BL GALAXY ELECTRICAL SILICON VARISTOR VR60,VR61 DC FORWARD CURRENT: 400,150 mA FEATURES Molded case feature for auto insertion DO-15 High surge capability High temperature soldering guaranteed 250 /10S/9.5mm lead length at 5 lbs tension MECHANICAL DATA Case:Molded with UL-94 Class V-O recognized flame retardant epoxy Terminals: Plated axial leads,solderable per MIL- STD-202E,Method 208C Mounting position: Any Dimensions in millimeters MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at ２５ ambient temperature unless otherwise specified. SYMBOL VALUE TEST CONDITION UNITS VR60 VR61 400 150 mA 8.3ms single half-sine wave 35 25 A IF=1A 1.5 max IF=1m A 0.5min IF DC forw ard current Maximum surge current IFSM VF Forw ard voltage IF Forw ard current 2.30±0.25 IF=10m A 2.75±0.25 IF=70m A 3.10±0.25 VF=0.2V V µA 20max Assembly of chips positions Color band Silver color Operating junction temperature range Storage temperature range Tj - 55 ---- + 100 TSTG - 55 ---- + 100 www.galaxycn.com Document Number 0294001A BLGALAXY ELECTRICAL 1. RATINGS AND CHARACTERISTIC CURVES VR60,VR61 FIG.1 - TYPICAL INSTANTANEOUS FIG.2 - TYPICAL FORWARD CURRENT FORWARD CHARACTERISTICS DERATING CURVE PCT OF RATING CURRENT(%) FORWARD VOLTAGE V F (V) 100 4 3 VR-61 2 VR-60 1 0 0.01 0.1 10 1 100 1000 80 60 40 20 0 0 20 40 60 AMBIENT TEMP TA( FORWARD CURRENT IF(m A) 100 80 ) 60 50 AMPERES PEAK FORWARD SURGE CURRENT FIG.3 - PEAK FORWARD SURGE CURRENT 40 30 VR-60 20 10 VR-61 0 1 10 100 NUMBER OF CYCLES AT 60Hz www.galaxycn.com Document Number 0294001A BLGALAXY ELECTRICAL 2.