Description Specifications Files 1 The 4N37 is a single-channel phototransistor output optocoupler, delivering robust electrical isolation and reliable signal transfer for your critical applications. This device features a gallium arsenide infrared LED and a silicon NPN phototransistor, all within a convenient 6-pin DIP package.General Features- Single-channel optocoupler- 6-pin DIP package- Gallium arsenide infrared LED- Silicon NPN phototransistorKey Advantages- Isolation test voltage: 5000 Vrms- Interfaces seamlessly with common logic families- Low input-output coupling capacitance (less than 0.5 pF)- High current transfer ratio (CTR)- Safety regulatory approvals: UL, cUL, DIN EN 60747-5-2 (VDE 0884)/DIN EN 60747-5-5, BSI, FIMKO, CQCTypical Applications- AC mains detection- Reed relay driving- Switch mode power supply feedback- Telephone ring detection- Logic ground isolation- Logic coupling with high-frequency noise rejection- Power supply regulators- Digital logic inputs- Microprocessor inputs- General Purpose Switching Circuits- Interfacing and coupling systems of different potentials and impedances- Regulation Feedback Circuits- Monitor & Detection Circuits- Solid State RelaysCore Benefits- Provides essential electrical isolation between input and output- Protects sensitive circuits from potentially damaging high voltages and noise- Enables efficient signal transfer between circuits operating at different voltage levels- Offers exceptional reliability and an extended operational life- RoHS compliant Number of Channels: 1Isolation Voltage: 5000 Vrms (5 kV)Collector-Emitter Voltage (Vceo): 30 VCollector-Base Voltage: 70 VEmitter-Base Voltage: 7 VInput Diode Forward Current (Continuous): 60 mAInput Diode Forward Current (Peak, 1 µs, 300 pps): 3 AInput Diode Reverse Voltage: 6 VPhototransistor Continuous Collector Current: 100 mAInfrared-Emitting Diode Power Dissipation: 100 mWPhototransistor Power Dissipation: 500 mWOperating Temperature Range: -55°C to 100°CStorage Temperature Range: -55°C to 150°CTurn-On Time (Typ): 10 µsTurn-Off Time (Typ): 10 µsInput-Output Coupling Capacitance: CTR@If: 100%@10mA 4N37-1771358.pdfDownload
