IRFPS37N50A
500 V n-channel power MOSFET for switching applications
Key details
| Part Number | IRFPS37N50A |
|---|---|
| Manufacturer | Infineon Technologies |
| Category | N-Channel MOSFET |
| Lifecycle Status | Obsolete |
| Series | HEXFET / StrongIRFET |
| Package / Case | 3-lead SUPER-247 |
| Pin Count | 3 |
| Operating Temperature | -55°C to +150°C junction |
| Last Verified | 2026-07-24 |
Part information
IRFPS37N50A Overview
IRFPS37N50A is a Infineon Technologies 500 V n-channel power MOSFET for switching applications supplied in 3-lead SUPER-247. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Drain-Source Voltage | 500 V |
|---|---|
| Polarity | N-channel |
| Continuous Drain Current | 36 A class |
| Maximum RDS(on) | 0.14 Ω class |
| Technology | Silicon power MOSFET |
Package and Ordering Notes
The listed package is 3-lead SUPER-247 with 3 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
IRFPS37N50A is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Infineon Technologies documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
IRFPS37N50A FAQ
What is IRFPS37N50A?
IRFPS37N50A is a Infineon Technologies 500 V n-channel power MOSFET for switching applications. It belongs to the HEXFET / StrongIRFET series.
What are the key specifications of IRFPS37N50A?
Drain-Source Voltage is 500 V, and Polarity is N-channel. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does IRFPS37N50A use?
IRFPS37N50A is supplied in 3-lead SUPER-247 with 3 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is IRFPS37N50A still in production?
IRFPS37N50A is obsolete or discontinued. Any remaining stock should be checked for traceability, date code, package marking and storage history.
What should be checked before sourcing IRFPS37N50A?
Confirm the complete MPN, electrical ratings, package, temperature grade, packing format and required quantity. Do not treat a similar family code as a drop-in replacement without checking the datasheet.
How IRFPS37N50A differs from related orderable parts
IRFPS37N50A belongs to the HEXFET / StrongIRFET family. Compared with IRFD110PBF, the recorded differences include functional description: 500 V n-channel power MOSFET for switching applications versus 100 V n-channel power MOSFET for switching applications; package: 3-lead SUPER-247 versus 4-lead HVMDIP; pin/contact count: 3 pins, leads or contacts versus 4 pins, leads or contacts; Drain-Source Voltage: 500 V, a higher recorded value than 100 V; Continuous Drain Current: 36 A class, a higher recorded value than 1 A class; and Maximum RDS(on): 0.14 Ω class, a lower recorded value than 0.54 Ω class. A shared family name does not establish pin, firmware or qualification compatibility.
| Part number | Recorded function | Package | Pins / contacts | Temperature | Lifecycle |
|---|---|---|---|---|---|
| IRFPS37N50A | 500 V n-channel power MOSFET for switching applications | 3-lead SUPER-247 | 3 pins, leads or contacts | -55°C to +150°C junction | Obsolete |
| IRFD110PBF | 100 V n-channel power MOSFET for switching applications | 4-lead HVMDIP | 4 pins, leads or contacts | -55°C to +150°C junction | Obsolete |
| IRFP4768PBF | 250 V n-channel power MOSFET for switching applications | 3-lead TO-247 | 3 pins, leads or contacts | -55°C to +150°C junction | Production |
| IRF540 | 100 V n-channel power MOSFET for switching applications | 3-lead TO-220 | 3 pins, leads or contacts | -55°C to +150°C junction | Obsolete |
For an RFQ or AVL review, quote the complete IRFPS37N50A code and verify the manufacturer ordering table, package drawing, packing method and revision. The related numbers above are comparison references, not declared drop-in replacements.
Lifecycle and sourcing review
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
IRFPS37N50A is obsolete or discontinued. Require traceability, date-code, package-marking and storage-condition checks for remaining stock.