CNR-18D221K Datasheet

CNR-18D221K Varistors

APPROVAL SHEET CeNtRa Varistor Varistor are voltage dependent, nonlinear device which have an electrical behavior similar to back-to-back zener diodes. CNR series zinc oxide varistor are nonlinear resistors, consisting main of zinc oxide and several kinds of metal oxide additive. They are bilateral .

Features

● Surge Protection in consumer electronics
● Fast response -- industrial electronics
● Excellent voltage ratio -- telephone and telecommunication systems
● High stabilization for circuit voltage -- automobile equipments
● Unparalleled absorption for transient voltage -- measuring and controller systems characteristics -- electronic home appliances
● Bilateral and symmetrical V-I Characteristics -- gas and petroleum appliances curve
● Absorption of switching surge from various kinds of relays and electro-magnetic valves.
● Electrostatic discharge an spike noise suppression.
● Protection of vari.