Part 1N5407-T is a general purpose diode from Diodes Inc. that has gone obsolete.
DigiKey part GP30K-E3/54GICT-ND is an option to look at as a possible alternative.
To verify this part will work in your application or to view full specifications see the manufacturer datasheet for part GP30K-E3/54GICT-ND
Please review the datasheets to ensure the alternative will work for your application.