4N35 (Dip-6) Photo Transistor IC - Optocoupler [Original]

4N35 Optocoupler Phototransistor IC (DIP-6 Package)

The 4N35 is a popular optocoupler IC, integrating an infrared LED and a phototransistor in a compact 6-pin DIP package. It's specifically designed to provide robust electrical isolation between input and output circuits. This crucial feature protects sensitive components from damaging voltage spikes and electrical noise. Consequently, the 4N35 is an ideal choice for signal isolation, microcontroller interfacing, and various switching applications. Engineers value its fast response time, excellent stability, and long operational life. Its through-hole design ensures easy integration into standard PCBs and breadboards, making it a versatile component for both industrial and consumer electronic designs.

Specifications:

• Type: Optocoupler / Phototransistor
• Package: DIP-6 (Through-Hole)
• Input LED Forward Voltage (Vf): 1.2V (typical)
• Collector-Emitter Voltage (Vce): 30V
• Current Transfer Ratio (CTR): 100% (typical)
• Isolation Voltage: 5000 Vrms
• Collector Current (Ic): 50mA max
• Response Time: 3µs (typical)
• Operating Temperature: -55°C to +100°C

Key features and benefits:

• Provides reliable electrical isolation up to 5000 Vrms
• Combines an infrared LED and a phototransistor for efficient signal transfer
• Standard 6-pin DIP (Through-Hole) package for easy integration
• Fast response time of 3µs (typical) for quick switching
• High Current Transfer Ratio (CTR) of 100% (typical) for flexible designs
• Protects sensitive circuits from voltage spikes and noise
• Offers excellent stability and long operational life
• Wide operating temperature range from -55°C to +100°C

Applications:

• Microcontroller and logic level interfacing
• Power supply feedback and monitoring systems
• Critical signal isolation and noise suppression
• Efficient Triac and transistor triggering
• Industrial control and automation circuits

Package Includes:

*Image shown is a representation only.

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