| 251UL100S10 | International Rectifier | 1000V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL120S15 | International Rectifier | 1200V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL140S15 | International Rectifier | 1400V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL160S15 | International Rectifier | 1600V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL180S20 | International Rectifier | 1800V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL200S20 | International Rectifier | 2000V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL250S20 | International Rectifier | 2500V Fast Recovery Diode in a DO-205AB (DO-9) package |
| 251UL80S10 | International Rectifier | 800V Fast Recovery Diode in a DO-205AB (DO-9) package |