VS-VSKT142/08PBF Discrete Semiconductor Products

Current - On State (It (AV)) (Max):	140A
Package / Case:	INT-A-Pak
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	4500A, 4712A
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - On State (It (RMS)) (Max):	310A
Series:	--
Voltage - Off State:	800V
Number of SCRs, Diodes:	2 SCRs
Structure:	Series Connection - All SCRs
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Thyristors - SCRs - Modules

A VS-VSKT142/08PBF is one form of thyristors, and it belongs to the family of semiconductor devices known as silicon controlled rectifiers (SCR). It is a module type thyristor device that is well suited to a wide range of applications. At its most basic definition, a thyristor is a type of semiconductor device that can only be electrically turned on through the use of an externally applied voltage. It then remains turned on until either the voltage is removed or until its on state is interrupted via short circuit protection. An SCR is a form of athyristor that is designed to provide a semiconductor switch with stable power control. It is often used in power electronics designs, such as in AC power control or in the control of DC motor speed.The VS-VSKT142/08PBF is a four-pin module type thyristor that has a maximum blocking voltage rating of 1400 volts and a current rating of 8 amp. It includes an internal heat sink and is constructed from package material UL94 V-0. It should be noted that the stated ratings may require derating for higher temperature operation. It has a maximum ambient temperature of 125°C and has a response time of 10 usec. The VS-VSKT142/08PBF is commonly used in applications pertaining to power control or AC power control. It has a forward voltage drop of 1.3 volts at a full load current of 8 amp. It is well suited to high-power applications and can be used in two-quadrant switching of current. It is also used in consumer electronics, e.g. in power supplies, switched mode power supplies, and AC adapters.In terms of its working principle, the VS-VSKT142/08PBF relies on an external gate current that is applied to turn it on and off. When voltage is applied to the gate, it causes the thyristor to become electrically conductive and it will then remain conductive as long as current passes through it. The gate then remains closed until the current is removed, at which time it will switch to an off-state again and the device will no longer be in a conductive state.In order for the gate to switch back to an off-state, the current has to be removed from the gate. This can be done by applying a negative gate pulse to the gate which will cause the current to flow backwards and thus remove the current from the gate. Alternatively, the device can be switched off by means of a short circuit protection mechanism that is designed to protect the VS-VSKT142/08PBF from accidental or unwanted overloads.Overall, the VS-VSKT142/08PBF is a very versatile module type thyristor that is well suited to a wide variety of applications. It has a number of features that make it well suited to high-power applications, and it is typically easy to use and reliable in performance. It is also relatively inexpensive and easy to obtain, making it a popular and widely used device.

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