Vishay IRF740A Type N-Channel Power MOSFET, 10 A, 400 V Enhancement, 3-Pin TO-220AB IRF740APBF

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Subtotal (1 tube of 50 units)*

€79.20

(exc. VAT)

€97.40

(inc. VAT)

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50 - 50€1.584€79.20
100 - 200€1.362€68.10
250 +€1.267€63.35

*price indicative

RS Stock No.:
178-0831
Mfr. Part No.:
IRF740APBF
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-220AB

Series

IRF740A

Mount Type

Through Hole

Pin Count

3

Maximum Drain Source Resistance Rds

550mΩ

Channel Mode

Enhancement

Minimum Operating Temperature

-55°C

Maximum Power Dissipation Pd

125W

Typical Gate Charge Qg @ Vgs

36nC

Forward Voltage Vf

2V

Maximum Gate Source Voltage Vgs

30V

Maximum Operating Temperature

150°C

Height

9.01mm

Length

10.41mm

Standards/Approvals

RoHS

Width

4.7mm

Automotive Standard

No

Vishay IRF740A Series Power MOSFET, 400V Maximum Drain Source Voltage, 10A Maximum Continuous Drain Current - IRF740APBF


This power MOSFET is a high-voltage N-channel transistor engineered for switching roles in power electronics. It operates across a broad temperature range and is supplied in a through-hole TO-220AB package suitable for heat-sinking and straightforward mounting. The device is RoHS-compliant and designed for enhancement-mode switching in circuits requiring significant voltage handling.

Features and Benefits:


• 400V drain-source rating enabling high-voltage switching capability
• 10A continuous drain current for steady power delivery
• 125W maximum dissipation supports higher-load operation
• 550 mΩ RDS(on) allowing predictable conduction losses
• 36 nC typical gate charge for manageable gate driving
• 30V maximum gate-source voltage protects against overdrive

Applications


• Suitable for offline power supplies and converters
• Ideal for motor-drive switching stages
• Used with inverter circuits requiring high voltage
• Can be used for industrial switching regulators
• Appropriate for through-hole prototyping and repair work

What are the thermal limits for reliable operation?


The device is rated to function between -55 °C and 150 °C, permitting use in demanding thermal environments when coupled with adequate cooling.

How does the package aid thermal management?


The TO-220AB through-hole format allows attachment to a heatsink and offers a low thermal‑resistance path for dissipating up to 125W under specified conditions.

What gate drive considerations apply for fast switching?


With a typical gate charge of 36 nC, driver selection should match the desired switching speed and account for switching losses and available drive current.

How should the forward voltage be treated in design calculations?


A forward voltage of 2V should be included when estimating conduction losses and voltage drops in circuits that rely on body‑diode behaviour or synchronous switching.

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