Vishay DC Input 4-Channel Optocoupler, Surface Mount, 16-Pin Mini-Flat Package TCMT4100

Vishay TCMT4100 is a DC input 4-channel optocoupler designed for industrial and electronic applications requiring high isolation and reliable signal transfer. It features a surface mount 16-pin mini-flat package that is low profile and ideal for dense PCB assemblies.

This device consists of phototransistor outputs optically coupled to gallium arsenide infrared-emitting diodes, providing excellent electrical isolation with an AC isolation test voltage of 3750 VRMS. The isolation prevents high voltages from affecting the low voltage side of systems, enhancing safety and noise immunity.

The optocoupler operates effectively with a maximum forward voltage of 1.6V and a maximum input current of 60mA. Its fast switching characteristics are demonstrated by typical rise and fall times of 3μs and 4.7μs respectively, making it suitable for moderate speed digital signal isolation.

With a broad ambient temperature range from -40°C to 100°C, the TCMT4100 is suited for harsh industrial environments, programmable logic controllers, modems, answering machines, and general signal isolation applications.

Low coupling capacitance (0.3 pF typical) ensures minimal crosstalk and signal distortion. The current transfer ratios (CTR) are grouped to deliver reliable and consistent performance across batches.

Four isolated input channels in a single package. Surface mount mini-flat 16-pin package for space-efficient layouts. 3750 VRMS isolation protects host circuits from voltage transients. Fast response times aid in digital signal integrity.

Wide operating temperature suitable for industrial use. Certified to international safety standards including cUL and VDE. Low coupling capacitance reduces noise interference. Grouped CTR ratings for quality assurance.

The TCMT4100 series offers a dependable optocoupler solution for demanding electronic isolation requirements in industrial automation, telecommunications, and instrumentation fields. Its combination of mechanical compactness, electrical performance, and recognized safety approvals makes it an excellent choice for enhancing system reliability.

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