IRF740PBF MOSFETs by Vishay – High-Voltage Switching Power for Demanding Applications
The MOSFETs IRF740PBF by Vishay are high-performance, N-channel power MOSFETs designed for fast switching and high-voltage applications. With a drain-source voltage of 400V and continuous current handling of 10A, these transistors are widely used in power supplies, motor drivers, and high-efficiency circuits. Known for their ruggedness and reliable switching characteristics, the IRF740PBF MOSFETs by Vishay are a go-to choice for engineers designing efficient and compact power systems.
In this blog, we’ll cover the technical specifications, key features, typical applications, wiring overview, real-world usage, and how to access the datasheet or buy directly from Xon Electronics.
Technical Specifications of IRF740PBF
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Manufacturer: Vishay
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Part Number: IRF740PBF
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Type: N-Channel Power MOSFET
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Drain-Source Voltage (Vds): 400V
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Continuous Drain Current (Id): 10A
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Rds(on): 0.55O max @ 10Vgs
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Gate Threshold Voltage (Vgs(th)): 2.0–4.0V
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Total Gate Charge: 63nC
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Package: TO-220AB
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Mounting Type: Through Hole
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Category: Semiconductors, Transistors, MOSFETs by Vishay
These transistors offer excellent thermal stability, allowing operation in high-stress environments without compromising performance.
Key Features of IRF740PBF
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High Voltage Capability (400V) – Ideal for industrial and power switching
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Fast Switching Speed – Enhances efficiency in high-frequency applications
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Low Gate Drive Requirement – Reduces power needs for control circuitry
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Robust TO-220AB Package – Suitable for heatsinking and power dissipation
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RoHS Compliant & Lead-Free – Meets global environmental standards
These features ensure that the IRF740PBF MOSFETs by Vishay deliver powerful and consistent switching across a wide range of applications.
Applications of IRF740PBF
The IRF740PBF MOSFETs by Vishay are trusted in diverse systems requiring efficient switching and high-voltage handling:
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Switched-Mode Power Supplies (SMPS)
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Inverter Circuits for Solar and Motor Drives
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High-Voltage Lighting Systems (e.g., HID Ballasts)
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Battery Chargers and UPS
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Industrial Motor Controllers
Whether you're designing a custom power module or repairing an inverter, these Vishay MOSFETs ensure safe and reliable performance.
Wiring and Connection Overview
A typical IRF740PBF setup includes:
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Gate (G): Connected to control signal or driver
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Drain (D): Connected to load (e.g., motor, lamp)
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Source (S): Connected to ground or reference
Ensure proper heatsinking if used in continuous or high-load operations. For switching efficiency, use a fast gate driver IC.
Use Case Scenario: SMPS Power Stage Upgrade
Scenario: A power supply engineer needed a cost-effective solution for a 400V SMPS with improved thermal management.
Problem: Existing MOSFETs had high heat dissipation and frequent failure under voltage spikes.
Solution: The engineer switched to IRF740PBF MOSFETs by Vishay, which offered higher voltage tolerance and improved switching speeds.
Result: Reduced system temperature by 15%, improved long-term reliability, and eliminated voltage spike failures.
This upgrade illustrates how MOSFETs by Vishay can boost system performance and durability under demanding conditions.
Download Datasheet for IRF740PBF
Want more technical details, performance curves, or packaging info?
Download the IRF740PBF Datasheet from Xon Electronics
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Why Buy from Xon Electronics?
When sourcing MOSFETs by Vishay, Xon Electronics offers unmatched advantages:
100% Original Vishay Components
Global Shipping – USA, Europe, India, Australia & beyond
Volume Discounts for OEMs & Engineers
Technical Support for Seamless Integration
Safe and Trusted Checkout System
Order today from www.xonelec.com and power your designs with reliable components that deliver.
Conclusion
The IRF740PBF MOSFETs by Vishay are engineered for high-efficiency switching in high-voltage applications. With features like 400V Vds, low Rds(on), and fast switching, they provide outstanding value for power conversion, control, and protection systems. Now available from Xon Electronics with global delivery and technical support.
FAQs – IRF740PBF MOSFET
Q1. What is the maximum voltage rating of the IRF740PBF?
It can handle up to 400V drain-source voltage (Vds).
Q2. Is this MOSFET suitable for high-frequency switching?
Yes, it has low gate charge and fast switching capability.
Q3. What is the package type of IRF740PBF?
It comes in a TO-220AB package, ideal for through-hole and heatsink mounting.
Q4. Are these components RoHS compliant?
Yes, they are lead-free and fully RoHS compliant.
Q5. Where can I buy IRF740PBF globally?
You can purchase from www.xonelec.com, with worldwide shipping options.