4N35 General Purpose Optocoupler Phototransistor 7V 80mA IC DIP-6

Description

4N35 General Purpose Optocoupler Phototransistor 7V 80mA IC DIP-6 The 4N35 Optocoupler is a general-purpose opto-isolator that combines an infrared LED and a phototransistor in a single 6-pin DIP package. By transferring signals optically instead of electrically, it effectively isolates input and output sections, helping protect sensitive electronics from voltage spikes, ground loops, and electrical noise. This component is commonly used in digital interfaces, microcontroller inputs, and power control circuits where signal integrity and safety are critical. Its simple operating principle, reliable performance, and long-standing industry adoption make the 4N35 a trusted choice for hobbyists, students, and professional engineers alike. Features: Provides electrical isolation between input and output. Infrared LED coupled with phototransistor output. Suitable for logic level signal interfacing. Reduces noise and ground loop problems. Compatible with microcontrollers and digital circuits. Through-hole package for easy PCB mounting. Reliable and widely supported industry standard. Specifications: Parameter Value Input Type Infrared LED Output Type Phototransistor Isolation Voltage 5000 Vrms Package Type DIP-6 Operating Temperature Range -55°C to +110°C Current Transfer Ratio (CTR) ≥ 100% Collector-Emitter Voltage 80V Forward Current (LED) Up to 60mA Pinout: Pin No. Pin Name Description 1 Anode LED anode 2 Cathode LED cathode 3 NC Not connected 4 Emitter Phototransistor emitter 5 Collector Phototransistor collector 6 Base Phototransistor base Footprint: Applications: Microcontroller input isolation. Digital logic signal isolation. Power supply feedback circuits. Relay and TRIAC driver circuits. Industrial control interfaces. Noise-sensitive signal transmission. Packages: 1x 4N35 General Purpose Optocoupler Phototransistor 7V 80mA IC DIP-6. Documents: 4N35 Datasheet.

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