V680ZA05

Varistor Voltage (Typ):	680V
Package / Case:	Disc 5mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	40pF @ 1MHz
Number of Circuits:	1
Energy:	14J
Current - Surge:	400A
Varistor Voltage (Max):	748V
Series:	ZA
Varistor Voltage (Min):	612V
Maximum DC Volts:	560V
Maximum AC Volts:	420V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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V680ZA05 Application Field and Working Principle

As part of TVS (Transient Voltage Suppressor) or MOV (Metal Oxide Varistor) devices, the V680ZA05 is a highly versatile semiconductor component used in communications and residential applications. It is designed to protect devices from electrical over-voltage conditions, such as lightning strikes or sudden power surges that may otherwise damage sensitive semiconductor circuits. The peak pulse current for the V680ZA05 is 110A (8/20 μs), making it suitable for use in protecting telephone lines, routers, amplifiers, and signal convertors.The V680ZA05 is composed of a pair of metal-oxide semiconductor layers surrounded by an epoxy casing. The layers are typically composed of a zinc-oxide element, which is a material that changes its electrical resistance when exposed to different levels of voltage. This property makes it useful for protecting against transient over-voltages. The external casing gives the device its characteristic external appearance and encases the semiconductor material. When an external voltage is applied to the V680ZA05, the semiconductor layers increase their electrical resistance, limiting the amount of current that can pass through them. This helps reduce the amount of damage that may occur when a surge of voltage enters the device. The peak clamping voltage of the V680ZA05 is 12V (±25%), giving it sufficient protection against common voltage surges. In addition to protection against surges, the V680ZA05 can also provide some additional levels of protection to electronic devices. The device is designed to have an ESD (electrostatic discharge) protection rating of 8kV, which means it can provide reliable protection against electrical short-circuits caused by dynamic electrostatic events. The device also features an internal temperature limit of -50°C to 130°C, enabling it to reliably protect against temperature increases caused by component overheating.In summary, the V680ZA05 is a versatile TVS or MOV device designed for protecting electronic circuits from transient voltage surges, ESD contact, and over-heating. Its peak pulse current of 110A (8/20 μs) enables it to provide reliable protection against both standard and unexpected voltage conditions, and its external epoxy casing gives the device its characteristic external appearance and prevents damage from external environmental conditions. With its low operating temperature, the V680ZA05 is ideal for a range of communications and residential applications.

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