PD421407

Current - On State (It (AV)) (Max):	700A
Package / Case:	POW-R-BLOK™ Module
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	300mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	63000A, 69000A
Current - Gate Trigger (Igt) (Max):	200mA
Voltage - Gate Trigger (Vgt) (Max):	4.5V
Current - On State (It (RMS)) (Max):	1100A
Series:	--
Voltage - Off State:	1.4kV
Number of SCRs, Diodes:	1 SCR, 1 Diode
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Thyristors - SCRs - Modules: PD421407 Application Field and Working Principle

A thyristor is a solid-state semiconductor device with three terminals that are used in power control applications. The three terminals are anode (A), gate (G), and cathode (K). Thyristors are a type of switching device and can be used to regulate the flow of electrical power. They are also known as silicon-controlled rectifiers, SCRs, or just rectifiers. The PD421407 is a popular thyristor module designed for use in power control applications.The PD421407 is a 600V, 20A thyristor module with a built-in gate protection circuit. The module is designed to be used in applications requiring high power switching. It is suitable for a variety of applications such as motor control, lighting control, solar inverters, and UPS systems.The PD421407 can be used to convert an AC voltage to a DC voltage or to reverse the current direction in a power supply. The device can switch up to 20A of current with a maximum voltage of 600V and can operate in both half- and full-wave power supply configurations. The built-in gate protection circuit is designed to protect the thyristor from damage due to overvoltage and overcurrent conditions.The working principle of the PD421407 is based on a silicon-controlled rectifier (SCR) structure. The operating voltage is applied to the gate and anode terminals and the cathode is normally connected to the ground. When a positive voltage is applied to the gate, the SCR is triggered into conduction and current flows from the anode to the cathode. The anode and cathode voltages must be greater than the gate voltage for the device to be triggered. Once triggered, the device will remain in conduction until the voltage across the anode and cathode drops to zero or the current is reduced to zero.The PD421407 is an excellent choice for power control applications that require high current switching. Its integrated gate protection circuit ensures that the device will not be damaged due to overvoltage or excess current conditions. The PD421407 is a versatile device that can be used in a variety of applications such as motor control, lighting control, solar inverters, and UPS systems.

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