VS-50TPS12LHM3 Discrete Semiconductor Products

Current - On State (It (RMS)) (Max):	79A
Supplier Device Package:	TO-247AD
Package / Case:	TO-247-3
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TJ)
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	630A @ 50Hz
Current - Off State (Max):	50µA
Current - Hold (Ih) (Max):	300mA
Series:	Automotive, AEC-Q101
Current - On State (It (AV)) (Max):	50A
Voltage - On State (Vtm) (Max):	1.6V
Current - Gate Trigger (Igt) (Max):	100mA
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Voltage - Off State:	1.2kV
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Thyristors, also referred to as silicon-controlled rectifiers (SCRs), are a type of power semiconductor device that acts as a switch that controls the flow of electrical current. The VS-50TPS12LHM3 is a high power thyristor with a current rating of 50A and a voltage ratings of 1200V. It is used in a variety of applications, and this paper will discuss the application fields and working principle of the VS-50TPS12LHM3.

Application Fields

The VS-50TPS12LHM3 is used in a variety of applications, including motor control, electronic load control, and welding power supplies. In motor control applications, the thyristor is used to control the flow of electricity to motors, allowing them to start and stop smoothly. In electronic load control applications, the thyristor is used to control the flow of electricity to digital loads, such as printers and copiers. In welding power supplies, the thyristor is used to regulate the power supply to ensure optimal welding conditions.

Working Principle

The VS-50TPS12LHM3 is a three-terminal, single-phase thyristor that operates with a small amount of voltage applied to its gate terminal. When the gate voltage exceeds a threshold level, the thyristor is triggered and begins to conduct current. The thyristor remains in a conducting state until the current flowing through it reaches a specified level, at which point it will turn off.

The thyristor is an effective means of controlling power in a circuit, and is particularly useful for applications that require fast switching. The drawback to using thyristors is that they typically require the use of bulky, expensive power converters. However, when compared to other forms of power control, the cost and complexity of power converters for thyristor applications is relatively low.

Conclusion

The VS-50TPS12LHM3 is a high power thyristor with a current rating of 50A and a voltage ratings of 1200V. It is used in a variety of applications, including motor control, electronic load control, and welding power supplies. The thyristor operates by applying a small amount of voltage to its gate terminal, at which point it will begin to conduct current until the current reaching a specified level, at which point the thyristor will turn off. The thyristor is an effective means of controlling power in a circuit, and is particularly useful for applications that require fast switching.

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