>>Ton should be about 5 nsec for 1N4148. >> >> > >'should' is not a valid input for design. Can you locate that parameter >in the (any?) datasheet? > >Wouter van Ooijen > > > > http://www.vishay.com/docs/85521/85521.pdf Shows time to "reverse its polarity", same thing as switching speed. --Bob -- Note: To protect our network, attachments must be sent to attach@engineer.cotse.net . 1-520-850-1673 USA/Canada http://beam.to/azengineer -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist