myMectronic
myMectronic

A Premier B2B Part Search

INFINEON IRL40B209 Power MOSFET

The IRL40B209 is a high-performance HEXFET power MOSFET designed for applications such as brushed and BLDC motor drives, synchronous rectifier, power supplies, and DC/AC inverters. It features an optimized logic-level drive, improved ruggedness for gate, avalanche, and dynamic dV/dt, and a fully characterized capacitance and avalanche SOA for reliable operation. Suitable for half-bridge and full-bridge topologies, it is RoHS compliant, halogen-free, and offers low on-resistance, making it ideal for high-current switching and energy-efficient power conversion circuits.

Authorized Distributors
Source:Newark
Part No:IRL40B209
Stock:25
Inv Date:05-29-2026
Price: Unit price: $0.552
Buy/RFQ:
Part No:IRL40B209
Stock:0
Inv Date:05-30-2026
Price: N/A
Buy/RFQ:

INFINEON IRL40B209 Power MOSFET Specifications:

  • Drain Current (Tc=25°C): 4140 A
  • Drain Current (Tc=100°C): 2930 A
  • Power Dissipation: 375 W
  • Gate Threshold Voltage: 1.0 V to 2.4 V
  • Drain-to-Source Breakdown Voltage: 40 V
  • On-Resistance (at 4.5V): 16 mΩ
  • Maximum Gate-to-Source Voltage: +20 V
  • Maximum Junction Temperature: -55°C to +175°C
  • Maximum Pulsed Drain Current: 17070 A
  • Thermal Resistance Junction-to-Case: 0.4 °C/W
  • Maximum Power Dissipation: 375 W
  • Avalanche Energy (Single Pulse): 1420 mJ

Buy the Buy International HEXFET Power MOSFET Part Number IRL40B209 Online

Secure your IRL40B209 power MOSFET online today for efficient energy management in motor drives, power supplies, and inverters. This high-performance HEXFET device offers optimized switching, low gate charge, and robust avalanche capabilities. Perfect for high-current switching applications requiring reliability, low heat dissipation, and excellent thermal stability. Available in a TO-220AB package, it’s RoHS compliant and halogen-free, making it suitable for environmentally conscious projects. Order now for fast delivery and elevate your power circuit performance.

Order your International HEXFET Power MOSFET IRL40B209 today and ensure high current switching with low on-resistance for reliable power applications.

Frequently Asked Questions

Where can I buy INFINEON IRL40B209?

You can click on the BUY or RFQ button to purchase IRL40B209 from an authorized INFINEON distributor.

How do I troubleshoot issues or seek technical support for part IRL40B209?

You can download the IRL40B209 datasheet or visit the INFINEON website for support.

Who is the manufacturer of IRL40B209?

INFINEON

INFINEON Part List

Browse and search other INFINEON parts, locate datasheets and stock

Sponsored by