MT25C16T1-BP Discrete Semiconductor Products

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:	1.6kV
Current - On State (It (AV)) (Max):	25A
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Current - Gate Trigger (Igt) (Max):	150mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	550A @ 50Hz
Current - Hold (Ih) (Max):	200mA
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	Module

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MT25C16T1-BP is an SCR Module, one of the most important components in Thyristors. It is a three-terminal device designed as an integrated module with a series of SCRs and high-voltage, high-current resistors, so as to provide a direct replacement solution for conventional high power rectifiers or power regulators.The MT25C16T1-BP module uses a series of low gate current silicon controlled rectifiers (SCRs) in the same package with an integrated and insulated high voltage, high current resistor. The module is functionally capable of offering a superior alternative in distributed and regulated power applications, including an advanced level of reliability and fast switching.Application FieldThe MT25C16T1-BP module is widely used in various applications including power supplies, power rectification, over-current protection, motor speed control, and solar inverters. It is used in applications such as industrial equipment and lighting, uninterruptible power supplies (UPS), home appliances, welding machines, electric welding tools, instrumentation, and automotive systems.The module can be used in petrol pumps for automation, engine control units for automobiles, industrial machinery, railway signaling, solar inverters, transformers, UPS, power supplies and consumer electronics. The module is suitable for applications requiring an optimized run-up time with reduced EMI interference and quick over-current protection.Working PrincipleThe MT25C16T1-BP module utilizes SCRs as the primary control element and supplies a smaller current to control a higher current (load). The SCR acts as an electronic switch, as it can establish contacts between its terminals when triggered. Its switching principle is based on the gate voltage, where the voltage applied to the gate will make the SCR conduct. Once a sufficient gate voltage is given to the SCR, this will activate the module and enable the power flow between the highly stressed terminals.The SCR module offers a high degree of flexibility, as the gate current is adjustable. The module has three terminals, an anode, a control gate and a cathode. By controlling the voltage applied to the control gate coupled with the anode voltage, the SCR can be switched on and off. The resistance offered by the module also helps to control the output current from the SCR module and protect against any electrical hazards. The MT25C16T1-BP module can handle a high load current and voltage, due to the large die size of the SCR. It is critical that the gate current is kept small, as a high gate current will result in a poor operation of the SCR module as well as an increase in the heat dissipation.ConclusionThe MT25C16T1-BP module is an efficient and cost-effective application device and an attractive alternative to conventional power rectifiers or power regulators. Its superior gate-current control, high voltage and current capacity, coupled with variable run-up time, makes it an ideal solution for distributed and regulated power applications.

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