View rhrp1540 datasheet:

RHRP1540, RHRP1550, S E M I C O N D U C T O R RHRP1560 15A, 400V - 600V Hyperfast Diodes April 1995 Features Package JEDEC TO-220AC • Hyperfast with Soft Recovery. . . . . . . . . . . . . . . . <35ns ANODE • Operating Temperature . . . . . . . . . . . . . . . . . . . .+175oC CATHODE • Reverse Voltage Up To . . . . . . . . . . . . . . . . . . . . . . 600V CATHODE (FLANGE) • Avalanche Energy Rated • Planar Construction Applications • Switching Power Supplies Symbol • Power Switching Circuits K • General Purpose Description RHRP1540, RHRP1550 and RHRP1560 (TA49061) are hyperfast diodes with soft recovery characteristics (tRR < A 35ns). They have half the recovery time of ultrafast diodes and are silicon nitride passivated ion-implanted epitaxial pla- nar construct