U6049B timer equivalent, radiator fan controlled timer.
D D D D D
Delay time range: 3.7 s to 20 h Cooling time starts when thermal switch is closed RC-oscillator determines switching characteristics Relay driver with Z-diode D.
The bipolar integrated circuit, U6049B, is designed as a radiator fan controlled timer. After the ignition is switched off, the thermal switch of the engine can activate the radiator fan via relay for a preset period to support the cooling process.
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