Power zener (CB21503E)

In the figure we have the way to implement a power zener diode. The voltage depends on the zener, and the maximum current of the transistor.

| Clique na imagem para ampliar |

Ground Fault Switch (CB5947E)
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
Switching amplifier (CB9001E)
We found this circuit in an old American documentation. The circuit applies to modern equivalent...
Triggered Monostable (CB15873E)
The trigger shown in the figure, built around a 4093 can generate pulses that reach 1 hour with a...