DESCRIPTION The TLP521, TLP521-2, TLP521-4 series of optically coupled isolators consist of infrared light emitting diodes and NPN silicon photo transistors in space efficient dual in line plastic packages. FEATURES Options :- 10mm lead spread – add G after part no. Surface mount – add SM after part no. Tape&reel – add SMT&R after part no.High Current Transfer Ratio ( 50% min) High Isolation Voltage (5.3kVRMS ,7.5kVPK ) High BVCEO ( 55Vmin ) All electrical parameters 100% tested Custom electrical selections available APPLICATIONS Computer terminals Industrial systems controllers Measuring instruments Signal transmission between systems of different potentials and impedances Datasheet