IRF740ALPBF

Single FETs, MOSFETs Overview

The IRF740ALPBF is a lead-free N-channel power MOSFET manufactured by Vishay Siliconix, housed in a D2PAK (TO-263) surface-mount package. It features a drain-source voltage rating of 400 V and a continuous drain current of 10 A at 25 °C case temperature. The device exhibits a maximum on-state resistance of 0.55 Ω at a gate-source voltage of 10 V. Key dynamic parameters include a total gate charge of 36 nC, turn-on delay time of 10 ns, rise time of 35 ns, turn-off delay time of 24 ns, and fall time of 22 ns. It supports a single pulse avalanche energy of 630 mJ and operates within a junction temperature range of -55 °C to +150 °C.

Single FETs, MOSFETs Feature Summary

• Low gate charge for simplified drive requirements
• Improved gate, avalanche, and dynamic dV/dt ruggedness
• Fully characterized capacitance and avalanche voltage/current
• Effective Coss specified

Single FETs, MOSFETs Applications

• Switch mode power supply (SMPS)
• Uninterruptible power supply
• High speed power switching

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix to confirm compliance with RoHS and halogen-free standards, as the datasheet covers both compliant and non-compliant variants. Ensure the component matches the required D2PAK (TO-263) package dimensions and thermal characteristics. Cross-reference the manufacturer part number against official Vishay documentation to validate authenticity and revision status before integration into production designs.

Single FETs, MOSFETs Selection Notes

Select this component for high-voltage applications requiring robust avalanche performance and efficient switching capabilities. The low gate charge facilitates easier driver design, while the specified effective output capacitance aids in optimizing circuit efficiency. Evaluate the thermal management requirements based on the 125 W maximum power dissipation rating at 25 °C case temperature to ensure reliable operation under load conditions.

Single FETs, MOSFETs Part Context

This device belongs to the IRF740AS/SiHF740AS/IRF740AL/SiHF740AL family from Vishay Siliconix. It utilizes silicon technology to deliver high-voltage switching performance in a surface-mount format. The product line emphasizes ruggedness through improved gate and avalanche characteristics, making it suitable for demanding industrial and commercial power electronics environments where reliability is critical.

Single FETs, MOSFETs Replacement Considerations

SiHF740ASTRL-GE3

Single FETs, MOSFETs FAQ

What is the maximum single pulse avalanche energy supported by this device?

The IRF740ALPBF supports a maximum single pulse avalanche energy of 630 mJ.

How does the effective output capacitance benefit circuit design?

The effective Coss is specified to provide a fixed capacitance value that yields the same charging time as the actual Coss during voltage transitions, aiding in accurate loss calculations.