BFL4037

$2.77

Description：MOSFET N-CH 500V 11A TO220FI
Series：-
Mfr：onsemi
Package：Bag

SKU:13eb31752eca Category: Single FETs, MOSFETs Brand: onsemi

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Product introduction

BFL4037 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists onsemi. Its product description is MOSFET N-CH 500V 11A TO220FI. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for BFL4037

Description：MOSFET N-CH 500V 11A TO220FI
Series：-
Mfr：onsemi
Package：Bag
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：500 V
Current - Continuous Drain (Id) @ 25°C：11A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：430mOhm @ 8A, 10V
Vgs(th) (Max) @ Id：-
Gate Charge (Qg) (Max) @ Vgs：48.6 nC @ 10 V
Vgs (Max)：±30V
Input Capacitance (Ciss) (Max) @ Vds：1200 pF @ 30 V
FET Feature：-
Power Dissipation (Max)：2W (Ta), 40W (Tc)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-220FI(LS)
Package / Case：TO-220-3 Full Pack

Single FETs, MOSFETs datasheet and documents for BFL4037

BFL4037

Single FETs, MOSFETs Overview

The BFL4037 is a discontinued N-channel power MOSFET manufactured by onsemi. It features a 500V drain-source voltage rating and supports a continuous drain current of 11A at 25°C ambient temperature. The device utilizes a TO-220FI(LS) through-hole package, offering thermal dissipation capabilities of 2W in free air and 40W with a heatsink. Key electrical characteristics include a maximum gate charge of 48.6 nC at 10V and an input capacitance of 1200 pF at 30V. The component operates within a junction temperature range of -55°C to 150°C.

Single FETs, MOSFETs Feature Summary

N-channel enhancement mode metal-oxide-semiconductor field-effect transistor
High-voltage capability rated for 500V drain-source breakdown
Through-hole mounting configuration for robust mechanical attachment

Single FETs, MOSFETs Applications

Single FETs, MOSFETs Procurement Notes

This component has been officially declared obsolete and is no longer in production by the manufacturer. Verification of availability requires checking secondary market distributors or surplus suppliers. Buyers must confirm the authenticity of existing stock due to the discontinuation status. Replacement components should be evaluated based on pin compatibility and electrical specifications to ensure system continuity without redesign.

Single FETs, MOSFETs Selection Notes

Selection of this specific part number is restricted to legacy maintenance or repair scenarios where original equipment manufacturer specifications are mandatory. Due to its discontinued status, it is not suitable for new product development. Engineers should prioritize equivalent modern alternatives that offer improved thermal performance or lower on-resistance while maintaining compatible package dimensions and voltage ratings for direct replacement.

Single FETs, MOSFETs Part Context

The BFL4037 belongs to the BFL40 series of power MOSFETs from onsemi. This series was designed for general-purpose switching applications requiring high voltage tolerance. The component represents a standard discrete semiconductor solution for power control circuits before the widespread adoption of newer low-loss technologies. Its classification as a single FET places it alongside other discrete switching devices used in industrial and consumer electronics power stages.