5962-8981002KYC

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Optoisolators, or opto-couplers, act as electrical isolation barriers between two circuits. They provide electrical isolation by using a light-emitting diode (LED) to transfer signals across the gap. Electrical signals from the input side of the opto-coupler are converted to light and then back to electrical signals on the output side. This process creates electrical insulation between the two circuits.

The 5962-8981002KYC opto-isolator is part of the KMC35S series of opto-isolators that uses a transistor and photovoltaic output. This opto-isolator features a high common-mode noise immunity with a guaranteed minimum CMR of 10 kV/µs, a wide operating temperature range of -40 to +105ºC, and is rated for continuous current of up to 5 mA. The product is suitable for low voltages, making it an ideal choice for isolated power supplies, and is UL recognized.

The 5962-8981002KYC opto-isolator consists of an infra-red emitting diode, photovoltaic cell, and NPN transistor. The input side of the optocouper is connected to the circuit, and when the input circuit is in alarm or switching mode, the LED turns on and emits infra-red light. This light is received by the photovoltaic cell which, in turn, supplies proper voltage to the collector of the transistor for switching the output circuit. The output side of the optocouper is connected to the other side of the circuit, and its switching state is the same as the input side.

The operation of the 5962-8981002KYC optoisolator can be described in the following four steps:

• The input signal is received by the LED, which in turn emits infra-red light.
• The photovoltaic cell receives the light and supplies the proper voltage to the collector of the NPN transistor.
• The collector current of the transistor turns on the output, which in turn switches the output circuit.
• The output side of the opto-coupler has the same switching state as the input.

The 5962-8981002KYC optoisolator is an ideal choice for applications requiring electrical isolation. It is a reliable and cost-effective way to provide the necessary protection to circuits and equipment. Moreover, the opto-isolator has a wide operating temperature range, a high common-mode noise immunity, and is UL recognized, making it a good choice for low-voltage applications.

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