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

FEATURES
• HIGH ISOLATION VOLTAGE
    BV: 5kVr.m.s.MIN
• HIGH COLLECTOR TO EMITTER VOLTAGE
    VCEO: 80 V MIN
• HIGH CURRENT TRANSFER RATIO
    CTR: 300% TYP
• HIGH SPEED SWITCHING
    tr= 3 µs, tf= 5 µs TYP
• LOW COST
• ISOLATED CHANNELS PER EACH PACKAGE

APPLICATIONS
Interface circuit for various instrumentations and control equipments
• AC LINE / DIGITAL LOGIC
• DIGITAL LOGIC / DIGITAL LOGIC
• TWISTED PAIR LINE RECEIVER
• TELEPHONE / TELEGRAPH LINE RECEIVER
• HIGH FREQUENCY POWER SUPPLY FEEDBACK CONROL
• RELAY CONTACT MONITOR
• POWER SUPPLY MONITOR