Vishay IRF740AS Type N-Channel Power MOSFET, 10 A, 400 V, 3-Pin TO-263 IRF740ASPBF

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Subtotal (1 pack of 5 units)*

HK$130.80

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Per Pack*
5 - 5HK$26.16HK$130.80
10 - 20HK$23.90HK$119.50
25 - 95HK$23.42HK$117.10
100 - 495HK$19.64HK$98.20
500 +HK$16.42HK$82.10

*price indicative

Packaging Options:
RS Stock No.:
256-7277
Mfr. Part No.:
IRF740ASPBF
Manufacturer:
Vishay
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Brand

Vishay

Product Type

Power MOSFET

Channel Type

Type N

Maximum Continuous Drain Current Id

10A

Maximum Drain Source Voltage Vds

400V

Package Type

TO-263

Series

IRF740AS

Mount Type

Surface

Pin Count

3

Maximum Drain Source Resistance Rds

0.55Ω

Forward Voltage Vf

2V

Minimum Operating Temperature

-55°C

Typical Gate Charge Qg @ Vgs

36nC

Maximum Power Dissipation Pd

125W

Maximum Gate Source Voltage Vgs

10V

Maximum Operating Temperature

150°C

Standards/Approvals

RoHS

Height

4.83mm

Automotive Standard

No

Vishay IRF740AS Series Power MOSFET, 400V Drain Source Voltage, 125W Power Dissipation - IRF740ASPBF


This power MOSFET is a high-voltage, N-channel switching device designed for surface-mount power applications. It is intended for use where robust switching of high drain voltages is required and operates across a wide temperature range for demanding thermal environments.

Features and Benefits:


• 400V drain rating enables high-voltage switching applications
• 10A continuous drain current supports substantial load currents
• 0.55Ω Rds(on) reduces conduction losses in switching stages
• 125W power dissipation allows significant thermal throughput
• 36nC typical gate charge facilitates controlled switching transitions
• 10V gate tolerance suits common drive-voltage architectures

Applications


• Suitable for switch-mode power supplies in industrial systems
• Ideal for high-voltage motor-driver front ends
• Used for power conversion in renewable-energy inverters
• Can be used for auxiliary power rails in telecom equipment
• Employed in general-purpose high-voltage switching circuits

What package type should I anticipate for board layout considerations?


It is supplied in a TO-263 package intended for surface mounting, permitting heat-sinking via the PCB and allowing for larger current paths.

What ambient temperature extremes can the device withstand during operation?


The transistor is rated to function across an operating temperature span from -55°C up to +150°C, accommodating both low-temperature starts and elevated thermal conditions.

How does gate drive affect switching performance?


With a typical gate charge of 36nC at a 10V gate drive, switching speed and gate-drive current requirements should be balanced to manage transition losses and EMI.

What type of conductivity does the device use for switching?


It employs an N-channel conduction channel, suitable for low-side and high-side arrangements depending on circuit topology.

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