As seen in the museum: Philips P2000M

p2000mAxial lead diode Standard silicon rectifier diodes P 2000 A ... P 2000 S Forward Current: 20 A Reverse Voltage: 50 to 1200 V Features !#$ Mechanical Data637-P2000M Mfr. No: P2000M Mfr.: Diotec Semiconductor Diotec Semiconductor. Customer No: Description: Rectifiers Diode, P600, 1000V, 20A Datasheet: P2000M Datasheet (PDF) ECAD