Electrical specifications and ordering codes
Maximum ratings (T
A
= 105 °C)
Ordering code
Type
(untaped)
SIOV-
V
RMS
V
V
DC
V
i
max
(8/20 µs)
1 time
A
I
n
1)
(8/20 µs)
15 times
A
W
max
(2 ms)
J
P
max
W
B72220P3131K101 S20K130E3K1 130 170 12000 5000 135 1.00
B72220P3141K101 S20K140E3K1 140 180 12000 5000 145 1.00
B72220P3151K101 S20K150E3K1 150 200 12000 5000 155 1.00
B72220P3171K101 S20K175E3K1 175 225 12000 5000 180 1.00
B72220P3211K101 S20K210E3K1 210 270 12000 5000 215 1.00
B72220P3231K101 S20K230E3K1 230 300 12000 5000 235 1.00
B72220P3251K101 S20K250E3K1 250 320 12000 5000 255 1.00
B72220P3271K101 S20K275E3K1 275 350 12000 5000 280 1.00
B72220P3301K101 S20K300E3K1 300 385 12000 5000 305 1.00
B72220P3321K101 S20K320E3K1 320 420 12000 5000 330 1.00
B72220P3351K101 S20K350E3K1 350 460 12000 5000 335 1.00
B72220P3381K101 S20K385E3K1 385 505 12000 5000 370 1.00
B72220P3421K101 S20K420E3K1 420 560 12000 5000 405 1.00
B72220P3461K101 S20K460E3K1 460 615 12000 5000 445 1.00
B72220P3511K101 S20K510E3K1 510 670 10000 5000 445 1.00
B72220P3551K101 S20K550E3K1 550 745 10000 5000 490 1.00
B72220P3621K101 S20K625E3K1 625 825 10000 5000 540 1.00
B72220P3681K101 S20K680E3K1 680 895 10000 5000 595 1.00
1)
Note: Nominal discharge current I
n
according to UL 1449, 4
th
edition.
Leaded varistors B722*
SuperioR-MP, S20 series
Page 3 of 24Please read Cautions and warnings and
Important notes at the end of this document.
