VDR Silicon Carbide Varistors

Series 250 S / SD / SDL

Shapes:
S Disc, without wire, unlacquered
SD Disc, with wire connection, unlacquered
SDL Disc, with wire connection, lacquered

 

Characteristics

Max. Power Dissipation at Δt = 80 °K   |   P = 2W   |   Mean Impact Strength = 100 J

Varistor
Type		 Operating Voltage
 V=bzw.V~		 Max. Op.  Voltage
V=bzw.V~		 Measuring Voltage
  V=+/-20%		 Measuring Current
(mA)		 B-Value Approx. Exponent n Approx. Height
(mm)
250S/SD/SDL  25/2 6 6.6 10 100 25 2 1 - 2
250S/SD/SDL  30/2 7 7.7 12 100 30 2 1 - 2
250S/SD/SDL  40/3 10 11 20 100 40 3 1 - 2
250S/SD/SDL  60/3 15 17 15 10 60 3 1.5 - 3
250S/SD/SDL  80/4 20 22 25 10 80 4 1.5 - 3
250S/SD/SDL  100/4 25 27 35 10 100 4 1.5 - 3
250S/SD/SDL  120/4 30 33 45 10 120 4 1.5 - 3
250S/SD/SDL  150/4 35 38 55 10 150 4 1.5 - 3
250S/SD/SDL  180/4 45 49 68 10 180 5 1.5 - 3
250S/SD/SDL  220/5 60 66 95 10 220 5 2 - 4
250S/SD/SDL  280/5 70 77 125 10 280 5 2 - 4
250S/SD/SDL  80W 80 88 145 10 310 5 2 - 4
250S/SD/SDL  340/5 90 99 160 10 340 6 2 - 4
250S/SD/SDL  400/6 100 110 180 10 400 6 2 - 4
250S/SD/SDL  110W 110 121 120V~ 3 - 6 440 6 2 - 4
250S/SD/SDL  480/6 115 126 150 1 480 6 3 - 5
250S/SD/SDL  550/6 140 154 180 1 550 6 3 - 5
250S/SD/SDL  650/6 150 165 200 1 650 6 3 - 5
250S/SD/SDL  800/6 180 198 260 1 800 6 3 - 5
250S/SD/SDL  220W 220 242 240V~ 2 - 4 900 6 3 - 5
250S/SD/SDL  1.0K/6 220 242 320 1 1000 6 4 - 7
250S/SD/SDL  1.2K/6 270 295 400 1 1200 7 4 - 7
250S/SD/SDL  1.5K/6 360 395 550 1 1500 7 4 - 7
250S/SD/SDL  380W 380 420 420V~ 1 - 2 1500 7 4 - 7
250S/SD/SDL  1.8K/6 380 420 600 1 1800 7 4 - 7

 

U / I Characteristic

Below is the U / I Characteristic for Series 250 S / SD / SDL