The PS2501-4 are optically coupled isolators containing a GaAs light emitting diode and an NPN silicon photo transistor. The PS2501-4 are in a plastic DIP (Dual In-line Package) and the PS2501L-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.)
• Safety standards -UL approved: File No. E72422
Application:-
• Power supply
• Telephone/FAX.
• FA/OA equipment
• Programmable logic controller
Specification:-
| Symbol | Parameter | Value | Unit |
| IF | Forward current | 80 | mA |
| PD | Power dissipation | 120 | mW |
| VR | Reverse Voltage | 6 | V |
| Tstg | Storage temperature range | −55 to +150 | °C |
| TOPR | Operating Temperature | −55 to +100 | °C |
| IFP | Peak Forward Current | 1 | A |
| BV | Isolation Voltage | 5000 | Vr.m.s |
| VCEO | Collector-emitter breakdown voltage | 80 | V |
| VECO | Emitter-collector voltage | 7 | V |
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