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

Features
• 5000Vrms Input/Output Isolation
• Low Drive Power Requirements (TTL/CMOS Compatible)
• No Moving Parts
• High Reliability
• Arc-Free With No Snubbing Circuits
• No EMI/RFI Generation
• Small 8-Pin Packages
• Machine Insertable, Wave Solderable
• 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
• Aerospace
• Industrial Controls