P4KE400A Allicdata Electronics

P4KE400A Circuit Protection

Allicdata Part #:

F6140TR-ND

Manufacturer Part#:

P4KE400A

Price: $ 0.13
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: TVS DIODE 342V 548V DO204AL
More Detail: N/A
DataSheet: P4KE400A datasheetP4KE400A Datasheet/PDF
Quantity: 5000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
5000 +: $ 0.11606
10000 +: $ 0.10806
25000 +: $ 0.10672
Stock 5000Can Ship Immediately
$ 0.13
Specifications
Series: P4KE
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Type: Zener
Unidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 342V
Voltage - Breakdown (Min): 380V
Voltage - Clamping (Max) @ Ipp: 548V
Current - Peak Pulse (10/1000µs): 750mA
Power - Peak Pulse: 400W
Power Line Protection: No
Applications: General Purpose
Capacitance @ Frequency: --
Operating Temperature: -55°C ~ 175°C (TJ)
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial
Supplier Device Package: DO-204AL (DO-41)
Description

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TVS diodes, or Transient Voltage Suppression, are components that protect sensitive electronics from voltage spikes, or transient voltage events. The P4KE400A is a TVS diode that is designed for use in high-speed digital, analog, and RF applications. Its fast-acting, low-capacitance construction means that it is highly effective in protecting against voltage spikes and ESD events.

The P4KE400A has an extremely low capacitance junction between the anode and the cathode, which is typically less than 0.5 pF. This means that it has very quick response times to voltage spikes, so it can protect against transient voltage events in a fraction of the time that other devices require. In addition, the P4KE400A has a higher rated peak pulse power than other TVS diode designs, which makes it particularly suited to high-speed digital and RF applications. However, because of its low capacitance junction, it does not have the same breakdown voltage ratings as some other TVS diode designs.

The P4KE400A works by using a dual-mode circuit that provides both positive and negative protection from transient voltage events. This is done by using two back-to-back avalanche diodes, one on each side of the junction. When any voltage spike greater than the breakdown voltage of the device occurs, one of the two avalanche diodes will conduct, allowing the current to flow through the diode and the load without damaging either. The other diode then blocks any negative voltage spikes, further protecting the load and ensuring that the P4KE400A will offer consistent protection.

Because of its robust design and fast response times, the P4KE400A is ideally suited for applications in computers, consumer electronics, automotive, and industrial applications. In automotive applications, it can provide protection against voltage transients caused by generator-regulator systems or any other power source, and in industrial applications, it can protect against voltage transients from lightning strikes or other disturbances. In computers and consumer electronics, the P4KE400A can protect against overvoltage situations caused by power surges, or from electrical disturbances caused by ESD events.

The P4KE400A is also able to provide effective protection against ESD events that can occur in digital, analog, and RF applications. This is due to its low capacitance junction, which means that it can react quickly to the voltage pulses that are created by an ESD event and dissipate them without causing any damage to the device.

In conclusion, the P4KE400A is a highly effective TVS diode for use in a wide range of applications. It is fast-acting, highly reliable, and able to offer superior protection against transient voltage and ESD events. The P4KE400A is ideal for use in high-speed digital, analog and RF applications, thanks to its high peak pulse power rating and low capacitance junction.

The specific data is subject to PDF, and the above content is for reference

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