The PS2501-1, -2, -4 and PS2501L-1, -2, -4 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon phototransistor.
The PS2501-1, -2, -4 are in a plastic DIP (Dual In-line Package) and the PS2501L-1, -2, -4 are lead bending type (Gull-wing) for surface mount.

Features:

High isolation voltage (BV = 5,000 Vr.m.s.).
High collector-to-emitter voltage (VCEO = 80 V).
High-speed switching (tr = 3 μs TYP., tf = 5 μs TYP.).
Ordering number of taping product: PS2501L-1-E3, E4, F3, F4, PS2501L-2-E3, E4.
UL approved: File No. E72422 (S).

Applications:

Power supply.
Telephone/FAX.
FA/OA equipment.
Programmable logic controller.