P0640EA

Series:	SIDACtor®
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	77V
Voltage - Off State:	58V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	150A
Current - Peak Pulse (10/1000µs):	45A
Current - Hold (Ih):	150mA
Number of Elements:	1
Capacitance:	60pF
Mounting Type:	Through Hole
Package / Case:	TO-226-2, TO-92-2 (TO-226AC)

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Thyristors

Thyristors, or Silicon Controlled Rectifier (SCR), are three-terminal devices that are made up of four alternating layers of N-type and P-type silicon arranged in a symmetrical pattern. The P terminals are referred to as anodes, the N terminals are referred to as cathodes, and the control terminal is the gate. Thyristors can be found in a wide range of applications including power switching, power control, and motor control.

P0640EA Application Field and Working Principle

The P0640EA is a 10 A/400 V off-line Thyristor manufactured by the Exar Corporation. It is ideal for low voltage applications including motor control, load control, and DC power line switching. The P0640EA is a three-terminal device with an anode, a cathode, and a gate. It has a surge current rating of 30 A and can handle an operating voltage of up to 320 V.The working principle of the P0640EA is as follows: the anode is connected to the positive terminal of the power supply and the cathode to the negative terminal. The gate receives a voltage signal from an external source. When the voltage reaches the breakover point (usually 4-8 V), the Thyristor will turn on, allowing the current to flow from anode to cathode. When the applied voltage signal is reduced below the breakover point, the Thyristor will turn off and the current will stop flowing.The P0640EA is capable of delivering both continuous and discontinuous currents depending on the type of load it is connected to. For loads with a continuous current, a single P0640EA can deliver up to 8 A and for loads with a discontinuous current, up to 10 A. The precise current output of the device can be adjusted by varying the voltage applied to the gate.

Conclusion

The P0640EA is a versatile and reliable off-line Thyristor manufactured by the Exar Corporation. It has excellent surge current capability and can be used in a variety of applications including motor control, load control, and DC power line switching. The P0640EA can handle an operating voltage of up to 320 V and is capable of delivering both continuous and discontinuous currents up to 8 A and 10 A respectively.

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