TT251N16KOFKHPSA1

Series:	--
Packaging:	Bulk
Part Status:	Active
Structure:	Series Connection - All SCRs
Number of SCRs, Diodes:	2 SCRs
Voltage - Off State:	1.6kV
Current - On State (It (AV)) (Max):	250A
Voltage - Gate Trigger (Vgt) (Max):	2V
Current - Gate Trigger (Igt) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	9100A @ 50Hz
Current - Hold (Ih) (Max):	300mA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Chassis Mount
Package / Case:	Module

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Thyristors - SCRs - Modules: TT251N16KOFKHPSA1 Application Field and Working Principle

Thyristors, also known as Silicon Controlled Rectifiers (SCRs), are components of a type of solid-state switching device. Designed and manufactured in various forms, they act as a digital form of semiconductor static switches, generally controlling power to electrical systems. Thyristors in modules are a convenient and reliable way to switch on or off high voltage or current in specific applications. One such thyristor module is the TT251N16KOFKHPSA1. This article discusses the application field and working principle of the TT251N16KOFKHPSA1.The TT251N16KOFKHPSA1 is a thyristor module made up of three individual semiconductor components. It is mainly applied in applications which require high voltage or current control and where power electricity needs to be switched quickly and accurately with little or no heat loss. Its application fields include pulse shaping, pulse generation, pulse loading, high-speed rectifier, power switching, motor control and low-level switching.In terms of its working principle, the TT251N16KOFKHPSA1 is a three-phase thyristor phase control module, designed to handle high power applications of up to 16kW. It is an integrated module, containing a Thyristor, a diode and an electrolytic capacitor. When an appropriate trigger is applied to the gate of the thyristor, the capacitor charges up and then discharges, providing a current that passes through the thyristor. This current then flows out of the anode and into the negative terminal, and the thyristor controls the amount of current that passes through it.The working of the TT251N16KOFKHPSA1 module is based on the principle of full bridge rectification. Through the application of an activating voltage to the gate (or another of the thyristor’s control terminals), one of the thyristor arms switches on. Once the thyristor is turned on, it “locks” and continues to maintain the current flow. When the current flow is stopped, the thyristor automatically turns off, so that the current flow is kept within a safe range. The two other thyristor arms are designed to act as back-up protection or redundancy in the event of failure of the first thyristor.The TT251N16KOFKHPSA1 module is also designed with built-in output voltage feedback circuitry, providing a means for externally varying the output voltage. This feature can be used for fast and accurate voltage control in applications such as motor speed control, current control, pulse width modulation and other applications.In addition to its impressive features and capabilities, the TT251N16KOFKHPSA1 module is also highly reliable and robust. Its sturdy design ensures that it is able to withstand sudden voltage fluctuations, excess heat and mechanical wear, providing a long service life in demanding power control applications.In conclusion, the TT251N16KOFKHPSA1 module is an advanced, highly efficient and reliable thyristor module, capable of controlling high power applications such as motor control, converters and inverters. Its three-phase component design and full-bridge rectification principle, coupled with its built-in output voltage feedback circuitry, make it an ideal choice for controlling precise, predictable and consistent power outputs with excellent accuracy and reliability.

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