These alternatives offer similar voltage and current ratings but may differ in package types, on-resistance values, switching characteristics, or thermal performance. When selecting alternatives, designers should carefully compare gate charge, switching speeds, thermal resistance, and package thermal characteristics to ensure optimal performance in their specific applications.
IRFR420TRLPBF Key Technical Attributes
N-Channel, 500V, 2.4A, D-PAK
Surface Mount, TO-252-3 (DPAK), RoHS Compliant
Rds(on): 3Ω @ 1.4A, 10V; Power Dissipation up to 42W (Tc)
IRFR420TRLPBF Packing Size
This product is packaged in a surface-mount D-PAK (TO-252-3, DPAK with 2 leads plus Tab, SC-63) and supplied in Cut Tape (CT) format, making it compatible for automated assembly lines. The overall compact packaging is advantageous for high-density PCB applications, offering excellent thermal conductivity and efficient PCB space utilization. The MOSFET offers a Moisture Sensitivity Level of 1 (unlimited), which reduces concern for humidity-related reliability issues during the manufacturing process.
IRFR420TRLPBF Application
The IRFR420TRLPBF MOSFET is widely used in various applications including switching power supplies, power management circuits, high-efficiency converters, motor controllers, electronic lighting ballasts, and industrial power switching. It is particularly suited for applications that demand high voltage blocking capabilities and efficient switching performance, such as off-line power supplies, high-voltage DC-DC converters, and general power management tasks in industrial, consumer, and automotive electronics.
IRFR420TRLPBF Features
This device features an N-channel Metal Oxide Semiconductor Field Effect Transistor structure capable of handling up to 500V drain-to-source voltage and a continuous drain current of 2.4A (Tc) at 25°C. It delivers a very low Rds(on) (max) of 3Ω at 1.4A and 10V, ensuring reduced conduction losses and improved energy efficiency. The gate threshold voltage is specified up to 4V (max) at 250µA, providing reliable turn-on with standard logic or controller drive voltages. Its maximum gate charge is 19nC at 10V, supporting fast switching speeds for high-frequency applications. The maximum input capacitance is 360pF at 25V, enabling quick response to input signals. With a power dissipation capability of up to 42W (Tc), this MOSFET is optimized for high power handling and thermal management. The operating temperature range from -55°C to 150°C (Tj) guarantees robust performance under extreme environmental conditions. It is RoHS compliant and lead-free, supporting global environmental and safety requirements.
IRFR420TRLPBF Quality and Safety Features
The IRFR420TRLPBF adheres to rigorous quality standards, being fully RoHS compliant and manufactured with lead-free materials. This ensures environmental safety and suitability for use in sensitive and regulated markets. The device's wide operating temperature range enhances long-term reliability and resilience, while its MSL1 rating eliminates concerns about moisture ingress during assembly, storage, or operation. Electro-Films (EFI) / Vishay's manufacturing process guarantees device integrity, consistent performance, and quality traceability.
IRFR420TRLPBF Compatibility
This surface-mount N-channel MOSFET (IRFR420TRLPBF) is compatible with SMT assembly processes. The D-PAK (TO-252-3) package size is industry-standard, allowing it to be easily designed into a wide range of modern PCBs supporting automated pick-and-place systems. It replaces and upgrades legacy high-voltage MOSFETs, and is pin-to-pin compatible with other TO-252-3 devices, offering seamless compatibility for drop-in design or replacement.
IRFR420TRLPBF Datasheet PDF
At IC-Components, our website offers the industry’s most authoritative and up-to-date datasheet for the IRFR420TRLPBF. We strongly recommend that you download the latest official datasheet from the current page for comprehensive details on specifications, application notes, and reliable reference during design and quality assurance stages.
Quality Distributor
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