4N39 optocoupler isolator chip

Description: The 4N39 is an optocoupler isolator chip designed to provide high voltage electrical isolation and signal transfer in electronic circuits. It consists of a gallium arsenide infrared LED and a silicon NPN phototransistor housed in a 6-pin DIP package. The 4N39 is ideal for applications that require high isolation voltage and reliable signal transmission, such as interfacing between different logic levels and protecting sensitive components from high voltage transients. Key Features:

• High voltage isolation: 5000 Vrms
• Phototransistor output
• Wide operating temperature range
• High current transfer ratio (CTR)
• Low input current requirement
• Compatible with various logic families
• Available in a 6-pin DIP package

Technical Specifications:

• Package Type: 6-pin DIP
• Isolation Voltage: 5000 Vrms
• Forward Voltage (V_F): 1.2V (typical) at 20mA
• Reverse Voltage (V_R): 5V
• Forward Current (I_F): 60mA (maximum)
• Collector-Emitter Voltage (V_CEO): 30V
• Emitter-Collector Voltage (V_ECO): 7V
• Collector Current (I_C): 50mA (maximum)
• Current Transfer Ratio (CTR): 20% to 300% at I_F = 10mA, V_CE = 5V
• Isolation Resistance: 10^11 Ω (minimum)
• Operating Temperature Range (T_A): -55°C to +100°C

Applications:

• Signal isolation in data communication
• Microcontroller interfacing
• Power supply regulation
• Motor control circuits
• Industrial automation
• Switching power supplies

Datasheet: For detailed technical information, refer to the 4N39 datasheet.