Z21L391 Metal Oxide Zenamic Varistor now Z21D391 390V

£2.60

93 in stock

SKU: 265ZE-X039200 Category:

Description

Z21L391 Zenamic varistor now Z21D391 390V

Varistor Voltage 390 (351-429) V1mA(V)
Maximum Allowable Voltage 250 ACrms(V) 320 DC(V)
Clamping Voltage (max.) 650 V(V)
Rated Power 1.0 (W)
Maximum Energy 275 (10/1000µs)(J) 195 (2ms)(J)
Maximum Peak Current 6500 (8/20µs) 2times (A)
Capacitance 1100 ( TYP) 1khz (pF)

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Varistors have a high natural (non operating impedance) during normal standby use. A varistors impedance drops rapidly when subjected to a high voltage spike clamping the voltage to an acceptable level absorbing the unwanted energy thus protecting voltage sensitive components.
Features:
High energy absorption; excellent voltage clamping characteristics; fast response ; low idle power and high surge current capability.
Applications:
Protection of all types of semi conductor; suppression of switching transients; voltage clipping and circuit damping; absorption of surge voltages associated with lightening strikes; prolongation of contact life and the protection of industrial switching circuits.

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