Vishay DC Input Surface Mount 4-Pin Mini-Flat Optocoupler TCMT1109

Vishay TCMT1109 is a single-channel optocoupler designed for DC input applications utilizing a surface mount 4-pin mini-flat package. It comprises a phototransistor optically coupled to an infrared emitting diode, offering electrical isolation between input and output circuits. The package supports reliable operation in harsh industrial environments due to its wide temperature tolerance from -40°C to 100°C.

This optocoupler features a low maximum forward voltage of 1.6V and supports input currents up to 60 mA, making it suitable for low-power signal isolation. Its fast typical rise and fall times of 3μs and 4.7μs respectively enable quick signal transitions necessary for many control and communication systems.

The device provides high isolation voltage rating at 3750 VRMS, ensuring safety and reducing interference risks in industrial, manufacturing, laboratory, and automation equipment. The current transfer ratio (CTR) is grouped between 200% and 400% with low temperature sensitivity, adding consistency in performance across a wide ambient temperature range.

Beyond basic optocoupling, this product meets stringent safety and regulatory standards including UL1577, CSA 22.2 bulletin 5A, VDE 0884-5, and multiple EN norms, underlining its suitability for use in commercial and industrial electronic control systems.

Typical applications for the Vishay TCMT1109 include programmable logic controllers, modems, answering machines, signal isolation in communication circuits, and other general purpose optoelectronic circuits requiring reliable electrical isolation.

Features a single-channel phototransistor output for precise switching applications. Surface mount package type ensures easy integration on PCBs. Maximum forward voltage of 1.6 volts for low-power operation. Built for a wide operating temperature range of -40°C to 100°C.

Supports maximum input current of 60 mA and isolation voltage of 3750 VRMS. Typical rise time is 3 microseconds and typical fall time is 4.7 microseconds, supporting fast switching. Current transfer ratio ranges between 200% and 400% ensuring signal reliability.

Compliance with multiple industry standards including UL1577, CSA, VDE, and BS EN for safety and performance. Explore more electronics components and Optocouplers available in EnvMart’s comprehensive catalog for diverse industrial and commercial applications.