Part Details for IRF740B by Fairchild Semiconductor Corporation
Results Overview of IRF740B by Fairchild Semiconductor Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
Industrial Automation
Energy and Power Systems
Renewable Energy
IRF740B Information
IRF740B by Fairchild Semiconductor Corporation is a Power Field-Effect Transistor.
Power Field-Effect Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for IRF740B
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 9 |
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RFQ | ||
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Quest Components | 10 A, 400 V, 0.54 ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB | 7 |
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$1.1200 / $1.4000 | Buy Now |
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ComSIT USA | Electronic Component RoHS: Not Compliant |
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RFQ |
Part Details for IRF740B
IRF740B CAD Models
IRF740B Part Data Attributes
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IRF740B
Fairchild Semiconductor Corporation
Buy Now
Datasheet
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Compare Parts:
IRF740B
Fairchild Semiconductor Corporation
Power Field-Effect Transistor, 10A I(D), 400V, 0.54ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB, TO-220, 3 PIN
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | TO-220AB | |
| Package Description | TO-220, 3 PIN | |
| Pin Count | 3 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Avalanche Energy Rating (Eas) | 450 mJ | |
| Configuration | SINGLE WITH BUILT-IN DIODE | |
| DS Breakdown Voltage-Min | 400 V | |
| Drain Current-Max (ID) | 10 A | |
| Drain-source On Resistance-Max | 0.54 Ω | |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | |
| JEDEC-95 Code | TO-220AB | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Mode | ENHANCEMENT MODE | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | FLANGE MOUNT | |
| Polarity/Channel Type | N-CHANNEL | |
| Power Dissipation-Max (Abs) | 134 W | |
| Pulsed Drain Current-Max (IDM) | 40 A | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | SINGLE | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON |
Alternate Parts for IRF740B
This table gives cross-reference parts and alternative options found for IRF740B. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of IRF740B, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| IRF740B | Rochester Electronics LLC | Check for Price | 10A, 400V, 0.54ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB, TO-220, 3 PIN | IRF740B vs IRF740B |
IRF740B Frequently Asked Questions (FAQ)
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The maximum operating temperature range for the IRF740B is -55°C to 175°C.
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To ensure proper biasing, the gate-source voltage (Vgs) should be between 2V to 4V for optimal performance. Additionally, the drain-source voltage (Vds) should be within the recommended range of 0V to 400V.
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The maximum continuous drain current (Id) for the IRF740B is 10A, and the maximum pulsed drain current is 20A.
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To protect the IRF740B from overvoltage and overcurrent, use a voltage regulator or a voltage clamp to limit the voltage, and consider adding a current sense resistor and a fuse or a current limiter to prevent overcurrent.
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The recommended gate resistor value for the IRF740B is typically between 1kΩ to 10kΩ, depending on the specific application and switching frequency.