| 1280201 | P425K | 1200V 40A 2 SCR Lateral Bridge with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280202 | P425KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280203 | P425W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280204 | P431 | 400V 40A 4 SCR in a PACE-Pak package | International Rectifier |
| 1280205 | P431K | 400V 40A 4 SCR with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280206 | P431KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280207 | P431W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280208 | P432 | 600V 40A 4 SCR in a PACE-Pak package | International Rectifier |
| 1280209 | P432K | 600V 40A 4 SCR with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280210 | P432KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280211 | P432W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280212 | P433 | 800V 40A 4 SCR in a PACE-Pak package | International Rectifier |
| 1280213 | P433K | 800V 40A 4 SCR with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280214 | P433KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280215 | P433W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280216 | P434 | 1000V 40A 4 SCR in a PACE-Pak package | International Rectifier |
| 1280217 | P434K | 1000V 40A 4 SCR with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280218 | P434KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280219 | P434W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
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| 1280220 | P435 | 1200V 40A 4 SCR in a PACE-Pak package | International Rectifier |
| 1280221 | P435K | 1200V 40A 4 SCR with Voltage Suppression in a PACE-Pak package | International Rectifier |
| 1280222 | P435KW | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280223 | P435W | PASSIVATED ASSEMBLED CIRCUIT ELEMENTS | International Rectifier |
| 1280224 | P443298 | TWO LAMP DC TO AC INVERTER | etc |
| 1280225 | P45N02 | 45A / 20V / 0.022 Ohm / N-Channel Logic Level Power MOSFETs | Intersil |
| 1280226 | P4631 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280227 | P4631-01 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280228 | P4631-03 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280229 | P4631-04 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280230 | P4631-10 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280231 | P4638 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280232 | P4639 | Infrared detector module with preamp | Hamamatsu Corporation |
| 1280233 | P467 | CdS photoconductive cell | Hamamatsu Corporation |
| 1280234 | P4802A | solid state crowbar devices | Teccor Electronics |
| 1280235 | P4802AA | 220 V, two-chip sidactor device | Teccor Electronics |
| 1280236 | P4802AB | 220 V, two-chip sidactor device | Teccor Electronics |
| 1280237 | P4802AC | 220 V, two-chip sidactor device | Teccor Electronics |
| 1280238 | P4802ACMC | solid state crowbar devices | Teccor Electronics |
| 1280239 | P4802Z | solid state crowbar devices | Teccor Electronics |
| 1280240 | P4802ZA | 220 V, four-port longitudinal two-chip protector | Teccor Electronics |
