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U243B - Warning or Car-Direction Indicator

General Description

The application circuit shows the operation of the U243B as a car-direction indicator signal generator.

Key Features

  • D Can be protected against damage or interference with a minimum of external circuitry D Voltage dependence of the car indicator lamps also compensated for lamp failure D Temperature- and voltage-compensated frequency D Warning indication of lamp failure by means of frequency doubling D Relay output with high-current carrying capacity and low saturation voltage Figure 1.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U243B Warning or Car-Direction Indicator Technology: Bipolar Features D Can be protected against damage or interference with a minimum of external circuitry D Voltage dependence of the car indicator lamps also compensated for lamp failure D Temperature- and voltage-compensated frequency D Warning indication of lamp failure by means of frequency doubling D Relay output with high-current carrying capacity and low saturation voltage Figure 1. Application circuit as a car flasher (Resistor R1, R2 and Rt: 1/4 Watt R1 for protection against continuous reversed polarity: 2 Watt) Order Information Extended Type Number U243B U243B-FP Package 8 pin dual-inline plastic 8 pin SO plastic Remarks TELEFUNKEN Semiconductors Rev.