T300N18TOFXPSA1

Series:	--
Part Status:	Last Time Buy
Lead Free Status / RoHS Status:	--
Structure:	Single
Moisture Sensitivity Level (MSL):	--
Number of SCRs, Diodes:	1 SCR
Voltage - Off State:	1.8kV
Current - On State (It (AV)) (Max):	303A
Current - On State (It (RMS)) (Max):	400A
Voltage - Gate Trigger (Vgt) (Max):	2V
Current - Gate Trigger (Igt) (Max):	150mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	3800A @ 50Hz
Current - Hold (Ih) (Max):	200mA
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Chassis Mount
Package / Case:	DO-200AA, A-PUK

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Introduction

T300N18TOFXPSA1 is a SCR module classically used in many electronic and electrical industrial applications, from lighting and power control to motor drives and advanced automation processes. It is one of the switches of the thyristor family, and it has the main characteristic of having the ability to control a rather high electrical current, by using switching methods with low level control signals.

Applications

The T300N18TOFXPSA1 module can be employed in a wide range of applications, from low to high power control/switching, from electronic devices to domestic appliances, from aerospace applications and advanced industrial automation processes. This module is in fact very suitable for power switching systems, such as AC motor drives, DC motor drives, welding, plasma cutting machines and induction heating.The module can be also used in high power circuits, to selectively “direct” the electrical current flow in a certain path and ensure a more efficient and accurate power control. It is possible, for example, to improve the power factor by controlling the flow of current of inductive and capacitive loads as residential applications and industrial plants.

Working Principle

The T300N18TOFXPSA1 module is a part of the thyristor family, and it uses a bidirectional thyristor structure, with the main purpose of controlling the flow of an electrical current. This is obtained thanks to the “gate”, whose activation depends both on forward and reverse current directions.When the module is off, by means of a control current, the gate is switched off, and electrical current is blocked in the thyristor. The other case is when the module is on, and the gate is switched on, and a low-level control current is able to keep the thyristor on.The main operational feature of this module, is to control the conduction of current through the thyristor, in order to ensure bidirectional current flow. The main parts of the T300N18TOFXPSA1 module are the power terminals, the control circuit terminals and the gate control signals.The control circuit is necessary to control the gate, used to switch between the module’s ON and OFF states, and the power terminals enable the current to flow in both directions. The gate control signals serves to enable the ON and OFF states, which enable the thyristor to conduct or block the flow of electrical current.

Conclusion

The T300N18TOFXPSA1 module can be a useful tool for many industrial applications, from stimulation of electronic devices to induction heating systems. Its main characteristic is to enable the bidirectional control of the electrical current flow, thanks to the thyristor control switching mechanism. With its power and control terminals, and its gate control signals, the thyristor is able to conduct or block the current flow, thus providing a reliable and accurate power regulation.

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