Thermostat (CB6008E)

This circuit controls a heating element using a triac. Triac must be fitted with a heat sink. We find it in an American documentation from the 80s.

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Constant current source for low resistance measurements (CB7542E)
Found in an American documentation from the 90s, this sophisticated circuit is suitable for...
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Found in a 1980s documentation, this circuit works with a 12V relay. The horn is the boat's own. |...