P6KE51ARLG

Current - Peak Pulse (10/1000µs):	8.6A (8/20µs)
Base Part Number:	P6KE
Supplier Device Package:	Axial
Package / Case:	T-18, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	--
Voltage - Clamping (Max) @ Ipp:	70.1V
Voltage - Breakdown (Min):	48.5V
Voltage - Reverse Standoff (Typ):	43.6V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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P6KE51ARLG Application Field and Working Principle

TVS diodes are specialised transistors which have been engineered to help in controlling and suppressing voltage transients and surges in electronic systems. The P6KE51ARLG is a Unidirectional Silicon TVS Diode designed to protect sensitive electronic equipment from voltage pulses caused by lightning, electrostatic discharge and other surge events.

Application Field

The P6KE51ARLG can be used in various applications such as computers, telecommunications equipment, automotive electronics, medical and industrial controllers, digital controllers and consumer electronics. It is suitable for a variety of operating conditions including voltage ratings of 5.0 to 200V, and peak currents of up to 1.4kA. It offers protection against both the voltage surges and lightning strikes.

Working Principle

The P6KE51ARLG works on the principle that a reverse voltage applied to a PN junction will cause a current to flow in the reverse direction, and when the applied voltage reaches a certain value, avalanche breakdown occurs and a large current flows. The P6KE51ARLG is able to limit any voltage transients or surge caused by this avalanche effect by relying on its integrated PN junction which is capable of absorbing and dispersing the energy.The integrated Zener diode and spark gap also play a role in helping to protect circuit boards and components from damage caused by voltage surges as they are able to limit the surge to a safe level which the components can withstand. The Zener Diode is able to prevent breakdowns by clamping the voltage, and the spark gap is able to dissipate the energy across a wide area.

Conclusion

TVS diodes, such as the P6KE51ARLG, are an effective solution for controlling and suppressing voltage transients and surges. The P6KE51ARLG offers power ratings of up to 200 Volts and peak currents of up to 1.4kA. Its integrated Zener diode and spark gap make it a reliable solution for protecting a circuit board and components from high voltage. It is suitable for a variety of applications such as computers, telecommunications, automotive electronics, and digital controllers.

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