V20E550L1T

Varistor Voltage (Typ):	910V
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	300pF @ 1MHz
Number of Circuits:	1
Energy:	370J
Current - Surge:	10kA
Varistor Voltage (Max):	1.001kV
Series:	UltraMOV™
Varistor Voltage (Min):	819V
Maximum DC Volts:	745V
Maximum AC Volts:	550V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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The V20E550L1T is part of the TVS - Varistors, MOVs family. This component is mainly used in the protection of electronic circuits against destruction by electrical overstresses. The device will typically be found in applications which require surge protection such as automotive, industrial and commercial power electronics. The V20E550L1T is also suitable for both high and low-voltage applications. The V20E550L1T can dissipate up to 550 watts of energy when connected in series between two electronic circuits. This ability to dissipate energy saves components from being damaged by powerful overvoltage surges which can destroy them. In terms of its working principle, the V20E550L1T acts as an overvoltage clamp. The device is connected in parallel with the protected device and, when an overvoltage surge occurs, it begins to conduct current and provide a path for the current to flow, limiting the voltage at the protected device to a safe level. The V20E550L1T consists of two electrodes which are connected in series. One electrode is connected to the power source and the other to the protected component. When an overvoltage surge occurs, the two electrodes are forced apart, creating an insulating gap between them. However, as the voltage applied to the two electrodes rises, the gap is gradually reduced. This gives the V20E550L1T the ability to detect and absorb surges of voltage. The device is then able to clamp the voltage and dissipate the surge energy, preventing it from reaching the protected component and destroying it due to an overload. The V20E550L1T has several advantages which make it ideal for its application field. It has a relatively low thermal resistance, low leakage and tolerates multiple pulses of both alternating and direct current. Also, the device features an inherently low clamping level with a response time of less than 1 nanosecond, making it ideal for high-speed applications. The V20E550L1T is also easy to install and maintain due to its small size and robust design. In conclusion, the V20E550L1T is a powerful surge protection device which is suitable for both high and low-voltage applications where overvoltage protection is required. The device is specifically designed for the automotive, industrial and commercial power electronics sectors and has several advantages which make it ideal for its application field including its low thermal resistance, low leakage, fast response time and small size.

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