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U6044B - Radiator fan controlled timer

General Description

The bipolar integrated circuit, U 6044 B, 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 cool-off process.

Key Features

  • www. DataSheet4U. com D Delay time range: 4 s to 20 h D Cool-off time starts when thermal switch is closed D RC oscillator determines switching characteristics D Relay driver with Z-diode D Debounced input for coolant temperature switch D Not debounced input for ignition key (Terminal 15) D Low standby current D Load dump protection D RF interference protected D Protection according to ISO/TR 7637-1 (VDE 0839) Cases: DIP 8, SO 8 C2 10 m F VS 8 C1 R1 510 W x VBatt R2 Vstab 7 OSC 6 Oscillator.

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Full PDF Text Transcription (Reference)

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TELEFUNKEN Semiconductors U 6044 B Radiator fan controlled timer Description The bipolar integrated circuit, U 6044 B, 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 cool-off process. In addition, an air-conditioning contact can switch on the radiator fan at any time. Features www.DataSheet4U.