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U217B-FP - Zero Voltage Switch

Download the U217B-FP datasheet PDF. This datasheet also covers the U217B variant, as both devices belong to the same zero voltage switch family and are provided as variant models within a single manufacturer datasheet.

General Description

The integrated circuit, U217B, is designed as a zerovoltage switch in bipolar technology.

It is used to control resistive loads at mains by a triac in zero-crossing mode.

Key Features

  • D Direct supply from the mains D Current consumption ≤ 0.5 mA D Very few external components D Full wave drive.
  • no dc current component in the load circuit D Negative output current pulse typ. 100 mA.
  • short circuit protected D Simple power control D Ramp generator D Reference voltage.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (U217B-TEMIC.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by TEMIC Semiconductors (now Microchip)

Part Number Description
U217B-FP Zero Voltage Switch / Temperature Control
U217B Zero Voltage Switch

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.

View original datasheet text
U217B/ U217B-FP Zero Voltage Switch with Adjustable Ramp Description The integrated circuit, U217B, is designed as a zerovoltage switch in bipolar technology. It is used to control resistive loads at mains by a triac in zero-crossing mode. A ramp generator allows to realize power control function by period group control, whereas full wave logic guarantees that full mains cycles are used for load switching. Features D Direct supply from the mains D Current consumption ≤ 0.5 mA D Very few external components D Full wave drive – no dc current component in the load circuit D Negative output current pulse typ.