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

The 4N35 is a widely-used optocoupler designed to provide electrical isolation between input and output stages. It features an infrared LED optically coupled to an NPN phototransistor in a compact 6-pin Dual In-Line Package (DIP). Ideal for isolating low-voltage control circuits from high-voltage signals, the 4N35 is commonly used in microcontroller interfaces, switching circuits, and power electronics.

Key Features & Benefits:

• Effective Isolation: Helps protect sensitive circuits from high-voltage spikes

• Integrated LED & Phototransistor: Ensures reliable and efficient signal transmission

• Standard DIP Package: Compatible with through-hole PCBs and breadboards

• Wide CTR Range: Flexible for different logic and interface designs

• Reliable Performance: Proven solution for industrial and consumer applications

Specifications:

• Brand: [Your Brand or Manufacturer]

• Model: 4N35

• Package Type: DIP-6

• Input: Infrared LED

• Output: NPN Phototransistor

• Isolation Voltage: 5,300 Vrms (typical)

• CTR (Current Transfer Ratio): 100% (typical at IF = 10mA, VCE = 5V)

• Operating Temperature: -55°C to +100°C

Applications:

• Signal isolation in microcontroller and logic circuits

• Power supply feedback systems

• Switching and control systems

• Relay driving and interfacing

• Industrial automation and instrumentation