We found this circuit in an old Mullard (Philips) documentation on the 555 and 556 integrated circuit (double 555). The relay must be 12 V with contacts that support the horn current.
This automotive arrow was found in Motorola's 1990 Linear Databook. The circuit is for lamps, and...
This circuit was obtained in an old publication of 1978. The integrated circuit is the critical...
July 2017 - Mouser Electronics already has in stock the new SCRs from the SJxx40x high temperature series from...