| Model | Manufacturers | lot number | encapsulation | illustrate | 
| IRF634STRLPBF | IR | 10+ | TO-263 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634STRL | IR | 10+ | TO-263 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634SPBF | IR | 10+ | TO-263 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634S | IR | 10+ | TO-263 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634PBF | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634NSPBF | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634NS | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634NPBF | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634N | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF634 | IR | 10+ | TO-220 | N-Channel Power MOSFET (N-channel enhanced power MOS FET (250V drainage voltage, 0.45Ω on-resistance, 8.1A leakage current)) | 
| IRF640PBF | IR | 10+ | TO-220 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640LPBF | IR | 10+ | TO-220 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640L | IR | 10+ | TO-220 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640 | IR | 10+ | TO-220 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640STRRPBF | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640STRR | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640STRLPBF | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640STRL | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640SPBF | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) | 
| IRF640S | IR | 10+ | TO-263 | Power MOSFET(Vdss=200V, Rds(on)=0.18ohm, Id=18A) |