That's a mistake in the Mouser catalog. The manufacturer data sheets, for example from DIODES INC. et al., all show 1000V for a 6A10. (And 100V for a 6A01.) -Steve WB2WIK At 02:38 PM 6/29/2011 -0400, Robert Dorchuck wrote: >Search for 6A10 at Mouser and you will find both 100 and 1000 volt >ratings. >Bob W6VY >