Parts · Transistors
IRF740
Si N-ch MOSFET TO-220 TH.34 circuits use this part. Listed as: Transistor IRF740; 400V 20A N-Channel MOSFET; N-Channel MOSFET; TO-220.
Datasheet · from vishay.com
Substitutes N-channel MOSFET
Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.
This part
| Part | Vgs(th) | Id max | Vds | Pd |
|---|---|---|---|---|
| IRF740 | 4 V | 10000 mA | 400 V | 125 W |
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| Faceplate | Circuit | Based on | Category | Vendor | Box | Knobs | Price | BOM |
|---|---|---|---|---|---|---|---|---|
| Ambassador 2N3904 · IRF740 · NE555 Matchless Hotbox · 1590BB | Matchless Hotbox | Overdrive | C2C Electronics | 1590BB | 5 | $21.00 | 36 | |
| Bassdude 2N3904 · IRF740 · NE555 Fender Bassman · 1590BB | Fender Bassman | Preamp / Amp-in-a-box | C2C Electronics | 1590BB | 4 | $21.00 | 29 | |
| Bathtub Reverb 2N3904 · 7805 · BTDR-2H · IRF740 125B | — | Reverb | C2C Electronics | 125B | 2 | $18.00 | 30 | |
| Black Eye 2N3904 · IRF740 · NE555 Soldano Supercharger GTO · 1590BB | Soldano Supercharger GTO | Distortion | C2C Electronics | 1590BB | 3 | $21.00 | 32 | |
| Diplomat 2N3904 · 7806 · IRF740 · L7806 Matchless DC30 · 125B | Matchless DC30 | Preamp / Amp-in-a-box | C2C Electronics | 125B | 1 | $18.00 | 39 | |
| High Voltage SMPS 2N3904 · IRF740 · L7806 REGULATOR · NE555 | — | Utility | C2C Electronics | — | — | $8.00 | 17 | |
| King Nothing 2N3904 · IRF740 · J201 · NE555 Kingsley Harlot · 125B | Kingsley Harlot | Overdrive | C2C Electronics | 125B | 3 | $18.00 | 40 | |
| Lab Rat 2N3904 · IRF740 · NE555 ProCo RAT · 1590BB | ProCo RAT | Distortion | C2C Electronics | 1590BB | 4 | $20.00 | 40 | |
| Mirage Tremolo 2N3904 · IRF740 · NE555 Matchless Vibrobox · 1590BB | Matchless Vibrobox | Tremolo | C2C Electronics | 1590BB | 2 | $21.00 | 36 | |
| Nobelium 2N3904 · IRF740 · NE555 Noble Preamp · 1590XX | Noble Preamp | Preamp / Amp-in-a-box | C2C Electronics | 1590XX | 4 | $29.00 | 53 | |
| Particle Accelerator 2N3904 · IRF740 · NE555 Alembic F-2B · 125B | Alembic F-2B | Preamp / Amp-in-a-box | C2C Electronics | 125B | 5 | $18.00 | 30 | |
| Solaris Delay 2N3904 · 7805 · IRF740 · L7805 1590BB | — | Delay | C2C Electronics | 1590BB | 4 | $20.00 | 65 | |
| Steddi Go 2N3904 · IRF740 · NE555 1590BB2 | — | Preamp / Amp-in-a-box | C2C Electronics | 1590BB2 | 1 | $15.00 | 25 | |
| Tungsten Preamp 2N3904 · IRF740 · NE555 1590XX | — | Preamp / Amp-in-a-box | C2C Electronics | 1590XX | 7 | $29.00 | 47 | |
| Vampire Slayer 2N3904 · IRF740 · NE555 125B | — | Buffer | C2C Electronics | 125B | — | $14.00 | 23 | |
| Wrecking Ball 2N3904 · IRF740 · NE555 Mesa Boogie Dual Rectifier Solo · 1590XX | Mesa Boogie Dual Rectifier Solo | Preamp / Amp-in-a-box | C2C Electronics | 1590XX | 6 | $29.00 | 37 | |
| Aquarius Preamp BC547 · BC557 · IRF740 · LND150N3-G 1590BB | — | Preamp / Amp-in-a-box | HotKits | 1590BB | 7 | $14.00 | 50 | |
| Belladonna Tube Overdrive BC547 · BC557 · IRF740 · NE555 1590BB2 | — | Overdrive | HotKits | 1590BB2 | 5 | $14.00 | 44 | |
| Brown Cat Preamp v.3 BC547C · BC550C · BC557C · IRF740 Friedman BE50/BE100 preamp · 1590DD | Friedman BE50/BE100 preamp | Preamp / Amp-in-a-box | HotKits | 1590DD | 14 | $28.00 | 75 | |
| C9H13N Tube Overdrive BC547C · BC557C · IRF740 · LND150N3-G 125B | — | Overdrive | HotKits | 125B | 5 | — out | 49 | |
| Crystalline Preamp 4558 · BC547 · BC557 · IRF740 Trace Elliot V-Type · 1590XX | Trace Elliot V-Type | Preamp / Amp-in-a-box | HotKits | 1590XX | 10 | $16.00 | 50 | |
| Datura Tube Overdrive BC547 · BC557 · IRF740 · NE555 1590BB2 | — | Overdrive | HotKits | 1590BB2 | 5 | $69.00 | 41 | |
| Dopamine Preamp BC547C · BC557C · IRF740 · J177 1590BB2 | — | Preamp / Amp-in-a-box | HotKits | 1590BB2 | 7 | $14.00 | 52 | |
| Enigma Preamp BC547C · BC557C · IRF740 · LND150N3-G Dumble Overdrive Special preamp · 1590XX | Dumble Overdrive Special preamp | Preamp / Amp-in-a-box | HotKits | 1590XX | 10 | $28.00 | 65 | |
| Magnum Tube Overdrive BC547C · BC557C · IRF740 · NE555 Tubesteader Magnezium based · 1590BB2 | Tubesteader Magnezium based | Overdrive | HotKits | 1590BB2 | 5 | $14.00 | 42 | |
| Mandragora Tube Overdrive BC547C · BC557C · IRF740 · NE555 Bogner Snorkler preamp · 1590BB2 | Bogner Snorkler preamp | Overdrive | HotKits | 1590BB2 | 5 | $14.00 | 46 | |
| Melissa Tube Overdrive 2N3904 · BC547 · BC557 · IRF740 Friedman BE100 BE Channel · 1590BB2 | Friedman BE100 BE Channel | Overdrive | HotKits | 1590BB2 | 5 | $14.00 | 43 | |
| Nightshade Tube Overdrive BC547C · BC557C · IRF740 · NE555 1590BB2 | — | Overdrive | HotKits | 1590BB2 | 5 | — | 43 | |
| Reef Razor Preamp BC547C · BC557C · IRF740 · J112 Bogner Snorkler preamp · 1590XX | Bogner Snorkler preamp | Preamp / Amp-in-a-box | HotKits | 1590XX | 9 | $28.00 | 61 | |
| Shark Preamp v.2 BC547C · BC557C · IRF740 · J177 ENGL E530 · 1590XX | ENGL E530 | Preamp / Amp-in-a-box | HotKits | 1590XX | 9 | — out | 59 | |
| Skyline Tube Overdrive BC547C · BC557C · IRF740 · NE555 Bogner Ecstasy preamp · 1590BB2 | Bogner Ecstasy preamp | Overdrive | HotKits | 1590BB2 | 5 | $14.00 | 45 | |
| SupraLead Preamp BC547C · BC557C · IRF740 · J177 Marshall Super Lead 1959 · 1590DD | Marshall Super Lead 1959 | Preamp / Amp-in-a-box | HotKits | 1590DD | 12 | $30.00 | 58 | |
| Twilight Warrior Preamp v.3 BC547C · BC557C · IRF740 · LND150N3-G Peavey 5150 preamp · 1590XX | Peavey 5150 preamp | Preamp / Amp-in-a-box | HotKits | 1590XX | 8 | $26.00 | 61 | |
| Wildhoney Preamp v.3 BC547C · BC557C · IRF740 · J112 Soldano SLO preamp · 1590XX | Soldano SLO preamp | Preamp / Amp-in-a-box | HotKits | 1590XX | 9 | — out | 65 |