ERZ-E07F431

Varistor Voltage (Typ):	430V
Package / Case:	Disc 9mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	210pF @ 1kHz
Number of Circuits:	1
Energy:	60J
Current - Surge:	2.5kA
Varistor Voltage (Max):	473V
Series:	ZNR®
Varistor Voltage (Min):	387V
Maximum DC Volts:	350V
Maximum AC Volts:	275V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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ERZ-E07F431 - TVS - Varistors, MOVs
The ERZ-E07F431 is a TVS (transient voltage suppressor) presented by ERZ series, which is used as a surge protector component for electronic systems. This component is pretty common as it is used in a wide range of different electronic systems, where it acts as a safeguard against transient voltages and other possible harmful movements in order to prevent any kind of damage.
As far as the composition and materials of the ERZ-E07F431, especially taking into account its TVS part, it is made of metal oxide varistors. Metal oxide varistors (MOVs) are a kind of nonlinear resistors mainly made of zinc oxide and other compounds, so they can be used as an initial clamping element, since they can handle relatively high levels of energy. They can shunt currents by providing a low-resistance path when certain levels of voltage or currents are exceeded, so these levels shall be kept at a minimum in order to ensure component protection.
The TVS surge protectors are usually constructed with two other elements in order to better support their functionality. In this case, the ERZ-E07F431 component combines a non-linear resistor with a thermal fuse in order to provide overload protection. For the non-linear resistor, it is a Zinc Oxide Varistor with a Varistor Voltage (VZ). As for the thermal fuse, it provides an extra element of safety that works in a thermal state, meaning that if the component reaches a certain temperature, the fuse can be opened in order to completely shut down the circuit and prevent it from any hazardous activity.
On the other hand, when it comes to its mounting and other external features, the external part of the ERZ-E07F431 component is a round ceramic disc, with a diameter of 7 millimeters and a pitch of 0.2 inches. Despite being a relatively small component, its operating voltage range is between 6V to 440V with a rated power of 900W, offering a great performance when placed into the circuit. Furthermore, its load life and flash over voltage are both rated 100amps and 890V respectively, while its energy rating is 22J, so it can easily withstand voltage spikes without overloading. Finally, as for its application field, the ERZ-E07F431 component can be used in a wide range of different circuits where it acts as a protection element against transient voltages and other hazardous events. Common applications of the ERZ-E07F431 include: audio equipment, video equipment, communication systems, LCD monitors, medical equipment, power supplies, computers, industrial applications, and etc. All in all, the ERZ-E07F431 is an extremely useful TVS-type component that combines the features of both thermal fuse and MOVs in order to provide protection from transient voltages and other hazardous movements. Its application field is rather broad, ranging from communication systems to medical equipment, making it a great choice for engineers and technicians looking for an effective surge protection solution.

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