V18ZT05

Varistor Voltage (Typ):	18V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	1400pF @ 1MHz
Number of Circuits:	1
Energy:	0.17J
Current - Surge:	100A
Varistor Voltage (Max):	19.8V
Series:	ZT
Varistor Voltage (Min):	16.2V
Maximum DC Volts:	14V
Maximum AC Volts:	10V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs

Varistors, also known as transient voltage suppressors (TVS) and metal oxide varistors (MOVs), are electronic devices that protect against overvoltage transients. The V18ZT05 is an example of such a device. It is an integrated circuit (IC) designed to protect sensitive electronics from sudden voltage spikes caused by external sources such as electronics switching, static charges, and lightning strikes. This article will discuss the application field and working principle of the V18ZT05.The V18ZT05 is a highly integrated devide that is designed for use in a variety of applications. It features an 18V breakdown voltage rating, which is suitable for use in consumer electronics, industrial equipment, commercial lighting, computer peripherals, and automotive electronics. The device is also capable of suppressing transients up to 400V, so it can provide reliable protection from spikes of nearly any magnitude. The V18ZT05 is available in both surface-mount and through-hole versions, so it can cater to a wide variety of applications.The V18ZT05 utilizes a unique Zener diode circuit to protect against overvoltage transients. The Zener diode forms an anti-parallel connection when it is energized and, when a voltage exceeding the breakdown voltage is detected, the Zener diode goes into a low-resistance state and diverts the excess energy away from the protected circuits. This process helps prevent damage to sensitive electronics and prevents them from becoming overloaded.The overvoltage protection provided by the V18ZT05 can be further enhanced by connecting external components in parallel with the device. By connecting capacitors and spark-gap fuses to the device, it is possible to extend the protection time in the event of an overvoltage spike. This helps ensure that the protected circuits remain safe even in the event of a prolonged voltage spike.In summary, the V18ZT05 is a highly reliable and versatile overvoltage transient suppressor that is suitable for a variety of applications. Its integrated Zener diode circuit provides reliable protection from overvoltage transients, and additional components can be connected in parallel with the device to extend the protection time. All in all, the V18ZT05 provides an effective and reliable means of protecting sensitive electronics from unexpected voltage spikes.

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