ELT3021M-V

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The ELT3021M-V is an optoisolator of the Triac, SCR Output type and can be used in a range of applications. The device consists of an isolated 8-pins DIP package that can be directly installed onto a printed circuit board. The ELT3021M-V opto-isolator is designed to act as a cooling and temperature control device for use in heating, ventilation, and air conditioning (HVAC) systems. It is also used for various other applications such as motor speed control, signal isolation and power control in industrial machines.

The ELT3021M-V opto-isolators feature a silicon-controlled rectifier (SCR) opto-coupler that provides full electrical isolation between an input power supply and an output device. This device uses a photo-transistor to couple the electric current to the output circuit. It increases the current output of the photo-transistor by rectifying the electric current to provide a higher output current.

The working principle of the ELT3021M-V is straightforward. When a voltage is applied to the triac, it sends an electrical signal to the photo-transistor. This electrical signal triggers the photo-transistor, which in turn converts the electric current into a high-current output. This output can then be used to control a variety of electrical loads such as motors, LEDs, solid state relays, and more.

The main benefit of using the ELT3021M-V opto-isolators is that it can reduce the risk of electrical shocks due to the isolator providing full electrical isolation between the input and output circuits. The insulation prevents the electric current from being transferred back and forth, making it a safe and efficient device. These opto-isolators also provide reliable and smooth operation in hazardous conditions, such as those encountered in industrial settings.

The ELT3021M-V opto-isolator has a wide operating temperature range of -40°C to 85°C, which means it can withstand harsh and extreme environments. The device is also RoHS compliant and has a high insulation resistance of up to 250V at 50Hz. The output current is rated at 100mA, with a forward voltage of 1.5V at 20mA.

In summary, the ELT3021M-V opto-isolator is a reliable and cost-effective device that can be used in a wide range of applications. It is designed to provide full electrical isolation between the input and output circuits. It also features a high insulation resistance and wide operating temperature range, making it suitable for use in extreme environments. The device\'s output current is rated at 100mA and the forward voltage is 1.5V at 20mA, making it an ideal device for motor speed control, signal isolation, and power control.

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