18TQ045S

Series:	--
Packaging:	Tube
Part Status:	Obsolete
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:	--
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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18TQ045S Application Field and Working Principle

Introduction to 18TQ045S

The 18TQ045S, which belongs to the rectifier diodes family, is specially constructed with an avalanche characteristic and it consists of a ceramic PN-junction. It is fabricated using the advanced planar N-epitaxy technology and its device is encapsulated in a plastic package with a built-in guard frame. The 18TQ045S is commonly used in various rectifier applications with a surge current capability of 45A.

Application Field of 18TQ045S

The primary use of the 18TQ045S is to serve as an efficient power signal rectifier and it can be deployed in a wide array of applications such as isolated DC/DC converters, DC motors, power supplies, lighting circuit, automotive and many more. Due to its wide variety of uses, 18TQ045S can be found in multiple industries including automotive, renewable energy, medical, and aerospace engineering.

Features of 18TQ045S

The 18TQ045S rectifier diode provides multiple advantages to the users. It comes with very low forward voltage drop that enhances its power efficiency. It also offers low leakage current and fast efficient power switching with surge rating capability. Thanks to its feature of avalanche voltage breakdown, users can rely on the 18TQ045S to provide reliable operation up to 200V. Its superb thermal performance allows the rectifier diode to withstand a higher temperature range from -55°C to +175°C.The 18TQ045S rectifier diode also provides the user with good voltage spike suppression and reverse voltage protection. It maintains very minimum EMI its input current. Due to its small and compact form factor, users can expect easy assembly as well as minimize space constraint in their applications.

Working Principle of 18TQ045S

The 18TQ045S rectifier works on the principle of a PN junction. Its basic electric field consists of a high-voltage anode and a low-voltage cathode which when combined produces a one-way directional current path. The 18TQ045S works as a regular diode in forward bias and in reverse bias, it supports to handle large surges and allows a minute amount of current to flow.The rectifier diode is used for controlling electrical currents in an AC circuit by converting it into a DC circuit. It also protects sensitive components from power spikes during the surge of current that could otherwise cause short circuits or damage sensitive electronics.

Conclusion

The 18TQ045S rectifier diode is a great tool for controlling regular voltage circuits and converting AC to DC current. With its effective surge capabilities and excellent reverse voltage protection, users can be assured of its reliable operation and superior thermal performance. This makes the 18TQ045S the ideal solution for multiple industries such as automotive, renewable energy, and aerospace engineering.

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