MCK500-22IO1 Discrete Semiconductor Products

Current - On State (It (RMS)) (Max):	1294A
Base Part Number:	MC*500
Package / Case:	WC-500
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	1A
Current - Non Rep. Surge 50, 60Hz (Itsm):	16500A @ 50Hz
Current - Gate Trigger (Igt) (Max):	300mA
Voltage - Gate Trigger (Vgt) (Max):	3V
Series:	--
Current - On State (It (AV)) (Max):	545A
Voltage - Off State:	2.2kV
Number of SCRs, Diodes:	2 SCRs
Structure:	Common Cathode - All SCRs
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

MCK500-22IO1 is a Thyristors - SCRs - Module device. It is used in applications such like AC power control and dynamic braking, active energy control, fast pulsed circuits, and more. This article will describe the application field and working principle of the MCK500-22IO1 module.

Application Field

The MCK500-22IO1 Thyristors - SCRs - Module is typically used as a power control in AC applications. This module can be used to control the speed of AC motors, the power of heaters and ovens, the voltage and current supplied to a load, and more. Furthermore, this module can be used in active energy control, switching power, inrush current control and dynamic braking. The MCK500-22IO1 Thyristors - SCRs - Module is also suitable for fast pulsed circuits such as charging batteries, autotransformers, static relays, and vehicles with PCMs or other electronic control systems.

Working Principle

The MCK500-22IO1 Thyristors - SCRs - Module is based on the semiconductor thyristor principle, which is a solid-state semiconductor device that acts as an electronic switch. It is composed of two terminals, the anode (A) and the cathode (K) that are connected to two thyristors that are connected in parallel.The thyristors in the module works by using two mechanisms: the gate turn-on (GTO) and the commutation. When a positive gate-source voltage is applied to the gate terminal of the thyristor, it turns on and allows current to flow between the anode and cathode (A and K) terminals. When the gate-source voltage is removed, the thyristor turns off.The commutation of the SCRs can be done by either turn-off from the positive gate voltage or breakover from the positive anode-cathode voltage. The turn-off mechanism allows the thyristor to switch off when it receives a positive gate voltage pulse. The breakover commutation takes place when the thyristor receives a positive anode-cathode voltage pulse. When in use, the thyristors in the MCK500-22IO1 Thyristors - SCRs - Module starts and stops depending on the applied voltage or current pulses. This allows the user to control the power, speed and operation of the device using only electrical pulses.

Conclusion

The MCK500-22IO1 Thyristors - SCRs - Module is a robust and reliable power control device that can be used in many AC applications. It works on a thyristor based principle and is composed of two thyristors connected in parallel. It can be used in active energy control, switching power, inrush current control and dynamic braking. It starts and stops using electrical pulses to control the power, speed and operation of the device.

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