onsemi | FODM121

The FODM121 is a 3750 V Isolated voltage max it consists of a gallium arsenide infrared emitting diode driving a phototransistor in a compact 4-pin min-flat package. The lead pitch is 2.54mm. The FODM2705 series consists of two gallium arsenide infrared emitting diodes connected in inverse parallel for AC operation.

Features:

• Compact 4-pin surface mount package (2.4mm maximum standoff height)
• Current Transfer Ratio in selected groups DC Input:
• Current Transfer ratio in selected groups
  • DC Input:
    • FODM121: 50-600%
    • FODM121A: 100-300%
    • FODM121B: 50-150%
    • FODM121C: 100-200%
    • FODM121D: 50-100%
    • FODM121E: 150-300%
    • FODM121F: 100-600%
    • FODM2701: 50-300%
    • FODM2701A: 150-300%
    • FODM2701B: 80-160%
    • FODM124: 100% MIN
  • AC Input:
    • FODM2705: 50-300%

Applications:

• Digital logic inputs
• Microprocessor inputs
• Power supply monitor
• Twisted pair line receiver