RS1PGHM3/84A

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Diodes are widely used in electrical circuits for their properties of “rectification,” or converting alternating current (AC) voltage to direct current (DC) voltage. The RS1PGHM3/84A is a single-contact, three-phase diode rectifier of the pulsed-gated type. Compared to standard rectifiers, it provides faster turn-on times due to its pulse-gated design. It is also capable of withstanding high transient voltages.

The application fields for RS1PGHM3/84A rectifiers include motor-driver circuits, industrial automation equipment, LED lighting, and incorporated systems. This rectifier is ideal for use in circuits that require high surge current capability, such as those involved in welding, where the peak surge current must be much higher than steady-state currents to produce adequate welds.

The RS1PGHM3/84A diode is comprised of three independent semiconductor cells, each rated at a DC block voltage of 800V and a heater current of 8A. Each cell is connected in parallel and is capable of delivering a peak current of up to 84A. The device is sold in a dual-in-line package (DIP), making it easy to incorporate it into standard circuit boards.

Working Principle: The RS1PGHM3/84A rectifier is designed to function using a pulsed-gated principle. This type of diode works differently from standard rectifiers in that it does not require a large heat sink to dissipate energy, allowing for a small footprint. When the device is turned on, the gate turns on the corresponding semiconductor cell. This creates a “virtual ground” for the device, allowing for the diode to draw current.

The voltage drop across the diode can be controlled by varying the current through the gate. This is done by controlling the on/off times of the gate and the voltage applied to the devices gate pin. This results in the ability to produce variable voltage drops while minimizing power loss. In addition, the device is also capable of providing soft start and over-voltage protection.

The RS1PGHM3/84A is a versatile and efficient diode rectifier suitable for a variety of applications. It provides an ideal solution for motor-driver circuits, LED lighting, and other circuits that require high peak current capability. The device’s pulsed-gated design allows for enhanced efficiency, allowing for high current with minimal power loss.

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