TD104N12KOFHPSA1

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Number of SCRs, Diodes:	1 SCR, 1 Diode
Voltage - Off State:	1.4kV
Current - On State (It (AV)) (Max):	104A
Current - On State (It (RMS)) (Max):	160A
Voltage - Gate Trigger (Vgt) (Max):	1.4V
Current - Gate Trigger (Igt) (Max):	120mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	2050A @ 50Hz
Current - Hold (Ih) (Max):	200mA
Operating Temperature:	-40°C ~ 140°C
Mounting Type:	Chassis Mount
Package / Case:	Module

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TD104N12KOFHPSA1 Application Field and Working Principle

Thyristors are a specific class of semiconductor switches that open and close on a particular electric signal. The TD104N12KOFHPSA1 is a type of thyristor or silicon-controlled rectifier (SCR) module.

Application Field

The TD104N12KOFHPSA1 is a power module used in AC or DC motor drives and in other power switching applications. It is designed for controlling medium voltage motors with a maximum current rating of 104A and a maximum voltage of 1200V. The device also comes with over current protection and thermal protection features to ensure safe operation. It is also applicable to low frequency applications such as high capacity switching, light dimmers, and high frequency inverter applications.

Working Principle

The TD104N12KOFHPSA1 is an SCR module which is a three terminal device. It consists of two main components: the main thyristor and a diac. The thyristor works based on the principle of “controlled rectification”. Controlled rectification means that the voltage on a given point in the circuit is controlled by the flow of current through the circuit. It works by using a negative gate current to create a positive voltage on the gate terminal of the thyristor. This positive voltage creates a current in the anode-cathode junction of the thyristor, and if the current is large enough, it will begin to conduct. The gate current is then cut off and the thyristor will remain in the on state until the anode current drops below its holding current.The diac works by using the same principle as the thyristor but with an additional diode in series with the gate terminal. When the gate voltage is high enough, the diac will fire, creating a short between the gate and the anode. The diac current will remain on until the anode current drops below a certain threshold.The TD104N12KOFHPSA1 module is designed to work in a wide range of applications from low frequency to high frequency inverters. It is capable of controlling large amounts of current, and the module also offers thermal and over current protection for the user.

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