P4KE12A-B

Voltage - Clamping (Max) @ Ipp:	16.7V
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	24.6A
Series:	P4KE
Voltage - Breakdown (Min):	11.4V
Voltage - Reverse Standoff (Typ):	10.2V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes are devices that are used to protect sensitive electronic components from over voltage and transient conditions. The P4KE12A-B is one of the most popular TVS - Diodes on the market, as it has a wide range of applications and is capable of providing high levels of protection.The P4KE12A-B is a high-power surface-mount device (SMD) designed to protect both AC and DC lines from high voltage transients. It is commonly used in automotive applications, such as in vehicles with electronic control units. Additionally, the P4KE12A-B is often used in the industrial sector, including power supplies and power supplies for computers and other electronics.The device features a clamping flyback voltage of 12V, which is capable of suppressing transients up to 16A. It also features a low clamping voltage (< 1V) and a low clamping resistance of 150 Ohms, which helps to minimize power dissipation and reduce the risk of damage due to high levels of current. The device can also operate at high temperatures, up to 150 degrees Fahrenheit, and is capable of withstanding severe environmental conditions including shocks, vibrations, and humidity.The P4KE12A-B works by clamping the voltage at its peak and then diverting it safely away. The device uses an avalanche breakdown mechanism, which occurs when the electric field strength in the depletion region of the device exceeds the breakdown voltage. This causes the depletion region to expand rapidly, resulting in an avalanche effect and allowing the voltage to be safely dissipated.The device also features a built-in transient time delay, which prevents the device from clamping transients that occur too quickly. This protects sensitive components from damage that could occur if the device clamps the voltage too quickly.The P4KE12A-B is an ideal choice for protecting against high voltage transients. Its wide range of applications combined with its high levels of protection make it a popular choice for protecting sensitive electronics from damage. It is an invaluable tool for both automotive and industrial applications and can help to ensure the safe and reliable operation of a wide variety of devices.

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