
INTEGRATED CIRCUITS DIVISION
www.ixysic.com
DS-PAA191-R04 1
PAA191
Dual Single-Pole, Normally Open
OptoMOS® Relays
e3
Pb
Part # Description
PAA191 8-Lead DIP (50/tube)
PAA191S 8-Lead Surface Mount (50/tube)
PAA191STR 8-Lead Surface Mount (1000/Reel)
Parameter Rating Units
Load Voltage 400 VP
Load Current 250 mArms / mADC
On-Resistance (max) 8
Applications
Features
Description
Ordering Information
Pin Configuration
• 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
• 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 Approvals
• UL Recognized Component: File E76270
• CSA Certified Component: Certificate 1175739
• EN/IEC 60950-1 Certified Component:
TUV Certificate B 09 07 49410 004
Switching Characteristics
of Normally Open Devices
Form-A
IF
ILOAD
10%
90%
ton toff
1
2
3
4
+ Control - Switch #1
– Control - Switch #1
+ Control - Switch #2
– Control - Switch #2
8
7
6
5
Load - Switch #1
AC/DC Configuration
Load - Switch #1
Load - Switch #2
Load - Switch #2
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 GaAIAs infrared LED.
This dual single-pole OptoMOS relay provides a more
compact design solution than discrete single-pole
relays in a variety of applications, and saves board
space by incorporating both switches in a single 8-pin
package.