TISP4125F3LMR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	125V
Voltage - Off State:	100V
Voltage - On State:	3V
Current - Peak Pulse (8/20µs):	120A
Current - Peak Pulse (10/1000µs):	35A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	43pF
Mounting Type:	Through Hole
Package / Case:	TO-226-2, TO-92-2 (TO-226AC)

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TISP4125F3LMR application field and working principle

Thyristors, or silicon controlled rectifiers (SCRs), are three-layer devices mainly used for controlling electrical energy. The TISP4125F3LMR, a user-friendly thyristor device, has been designed for a variety of applications, with high voltage load switching ability being one of the most common applications.The TISP4125F3LMR is a bidirectional thyristor capable of switching maximum peak inverse voltage (PIV) up to 21a and on-state current up to 150A. It introduces a number of features such as overvoltage protection, low on-state voltage drop, and low on-state current. This is a major advantage in the market to achieve better performance and energy efficiency. The device can also be used for load switching in medium and high voltage applications such as motor control, welding, railway signaling, etc.The working principle of a thyristor mainly involves three stages, namely the Forward Blocking (FB) mode, Conduction (CON) mode, and Reverse Blocking (RB) mode. In the FB mode, a significant amount of voltage is applied across the device, either from the anode to the cathode or vice versa. The voltage is applied until it reaches a certain value, known as the threshold voltage, which is when the device starts to conduct current. In the CON mode, the device allows the current to flow in a limited direction. The RB mode is when the device has switched back to the OFF state, and the current is prevented from flowing in the opposite direction.The TISP4125F3LMR is equipped with an overvoltage protection mechanism which ensures that the device is not damaged when the voltage across the device exceeds the rated value. The device also has a fast switching time, which minimizes the switching losses and helps in achieving superior system performance.In conclusion, the TISP4125F3LMR is a user-friendly Thyristor device for a variety of applications, with its features such as high PIV, low on-state voltage drop, fast switching time, and overvoltage protection making it a popular choice for high voltage load switching applications. The three main stages of working - FB, CON and RB – ensure that the device operates efficiently and effectively in the desired application.

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