TIL112 Optocoupler with Transistor Output 20V 2mA DIP-6

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TIL112 Optocoupler with Transistor Output 20V 2mA DIP-6 The TIL112 optocoupler is an optical isolator that transfers electrical signals between two isolated circuits using light. It integrates an infrared LED on the input side and a phototransistor on the output side inside a compact 6-pin DIP package. When current flows through the input LED, it emits light that activates the phototransistor, allowing signal transmission without any direct electrical connection. This design protects sensitive components from voltage spikes, ground loops, and electrical noise. Designed for reliable switching and signal isolation, the TIL112 is widely used in microcontroller interfaces, industrial control systems, and power electronics. Its high isolation voltage and stable performance make it suitable for applications requiring safe separation between logic-level circuits and high-power or high-voltage environments. The through-hole DIP package allows easy integration into prototypes and PCB assemblies. Features: Optical isolation between input and output. Phototransistor output (transistor-type optocoupler). Through-hole 6-pin DIP package for easy mounting. Low input drive requirements. Compatible with TTL/CMOS logic levels. Long operational lifetime and solid-state reliability. Resilient to noisy electrical environments. Specifications: Parameter Value/Rating Absolute Maximum Ratings (Ta=25°C) Input-to-Output Voltage ±1.5 kV Collector-Base Voltage 30 V Collector-Emitter Voltage 20 V Emitter-Collector Voltage 4 V Emitter-Base Voltage 4 V Input Diode Reverse Voltage 3 V Input Diode Continuous Forward Current 60 mA LED Power Dissipation 100 mW Phototransistor Power Dissipation 150 mW Storage Temperature Range -55°C to 150°C Lead Soldering Temperature (10 sec) 240°C Electrical Characteristics (Ta=25°C) Collector-Breakdown Voltage (BVCBO) 30 V (Min) Collector-Emitter Breakdown Voltage (BVCEO) 20 V (Min) Emitter-Base Breakdown Voltage (BVEBO) 4 V (Min) On-State Collector Current (Phototransistor) 0.2 mA (Min), 2.0 mA (Typ) Off-State Collector Current (Phototransistor) 100 nA (Max) Input Diode Static Forward Voltage 1.2 V (Typ), 1.5 V (Max) Collector-Emitter Saturation Voltage 0.5 V (Max) Input-to-Output Capacitance 1 pF (Typ) Switching Characteristics (Ta=25°C) Rise Time (tr) 2 μs (Typ), 15 μs (Max) Fall Time (tf) 2 μs (Typ), 15 μs (Max) Pinout: Pin Name Description 1 Anode Input LED Anode 2 Cathode Input LED Cathode 3 NC Not Connected 4 Emitter Phototransistor Emitter 5 Collector Phototransistor Collector 6 Base Phototransistor Base (optional) Footprint: Applications: Signal isolation between microcontrollers and high-voltage or noisy circuits. Feedback isolation in switching power supplies. Driving relays, TRIACs, and other power devices from logic-level outputs. Industrial automation and PLC interfaces. Protection of communication lines from surges and ground loops. Audio/video and measurement equipment isolation. Packages: 1x TIL112 Optocoupler with Transistor Output 20V 2mA DIP-6. Documents: TIL112 Datasheet.