DESCRIPTION
PS2503-1, -2, -4 and PS2503L-1, -2, -4 series are optically coupled isolator containing a GaAs light emitting diode and an NPN silicon phototransistor.
PS2503-1, -2, -4 are in a plastic DIP (Dual In-line Package) and PS2503L-1, -2, -4 are lead bending type (Gullwing) for surface mount.

FEATURES
• High isolation voltage (BV: 5 000 Vr.m.s. MIN.)
• High speed switching (tr = 20 µs, tf = 30 µs TYP., @RL = 10 kΩ)
• High current transfer ratio (CTR: 100 % MIN. @IF = 1 mA, VCE = 5 V)
• Taping Product number
   (PS2503L-1-E3, E4, F3, F4)
   (PS2503L-2-E3, E4)
• UL recognized [File No. E72422(S)]

APPLICATIONS
Interface circuit for various instrumentations, control equipments.
• AC Line/Digital Logic .................................................. Isolate high voltage transients
• Digital Logic/Digital Logic ........................................... Eliminate spurious ground loops
• Twisted pair line receiver ........................................... Eliminate ground look pick-up
• Telephone/Telegraph line receiver ............................ Isolate high voltage transients
• High Frequeny Power Supply Feedback Control ...... Maintain floating ground
• Relay Contact Monitor ................................................ Isolate floating grounds and transients
• Power Supply Monitor ................................................ Isolate transients and ground systems