Bosch buzz

[krminyl@...]

Diodes (not a capacitor) are most often used across the coil to provide a
path for current when the current path to the relay is interrupted (i.e.
switched off, coil no longer energized). This allows the coil field to collapse
without the voltage spike that would otherwise be generated. The diode protects
switch or relay contacts and other circuits that may be sensitive to voltage
spikes. Capacitors basically store electricity, diodes direct the current in
just one direction (prevents "feedback").

FWIW....

Kevin McKeown
Yorba Linda, CA
1986 38' PT (For sale)



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