PD471807

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:	1.8kV
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

PD471807 is a semiconductor device of the thyristor family. Industrially, it is known as a silicon-controlled rectifier (SCR). It has been in production since 2011 and is used in a wide variety of applications, from aircraft and automobile engines to consumer electronics. It is available in three types: module, two-chamber, and three-chamber.

Description

The PD471807 is a four-layer device, with a p-type semiconductor base on the bottom, two n-type semiconductor layers on the sides (anode and cathode), and a gate layer on the top. It is offered in three types: two-chamber, three-chamber, and module. The two-chamber type offers two-terminal operation and the three-chamber offers three-terminal operation. The module type offers higher current handling capability than the two other types.

Parameters

The PD471807 is an avalanche type thyristor, meaning it is capable of withstanding up to 200 volts of transient voltage with no damage. Its maximum rating is 600 volts, with a quiescent current (I_Q) of 7.5 amps and an adjustable operating current (I_A) up to 57 amps. Maximum load current (I_L) is 72 amps and its trigger voltage is 5.0 volts typical).

Applications

The PD471807 thyristor is used in a wide variety of applications. It is widely used as a power control device. It can be used in motor control, speed control, power switching, surge suppression, and other power applications. The thyristor is also commonly used in communication applications, such as wireless transmitters and receivers and cell phone towers. In industrial settings, it is used in motor control, voltage regulation, and welding operations.

Working Principle

The working principle of the PD471807 is relatively straightforward. As with other thyristors, the device blocks current in the reverse direction until the forward voltage reaches a certain threshold. The device can be triggered by either a very small current or a voltage applied at the gate. When the voltage applied to the gate exceeds a certain minimum, the thyristor will turn “on” and allow current to flow in the forward direction.Once triggered, the thyristor will remain on until the forward current drops below the minimum holding current, or until the reverse voltage exceeds the breakdown voltage. At that point, the thyristor will turn “off” and not allow any current to flow until the gate voltage is reapplied.The PD471807 is a versatile device that can be used in a variety of applications. Its features and characteristics make it an excellent choice for motor control, power switching, surge suppression, communication, and many other power related applications.

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