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Applications of Silicon Controlled Rectifiers (Thyristors)

Applications of Silicon Controlled Rectifiers (Thyristors). Topology of an SCR. Practical Uses. Controlled Fulled-Wave Rectifier. Example Alarm Triggered by a SCR. Infrared Detector Pair. Biasing The Emitter Detector Pair. Current Source to Assure Triggering the Circuit.

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Applications of Silicon Controlled Rectifiers (Thyristors)

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  1. Applications of Silicon Controlled Rectifiers(Thyristors)

  2. Topology of an SCR

  3. Practical Uses Controlled Fulled-Wave Rectifier

  4. Example Alarm Triggered by a SCR

  5. Infrared Detector Pair

  6. Biasing The Emitter Detector Pair

  7. Current Source to Assure Triggering the Circuit

  8. Triggering The Thyristor

  9. Major considerations when ordering a SCR are: • (a) Peak forward and reverse breakdown voltages(b) Maximum forward current(c) Gate trigger voltage and current(d) Minimum holding current,Ih(e) Power dissipation

  10. Understanding Data Sheets

  11. Advantages • Drive Very High Currents by applying only a small current in the circuit. • Example • Remote Control • Fastter Response Than Any Other Semiconductor

  12. Questions?

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