There are lots of different MOSFETs out there to buy on eBay, AliExpress, Mouser and other sites. I put some of the more popular MOSFETs in a table for you to sort trough. You can click on the header of the table to sort.
| Name | Price per 10 | Max Current | Max Voltage | Rdson (mOhm) | Amps at 5V | Amps at 10V | Supplier | Form Factor |
|---|---|---|---|---|---|---|---|---|
| IRFZ44N | $2.99 | 49A | 55V | 17mOhm | 31A | 58A | eBay | TO-220 |
| IRF520N | $2.49 | 9.2A | 100V | 150mOhm | 9A | 18A | eBay | TO-220 |
| IRF640N | $3.99 | 18A | 200V | 150mOhm | 18A | 34A | eBay | TO-220 |
| IRF740N | $5.99 | 10A | 400V | 150mOhm | 10A | 19A | eBay | TO-220 |
| IRLZ44N | $4.99 | 47A | 55V | 14mOhm | 36A | 68A | eBay | TO-220 |
| IRF9540N | $9.99 | 23A | 100V | 23mOhm | 23A | 43A | eBay | TO-220 |
| IRF840 | $5.49 | 8A | 500V | 1.2ohm | 8A | 15A | eBay | TO-220 |
| IRF3205 | $7.49 | 110A | 55V | 8mOhm | 75A | 140A | eBay | TO-220 |
| IRFP260N | $7.99 | 50A | 200V | 30mOhm | 25A | 47A | eBay | TO-220 |
| IRF3710Z | $8.49 | 57A | 100V | 24mOhm | 46A | 87A | eBay | TO-220 |
| IRFP460 | $27.99 | 20A | 500V | 200mOhm | 20A | 37A | eBay | TO-247 |
| IRFP250N | $29.99 | 30A | 200V | 60mOhm | 30A | 57A | eBay | TO-247 |
| IRFP264N | $16.99 | 28A | 250V | 45mOhm | 28A | 53A | eBay | TO-247 |
| IRFP150N | $22.99 | 42A | 100V | 15mOhm | 42A | 80A | eBay | TO-247 |
| IRFP450 | $23.99 | 14A | 500V | 200mOhm | 14A | 26A | eBay | TO-247 |
| IRFP250 | $21.99 | 30A | 200V | 80mOhm | 30A | 57A | eBay | TO-247 |
| IRFP260 | $23.99 | 50A | 200V | 38mOhm | 25A | 47A | eBay | TO-247 |
| IRFP264 | $25.99 | 28A | 250V | 50mOhm | 28A | 53A | eBay | TO-247 |
| IRFP240 | $19.99 | 20A | 200V | 140mOhm | 20A | 38A | eBay | TO-247 |
| IRFP254 | $18.99 | 16A | 250V | 90mOhm | 16A | 30A | eBay | TO-247 |
| IRF3205 | $5.00 | 110A | 55V | 8mOhm | 75A | 140A | AliExpress | TO-220 |
| IRF1405 | $15.89 | 169A | 55V | 3.5mOhm | 119A | 226A | AliExpress | TO-220 |
| IRF540N | $3.16 | 28A | 100V | 44mOhm | 28A | 53A | AliExpress | TO-220 |
| IRF640 | $5.33 | 18A | 200V | 150mOhm | 18A | 34A | AliExpress | TO-220 |
| IRF540 | $4.30 | 28A | 100V | 44mOhm | 28A | 53A | AliExpress | TO-220 |
| IRF9540 | $6.70 | 23A | 100V | 23mOhm | 23A | 43A | AliExpress | TO-220 |
| IRF1010E | $5.00 | 84A | 60V | 12mOhm | 56A | 106A | AliExpress | TO-220 |
| IRFP260N | $14.99 | 50A | 200V | 30mOhm | 25A | 47A | AliExpress | TO-220 |
| IRF1404 | $7.99 | 140A | 40V | 2.5mOhm | 98A | 186A | AliExpress | TO-220 |
| IRF520 | $1.97 | 9.2A | 100V | 150mOhm | 9A | 18A | AliExpress | TO-220 |
| IRFP460 | $39.00 | 20A | 500V | 200mOhm | 20A | 37A | AliExpress | TO-247 |
| IRFP250N | $38.50 | 30A | 200V | 60mOhm | 30A | 57A | AliExpress | TO-247 |
| IRFP264N | $15.00 | 28A | 250V | 45mOhm | 28A | 53A | AliExpress | TO-247 |
| IRFP150N | $22.50 | 42A | 100V | 15mOhm | 42A | 80A | AliExpress | TO-247 |
| IRFP450 | $23.00 | 14A | 500V | 200mOhm | 14A | 26A | AliExpress | TO-247 |
| IRFP250 | $38.50 | 30A | 200V | 80mOhm | 30A | 57A | AliExpress | TO-247 |
| IRFP260 | $12.90 | 50A | 200V | 38mOhm | 25A | 47A | AliExpress | TO-247 |
| IRFP264 | $16.90 | 28A | 250V | 50mOhm | 28A | 53A | AliExpress | TO-247 |
| IRFP240 | $11.50 | 20A | 200V | 140mOhm | 20A | 38A | AliExpress | TO-247 |
| IRFP254 | $12.90 | 16A | 250V | 90mOhm | 16A | 30A | AliExpress | TO-247 |
| IRF3205 | $4.18 | 110A | 55V | 8mOhm | 75A | 140A | Mouser | TO-220 |
| IRF1405 | $20.14 | 169A | 55V | 3.5mOhm | 119A | 226A | Mouser | TO-220 |
| IRF540N | $1.46 | 28A | 100V | 44mOhm | 28A | 53A | Mouser | TO-220 |
| IRF640 | $3.46 | 18A | 200V | 150mOhm | 18A | 34A | Mouser | TO-220 |
| IRF540 | $1.46 | 28A | 100V | 44mOhm | 28A | 53A | Mouser | TO-220 |
| IRF9540 | $3.98 | 23A | 100V | 23mOhm | 23A | 43A | Mouser | TO-220 |
| IRF1010E | $2.05 | 84A | 60V | 12mOhm | 56A | 106A | Mouser | TO-220 |
| IRFP260N | $4.13 | 50A | 200V | 30mOhm | 25A | 47A | Mouser | TO-220 |
| IRF1404 | $8.96 | 140A | 40V | 2.5mOhm | 98A | 186A | Mouser | TO-220 |
| IRF520 | $1.04 | 9.2A | 100V | 150mOhm | 9A | 18A | Mouser | TO-220 |
| IRFP460 | $44.00 | 20A | 500V | 200mOhm | 20A | 37A | Mouser | TO-247 |
| IRFP250N | $43.30 | 30A | 200V | 60mOhm | 30A | 57A | Mouser | TO-247 |
| IRFP264N | $13.90 | 28A | 250V | 45mOhm | 28A | 53A | Mouser | TO-247 |
| IRFP150N | $22.47 | 42A | 100V | 15mOhm | 42A | 80A | Mouser | TO-247 |
| IRFP450 | $17.60 | 14A | 500V | 200mOhm | 14A | 26A | Mouser | TO-247 |
| IRFP250 | $43.30 | 30A | 200V | 80mOhm | 30A | 57A | Mouser | TO-247 |
| IRFP260 | $15.99 | 50A | 200V | 38mOhm | 25A | 47A | Mouser | TO-247 |
| IRFP264 | $17.05 | 28A | 250V | 50mOhm | 28A | 53A | Mouser | TO-247 |
| IRFP240 | $11.80 | 20A | 200V | 140mOhm | 20A | 38A | Mouser | TO-247 |
| IRFP254 | $13.50 | 16A | 250V | 90mOhm | 16A | 30A | Mouser | TO-247 |