SK24ATR Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	40V
Current - Average Rectified (Io):	--
Voltage - Forward (Vf) (Max) @ If:	500mV @ 2A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	1mA @ 40V
Capacitance @ Vr, F:	250pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	SMA (DO-214AC)
Operating Temperature - Junction:	-55°C ~ 125°C

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Introduction
SK24ATR can be classified as a diode,rectifier and a single. It is used as a current-limiting diode or clamping diode, and when used as such, it performs the same function as a normal diode but with an advantage of making its reverse voltage drop much lower than a regular diode. This article will be discussing the application field and working principle of the device.
Application Field
The most common application of the SK24ATR is in the protection of current sinks, or emitter followers in bipolar junction transistors (BJT’s). It is used to limit the amount of current that can flow through the device, thus protecting the device from over-current damage. This feature makes it ideal for use in situations where high current levels need to be limited and/or diverted away from sensitive components. It can also be used as a clamping device, meaning that it can be used to regulate and limit the voltage levels of a circuit by clamping any voltage levels that exceed a certain threshold. This can be useful in situations where high voltages are present which could cause damage to sensitive components. In addition to this, the SK24ATR can be used in switching applications where a fast switching diode is needed, such as in the protection of switch controllers and other applications that require fast switching.Working Principle
The SK24ATR is designed to operate with a reverse voltage of between 1V and 20V. When this voltage is exceeded, the diode will ‘clamp’ the voltage and limit the current through the diode to a certain level. This is done by reducing the resistance of the diode, making it easier for the current to flow through it.The device also has a low reverse voltage drop on its side of the junction and therefore is able to provide a very fast clamping action, which is especially useful in fast switching applications. This is also why it is able to provide such a low current limiting threshold, as it is able to clamp the voltage very quickly.The SK24ATR can also be used as a current source as it has a relatively low forward voltage drop. This, combined with its current limiting capabilities, means that it can be used to provide a relatively constant current source to a circuit. This is useful in situations where a constant current source is needed, such as in the powering of LED’s.To summarise, the SK24ATR is a versatile device and can be used for a variety of applications. It is able to provide current limiting and clamping, and can also be used as a current source. This makes it ideal for a wide range of applications, and makes it a popular choice for use in many electronic circuits.

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