Development of high-voltage varistor composition allows application to AC100Vrms and AC200Vrms power circuits, which has not been materialized by conventional multilayer chip varistors hitherto. Features * * * * * Applicable to AC100Vrms and AC200Vrms power lines. Applicable to high voltage (varistor voltage: 470 V max.). The zinc oxide material ensures high reliability with excellent nonlinearity and response. Compact and available to be surface mounted. RoHS Compliant. Applications Protection of various semiconductor elements from overvoltage. Protection of various types of equipment from inductive lightning surge. Absorption of switching surge and electrostatic surge for relays, horns, and motors. Operating temperature range : -40C~+85C Part Number System - T(B) CVH 70 A 271 K Series Style Capacitance A : High capacitance Varistor voltage 271 : 270V Varistor voltage tolerance K : 10% Packing form T:Taping B:Bulk R Termination R : Ag/Pd Dimensions Unit : mm L1 L Type EIA Symbol L W CVH70 1812 4.50.3 3.20.3 3.2 0.80.3 CVH80 2220 5.70.3 5.00.3 ~271:3.2 391~:4.5 0.80.3 L2 T L1 * L2 T changes according to the varistor voltage. W Part T Max. Number List * Specifications Maximum rating Part number CVH70A680K CVH70A820K CVH70A121K CVH70A181K CVH70A221K CVH70A271K CVH80A680K CVH80A820K CVH80A121K CVH80A181K CVH80A221K CVH80A271K CVH80A391K CVH80A471K Maximum Maximum allowable voltage peak current Maximum energy (J) AC.(Vrms) DC.(V) 8/20 s (A) one time 40 50 75 110 140 175 40 50 75 110 140 175 250 300 55 65 100 145 180 225 55 65 100 145 180 225 320 385 100 100 100 100 100 100 300 300 300 300 300 300 300 300 2 2 2 2 2 2 5 5 5 5 5 5 5 5 Maximum clamping voltage Varistor voltage V1mA (A) (V) (V) 2.5 2.5 2.5 2.5 2.5 2.5 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 120 145 210 325 380 475 120 145 210 325 380 475 675 810 68 82 120 180 220 270 68 82 120 180 220 270 390 470 7 CHIP VARISTORS MARUWA GENERAL CATALOG