P6KE47A

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	40.2V
Voltage - Breakdown (Min):	44.7V
Voltage - Clamping (Max) @ Ipp:	64.8V
Current - Peak Pulse (10/1000µs):	9.3A
Power - Peak Pulse:	600W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	--
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-15
Base Part Number:	P6KE47

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P6KE47A Application Field and Working Principle of TVS Diodes

A TVS diode, also known as a Transient Voltage Suppressor (TVS) or Transient Voltage Suppressing Diode, is a specialized type of diode that provides protection against excessive voltage transients. The high-voltage rating of TVS diodes makes them suitable for applications such as automotive electronics, AC/DC power supplies, and telecom boards. In this article, we will discuss the application field and working principle of TVS diode P6KE47A.

Application Field

As mentioned, TVS diodes are specially designed to protect a circuit from excessive voltage transients. The P6KE47A is a 600W, 6.8V unidirectional TVS diode. This diode is specially designed for protection of low-voltage, single-line systems, such as those used in consumer AC/DC power supplies, telecom boards, and automotive electronics. This diode also has a transient power rating of 6kW to protect against electrical surge events.

Working Principle

The P6KE47A utilizes a Zener diode, which is a type of diode that is designed to conduct just enough current to regulate its own reverse bias voltage drop. The breakdown voltage of the diode is well above the normal working voltage, so it does not have an adverse effect on normal operations. In the event of a large voltage surge, however, the Zener diode breaks down and begins conducting current rapidly, shunting away excessive voltage.When a large enough surge is detected, the P6KE47A conducts current rapidly to protect the circuit from excessive voltage. This is done by using a Zener diode. The Zener diode serves as a protective valve, allowing only a predetermined amount of current through to the circuit. The Zener diode is designed to break down and allow a large current to flow in the event of a large voltage surge, thus protecting the circuit from damage.

Advantages

TVS diodes are advantageous because they provide protection from excessive voltage without affecting normal operations. The P6KE47A, in particular, is rated for a high power rating of 600W and is designed for protection of low-voltage, single-line systems. This diode also has a large transient power rating of 6kW and is able to protect against fast-acting electrical surge events.

Conclusion

TVS diodes are specialized devices designed to protect circuits from excessive voltage transients. The P6KE47A is a 600W, 6.8V unidirectional TVS diode specifically designed for protection of low-voltage, single-line systems. The P6KE47A utilizes a Zener diode to regulate its own reverse bias voltage drop, and thus protect the circuit from damage. This diode also has a large transient power rating of 6kW, making it ideal for fast-acting electrical surge events.

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