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PAA191S - Normally Open OptoMOS Relays

Download the PAA191S datasheet PDF. This datasheet also covers the PAA191 variant, as both devices belong to the same normally open optomos relays family and are provided as variant models within a single manufacturer datasheet.

General Description

PAA191 is a dual 400V, 250mA, 8 normally open (1-Form-A) solid state relay that uses optically coupled MOSFET technology to provide 5000Vrms of input to output isolation.

Its optically coupled outputs, which use the patented OptoMOS architecture, are controlled by a highly efficient infrared LED.

Key Features

  • 5000Vrms Input/Output Isolation.
  • Low Drive Power Requirements.
  • Greater Reliability than Electromechanical Relays.
  • No EMI/RFI Generation.
  • Small 8-Pin Packages.
  • Flammability Rating UL 94 V-0.
  • Surface Mount Tape & Reel Version Available.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PAA191-IXYS.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
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PAA140 Single Pole OptoMOS Relays Clare Inc.
PAA150 DUAL POLE OptoMOS Relay Clare Inc.
PAA25-10 AC-DC modules TT

Other Datasheets by IXYS (now Littelfuse)

Part Number Description
PAA191 Normally Open OptoMOS Relays
PAA190 Normally Open OptoMOS Relays
PAA193 Normally Open OptoMOS Relays
PAA110 Normally Open OptoMOS Relay
PAA127 Normally Open OptoMOS Relay

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
INTEGRATED CIRCUITS DIVISION Parameter Blocking Voltage Load Current On-Resistance (max) Rating 400 250 8 Units VP mArms / mADC  Features • 5000Vrms Input/Output Isolation • Low Drive Power Requirements • Greater Reliability than Electromechanical Relays • No EMI/RFI Generation • Small 8-Pin Packages • Flammability Rating UL 94 V-0 • Surface Mount Tape & Reel Version Available Applications • Telecommunications • Telecom Switching • Tip/Ring Circuits • Modem Switching (Laptop, Notebook, Pocket Size) • Hook Switch • Dial Pulsing • Ground Start • Ringing Injection • Instrumentation • Multiplexers • Data Acquisition • Electronic Switching • I/O Subsystems • Meters (Watt-Hour, Water, Gas) • Medical Equipment-Patient/Equipment Isolation • Security • Industrial Controls PAA191 400V, 250mA