MDC700-20IO1W

Series:	--
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Structure:	Series Connection - SCR/Diode
Number of SCRs, Diodes:	1 SCR, 1 Diode
Voltage - Off State:	2kV
Current - On State (It (AV)) (Max):	700A
Current - On State (It (RMS)) (Max):	1331A
Current - Non Rep. Surge 50, 60Hz (Itsm):	18200 @ 50MHz
Operating Temperature:	--
Mounting Type:	Chassis Mount
Package / Case:	WC-500
Base Part Number:	MDC700

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Thyristors - SCRs - Modules

The MDC700-20IO1W is a multi-countdown thyristor module, manufactured by the Solid State Division of Motorola Inc. It is capable of regulating and controlling a variety of electrical parameters, like voltage, current, frequency, and power. It is part of a larger family of thyristor module systems, known as the MDDC700 series devices.The MDC700-20IO1W thyristor module has a maximum output capacity of 20A, with overvoltage protection and varistor based over-voltage protection. It also has a built in temperature label and alarm system to alert users when the temperature of the module exceeds the its safe operating levels. The MDC700-20IO1W is designed for a wide range of applications, including industrial and commercial heating, air conditioning, street lighting, and traffic control systems.The MDC700-20IO1W is a cost effective and reliable solution for controlling current and voltage, as well as other electrical parameters. It produces a consistent output voltage, regardless of the load or frequency changes that occur during operation. Additionally, the module features SCR (silicon-controlled rectifier) protection which increases its reliability, while also providing advanced overload protection and AC/DC smoothing.The MDC700-20IO1W is highly efficient and operates at up to 50 degrees Celsius. It features a built-in filter that helps reduce surge currents and provide smooth DC operation. Additionally, the module also has an SCR bridge protection circuit which helps protect the device from potential damage due to transient overcurrents.The working principle of the MDC700-20IO1W involves the use of two thyristors (SCRs), which are connected in series, with each of them having three terminals. When a given input signal is applied to one of these two SCRs (known as the master SCR), it begins to conduct and allow current to pass through it, enabling the resistance to be switched on. The other SCR (the slave SCR) then follows suit, facilitating the light operation of the module.Once the master SCR has been triggered, the current flows through the slave SCR, which then regulates the voltage across it, preventing it from exceeding the set limit. This regulated voltage is then passed on to the output, enabling the load to be controlled and operated properly.In addition to controlling voltage, the MDC700-20IO1W also provides frequency regulation, protection against transient over-voltage, and protection from over-currents. Furthermore, the module\'s thermal protection circuit quickly shuts off operation if the temperature exceeds its safe limits, protecting the device and its nearby components.Overall, the MDC700-20IO1W is an effective, reliable and cost-effective solution for controlling electrical parameters, like voltage and current, and protecting against transient over-voltage and over-currents. It is ideally suited for use in a variety of industrial and commercial applications, including street lighting, traffic control systems, air conditioning, and heating.

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