CD431090C

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Structure:	Series Connection - All SCRs
Number of SCRs, Diodes:	2 SCRs
Voltage - Off State:	1kV
Current - On State (It (AV)) (Max):	90A
Current - On State (It (RMS)) (Max):	141A
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - Gate Trigger (Igt) (Max):	100mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	2000A @ 50Hz
Current - Hold (Ih) (Max):	100mA
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	Module

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Thyristors – SCRs – Modules: CD431090C application field and working principleThyristors are a type of semiconductor device with four layers of alternating N and P-type material. They have three terminals known as the anode, cathode and gate. Thyristors are mainly used for switching, signal control and regulation in power conversion and distribution systems.SCR (silicon-controlled rectifier) is a specific type of thyristor, widely used in the industry. SCRs are unidirectional switches with low on-state voltage drop enabling them to efficiently control and regulate large currents. SCRs are widely used in general purpose applications, and in high power circuit designs as well.Modules containing thyristors or SCRs are widely used in the electronics industry. Such modules usually combine several thyristors or SCRs into a single package, enabling the user to quickly connect several devices with minimal wiring. Some modules also integrate other circuitry, such as snubbers, diodes and RC circuits.The CD431090C is a thyristor module made by Clare, Inc. It is designed for use in 1-phase bridge rectifier applications with low switching losses. The module has eight terminals, four for the anode side and four for the cathode side of the rectifier.The working principle of the CD431090C is based on the principle of four thyristors connected in a bridge circuit. When the gate terminal on one of the thyristors is energized, it is switched on and current can flow in one direction through the thyristor. As a result, a voltage drop will appear across the thyristor. If a larger voltage drop is desired, additional thyristors can be connected in series.When the gate terminal of the thyristor is no longer energized, the thyristor is turned off and current will no longer flow through it. The current flow is then diverted to the other remaining thyristors in the rectifier. This allows for a quick changeover of the output voltage of the bridge rectifier.The CD431090C can also be used for other applications, such as motor control, speed control, and load sharing. It is designed for use in both AC and DC systems and is available in a variety of voltage ratings, from 10 to 600 V.Overall, the CD431090C is a versatile thyristor module that can be used for a variety of applications, ranging from general purpose rectification to advanced control systems. It is a reliable, efficient and cost-effective way to provide reliable and efficient power control.

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