CLP521
AC / DC
Weight: 0.26 g (typ.)  Weight: 0.54 g (typ.) 
Unit in mm
1
Programmable Controller 
−Input Module 
Solid State Relay 
Pin Configurations (top view) 
Weight: 1.1 g (typ.) 
− 2 and −4 consists of a photo−transistor 
optically coupled to a gallium arsenide infrared emitting diode. 
−2 offers two isolated channels in an eight lead plastic DIP, 
−4 provides four isolated channels in a sixteen plastic 
DIP. 
• Collector−emitter voltage: 55 V (min.) 
• Current transfer ratio: 50% (min.) 
Rank GB: 100% (min.)