Description
The LCA127L is a current-limiting, 250V, 170mA, 15Ω, normally open (1-Form-A) solid state relay featuring low on-resistance, which uses optically coupled MOSFET technology to provide 3750Vrms of input to output isolation.

Features
• Current Limiting
• 3750Vrms Input/Output Isolation
• Low Drive Power Requirements (TTL/CMOS Compatible)
• High Reliability
• Arc-Free With No Snubbing Circuits
• FCC Compatible
• VDE Compatible
• No EMI/RFI Generation
• Small 6-Pin Package
• 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