1V5KE20A Circuit Protection

Current - Peak Pulse (10/1000µs):	54.2A
Base Part Number:	1V5KE20
Supplier Device Package:	DO-201AE
Package / Case:	DO-201AE, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	27.7V
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	17.1V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS (Transient Voltage Suppressor) Diodes also known as a thyristor or silicon-controlled rectifier (SCR) are an example of the semiconductor diodes that are commonly used to protect electronic devices from voltage surges. The purpose of a TVS diode is to provide protection by clamping the voltage level to a safe level.The 1V5KE20A is a TVS diode commonly used in various applications and is capable of handling high-energy pulses. Specifically, this diode is a bidirectional device with an unidirectional breakdown voltage of 20V and a pulse power dissipation of 1.5kW. Additionally, the device is compliant with the IEC 61000-4-2 standard and has an operating temperature range of -55°C to +125°C.Generally, TVS diodes have three primary functions: current limiting, reverse biasing, and clamping. When exposed to a voltage spike, the device will act as a current limiting device by limiting the amount of current flowing through the system. This helps to protect sensitive electrical components from excessive current or power that could otherwise cause permanent damage. The diode also acts as a reverse bias, which means that the device actively prevents current from flowing through it when the applied voltage is less than the breakdown voltage. This helps to protect against voltage transients and other forms of voltage surge.Finally, the diode acts as a clamping device, which means that when the voltage spike exceeds the diode’s breakdown voltage, the device will clamp the voltage level at a safe level, thus protecting sensitive electronic components from further damage.In addition to these traditional functions, the 1V5KE20A can also be used for protection against Electrostatic Discharge (ESD) and other forms of sparks. The 1V5KE20A device is also designed to have a low voltage leakage resistance, which ensures that it can handle high-energy pulses without overheating.Overall, the 1V5KE20A is a reliable and robust TVS diode that is well suited for a wide variety of applications. Its wide operating temperature range make it suitable for use in both industrial and consumer electronics, and its low voltage leakage resistant make it ideal for use in high-energy applications. Furthermore, its unidirectional breakdown voltage and pulse power dissipation make it capable of handling a wide range of voltage spikes, and its bidirectional nature make it suitable for both AC and DC applications. With all these features, the 1V5KE20A is an excellent choice for many circuit protection applications, and is sure to provide reliable and effective protection for years to come.

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