The LL4501 is a C-core line output transformer. Standard version is gapped for DC current. LL4501G is gapped for a smaller current and has been 
used in telephone hybrid circuits.


Pin configuration (as seen from PIN side)    
4,      3,      2,      1 

          
8,               6,      5,      

LL4501 usage (turn ration 1 : 1)    
pin 1 		primary signal in (+)  
pin 3 		primary side ground  
pin 2 + pin 4	connect    
pin 8		out +  
pin 6		out -  
pin 5		Faraday shield. Ground.