Varistors Types VV VDC VDC ± 10 % max. max. (IDC = 1 mA) V ^ Îp 1, 2) Îp 1, 3) Wp 1, 3) max. repetitive max. nonrepetitive max. ^ ^ PAV w Vpmax (Îp 1) = ...) max. (10 A) (100 A) (1000 A) Tamb ≤ 70 °C V V A A J W V V V g 320 615 390 ± 15 % 750 ± 15 % 190 190 6500 6500 140 260 0,8 4) 0,8 4) 600 1150 650 1270 800 1550 120 120 190 6500 260 0,8 4) 1150 1270 1550 130 Plastic package, 1 varistor SKVC 20 A 251 SKVC 20 A 460 250 460 Plastic package, 1 varistor + 1 capacitor 0,1 µF SKVC 20 A 460C 460 615 750 ± 15 % IEC standard current pulse waveform 8 x 20 µs 2) 104 times during lifetime 3) Once during lifetime 1) 4) SKVC 20 A 251 SKVC 20 A 460 SKVC 20 A 460C Tcase ≤ 85 °C Fig. 1 Current / voltage characteristics (pulsed) Fig. 2 Current / voltage characteristics (pulsed) Visol = 2500 V~ Visol = 2500 V~ SKVC 20 A 251; SKVC 20 A 460 © by SEMIKRON 15-03-2004 Dimensions in mm SKVC 20 A 460 C Varistors 2005 Varistors Dimensions in mm SKF 16-B Dimensions in mm SKF 16-O 2006 Varistors 15-03-2004 © by SEMIKRON