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.