LAA127
DUAL POLE OptoMOS® Relay
Description
LAA127
250
Units
V
mA
Ω
LAA127 is a 250V, 170mA, 10Ω 2-Form-A relay. It fea-
tures enhanced load current capability and a very low on-
resistance. Current limiting version is available (“L” suffix,
see specification for variations in performance).
Load Voltage
Load Current
Max RON
170
10
Features
• Small 8 Pin DIP Package
• Low Drive Power Requirements (TTL/CMOS
Compatible)
• No Moving Parts
Approvals
• UL Recognized: File Number E76270
• CSA Certified: File Number LR 43639-10
• BSI Certified to:
• BS EN 60950:1992 (BS7002:1992)
Certificate #: 7344
• High Reliability
• Arc-Free With No Snubbing Circuits
• 3750VRMS Input/Output Isolation
• FCC Compatible
• VDE Compatible
• BS EN 41003:1993
Certificate #: 7344
• No EMI/RFI Generation
• Machine Insertable, Wave Solderable
• Surface Mount and Tape & Reel
Versions Available
Ordering Information
Part #
LAA127
LAA127P
LAA127PTR
LAA127S
LAA127STR
Description
8 Pin DIP (50/Tube)
8 Pin Flatpack (50/Tube)
8 Pin Flatpack (1000/Reel)
8 Pin Surface Mount (50/Tube)
8 Pin Surface Mount (1000/Reel)
Applications
• Telecommunications
• Telecom Switching
• Tip/Ring Circuits
• Modem Switching (Laptop, Notebook, Pocket Size)
• Hookswitch
• Dial Pulsing
• Ground Start
• Ringer Injection
• Instrumentation
Pin Configuration
• Multiplexers
• Data Acquisition
LAA127 Pinout
• Electronic Switching
• I/O Subsystems
AC/DC Configuration
1
8
+ Control - Switch #1
Load - Switch #1
• Meters (Watt-Hour, Water, Gas)
• Medical Equipment-Patient/Equipment Isolation
• Security
2
3
7
6
– Control - Switch #1
Load - Switch #1
Load - Switch #2
+ Control - Switch #2
4
5
– Control - Switch #2
Load - Switch #2
• Aerospace
• Industrial Controls
Switching Characteristics of
Normally Open (Form A) Devices
10ms
CONTROL
+
90%
10%
+
+
10%
LOAD
TOFF
TON
DS-LAA127-R7
1
www.clare.com