The TIL197ASMT&R is a high-isolation voltage surface-mount optocoupler manufactured by Isocom Components 2004 LTD. It features a gallium arsenide (GaAs) infrared emitting diode (IRED) optically coupled to a silicon phototransistor detector with enhanced performance characteristics. This design provides electrical isolation between the input and output circuits, making it suitable for applications requiring high isolation voltage, high current transfer ratio (CTR), and reliable signal transfer in a compact surface-mount package designed for automated assembly.

Applications

• Surface Mount Industrial Control Systems: Isolating control signals in PLCs, motor drives, and other SMT-based industrial automation systems, requiring high CTR.
• SMT Power Supplies: Providing isolation between the primary and secondary sides of surface mount power supplies where faster switching speeds or efficient signal feedback is necessary.
• Data Communication: Ensuring electrical isolation in surface-mount data transmission lines to prevent ground loops and noise, particularly in high-speed communication applications.
• Medical Devices: Isolating sensitive patient monitoring and diagnostic equipment for safety in surface mount medical devices.
• Test and Measurement Equipment: Protecting measurement instruments from high voltage and transients in SMT-based instruments, benefiting from the enhanced CTR.

Features

• High Isolation Voltage: Offers a high isolation voltage capability, typically up to 5 kVAC or higher, ensuring robust electrical isolation.
• Surface Mount Package: Designed for automated assembly processes, reducing manufacturing costs and improving reliability.
• High Current Transfer Ratio (CTR): Provides a higher CTR compared to standard optocouplers, enabling more efficient signal transfer.
• Wide Operating Temperature Range: Suitable for use in harsh industrial environments.
• Safety Certifications: Meets various international safety standards, including UL, VDE, and CSA.
• RoHS Compliance: Compliant with the Restriction of Hazardous Substances directive, ensuring environmental friendliness.

Benefits

• Enhanced Safety: Provides a high level of electrical isolation to protect personnel and equipment.
• Improved Signal Integrity: Prevents ground loops and noise from interfering with signal transmission.
• Increased System Reliability: Reduces the risk of damage from voltage transients and surges.
• Simplified Assembly: Surface mount package facilitates automated assembly and reduces manufacturing time.
• Reduced Component Count: Combines isolation and signal transfer functions into a single device.
• Improved Performance: Higher CTR allows for faster switching speeds and more efficient signal transmission.

Additional Details

The TIL197ASMT&R is optimized for applications requiring high performance and reliability in surface mount designs. The "A" suffix indicates a higher CTR compared to the standard TIL197 series. The &R suffix indicates that the device is supplied on tape and reel for automated pick-and-place assembly.

Key electrical characteristics include:

• Forward current (IF): Typically 10-20 mA
• Collector-emitter voltage (VCEO): 30-80 V
• Isolation voltage (VISO): 5000 VAC or higher
• Higher Current Transfer Ratio (CTR) compared to standard TIL197

The optocoupler's design ensures galvanic isolation between the input and output circuits, providing robust protection against high voltages and ground loops. Its surface mount package enables efficient assembly and reduces board space. The higher CTR improves signal transfer efficiency and allows for faster switching speeds. The TIL197ASMT&R is a reliable and high-performance solution for isolating signals in demanding surface-mount applications where high isolation and efficient signal transfer are critical.