VS-18TQ045STRLPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	45V
Current - Average Rectified (Io):	18A
Voltage - Forward (Vf) (Max) @ If:	600mV @ 18A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	2.5mA @ 45V
Capacitance @ Vr, F:	1400pF @ 5V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:	D2PAK
Operating Temperature - Junction:	-55°C ~ 175°C
Base Part Number:	18TQ045

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Introduction to the VS-18TQ045STRLPBF

The VS-18TQ045STRLPBF is an ultra-fast, single-phase rectifier diode designed for applications requiring high current, such as high-speed switching, rectification, and other power conversion applications. It is a 45V, 18A diode manufactured by Vishay Semiconductors, a world leading manufacturer of diode components.

Applications of the VS-18TQ045STRLPBF

The VS-18TQ045STRLPBF is suitable for a variety of applications, primarily those that require high current. This includes converters, rectifiers, battery chargers, power supplies, and more. It can also be used in harsher environments, as it has an operating temperature range of -55 to 175°C, and is rated for a 500V surge rating. The low turn off and switching times of the diode make it the ideal choice for high-speed switching applications, such as those found in motor control circuits.

Working Principle of the VS-18TQ045STRLPBF

The VS-18TQ045STRLPBF is a standard rectifier diode with a common PN junction. This PN junction is formed by two doped semiconductor materials, such as silicon, arranged in a reverse direction. When a positive current is applied to the anode of the diode, it is able to pass through and cause a free flow of electrons and electrical charge to flow from the anode to the cathode; which is known as forward biasing.If a negative current is applied to the anode, the diode becomes reverse biased and the flow of electrons and electrical charge is blocked. This allows the diode to function as a rectifier, by only allowing the current to flow in one direction in the circuit, and blocking the current in the other direction. The blocking voltage of the diode, or the maximum voltage it can block, is known as the peak inverse voltage or PIV. The VS-18TQ045STRLPBF has a PIV of 45V.

Conclusion

The VS-18TQ045STRLPBF is an ultra-fast, single-phase rectifier diode designed to provide high current applications with optimal performance. It is suitable for a variety of applications that require rectification, as well as high-speed switching. The working principle of this diode is based on the simple PN junction formed between two doped semiconductor materials, allowing the current to flow in one direction only and blocking any current flowing in the opposite direction. The PIV rating of the VS-18TQ045STRLPBF is 45V.

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