Metal Oxide Varistor 240V 1.8KA DISC 20mm 20K241U

Description

Metal Oxide Varistor 240V 1.8KA DISC 20mm 20K241U The Metal Oxide Varistor 240V 1.8KA Disc 20mm 20K241U is a ZNR-series zinc-oxide surge absorber in a 20mm radial disc package, engineered to clamp transient overvoltages and protect sensitive electronics in mains and power-rail systems with fast response and robust energy handling capacity. Features ZNR zinc-oxide varistor construction for reliable transient clamping performance. Nominal varistor voltage approximately 240V (typical specification range 216V–264V). Peak surge current capability 1.8kA for an 8/20µs waveform. Compact 20mm disc form factor with radial through-hole leads for PCB mounting. Bidirectional operation suitable for AC and DC applications. Fast response time for effective suppression of lightning and switching transients. Wide operating temperature range and stable ceramic construction for long service life. Conforms to international safety and performance standards and is RoHS compliant. Specifications Parameter Value Nominal Varistor Voltage 240V (216V–264V) Maximum Surge Current(8/20µs) 1.8kA Clamping Voltage(8/20µs,typical) 395V Maximum Allowable AC Voltage (ACrms) 150V Disc Diameter 20mm Bidirectional Yes Operating Temperature Range −40°Cto+85°C Capacitance @ 1kHz(typ) 380pF Package Style Radial through-hole Applications Surge and lightning protection for mains AC input stages. Transient suppression in solar inverters and PV combiner boxes. Protection of industrial control equipment and motor drives. Line protection for telecom, networking, and consumer electronics. EMI/RFI mitigation and transient suppression on distribution and power modules. Package Contents 1x Metal Oxide Varistor 240V 1.8KA DISC 20mm 20K241U. Documents Datasheet

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