Sensitive Crowbar (CB5887E)

This circuit is from an 80's documentation, firing when the input voltage exceeds 5 V. The SCR can be the TIC106 need not have a heatsink.

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12 + 12 W amplifier TDA1521 (CB15986E)
This integrated is indicated for sound systems of stereo televisions and stereo radios. Its pinout...
Source without Transformer (CB12731E)
The power supply shown below is used to supply continuous voltages between 3 and 12 V to small...
Intelligent Emergency Lighting System (CB16904E)
In addition to keeping a battery constantly charged, this circuit only lights lamps when it is...