Datasheet
Electrical specifications and ordering codes
Maximum ratings (T
A
= 85 °C)
Ordering code
Type
(untaped)
SIOV-
V
RMS
V
V
DC
V
i
max
(8/20 µs)
A
W
max
(2 ms)
J
P
max
W
B72220P3131K101 S20K130E3K1 130 170 12000 135 1.00
B72220P3141K101 S20K140E3K1 140 180 12000 145 1.00
B72220P3151K101 S20K150E3K1 150 200 12000 155 1.00
B72220P3171K101 S20K175E3K1 175 225 12000 180 1.00
B72220P3211K101 S20K210E3K1 210 270 12000 215 1.00
B72220P3231K101 S20K230E3K1 230 300 12000 235 1.00
B72220P3251K101 S20K250E3K1 250 320 12000 255 1.00
B72220P3271K101 S20K275E3K1 275 350 12000 280 1.00
B72220P3301K101 S20K300E3K1 300 385 12000 305 1.00
B72220P3321K101 S20K320E3K1 320 420 12000 330 1.00
B72220P3351K101 S20K350E3K1 350 460 12000 335 1.00
B72220P3381K101 S20K385E3K1 385 505 12000 370 1.00
B72220P3421K101 S20K420E3K1 420 560 12000 405 1.00
B72220P3461K101 S20K460E3K1 460 615 12000 445 1.00
B72220P3511K101 S20K510E3K1 510 670 10000 445 1.00
B72220P3551K101 S20K550E3K1 550 745 10000 490 1.00
B72220P3621K101 S20K620E3K1 625 825 10000 540 1.00
B72220P3681K101 S20K680E3K1 680 895 10000 595 1.00
Characteristics (T
A
= 25 °C)
Ordering code
Type
(untaped)
SIOV-
V
v
(1 mA)
V
∆V
v
(1 mA)
%
v
c,max
(i
c
)
V
i
c
A
C
typ
(1 kHz)
pF
B72220P3131K101 S20K130E3K1 205 ±10 340 100 2400
B72220P3141K101 S20K140E3K1 220 ±10 360 100 2250
B72220P3151K101 S20K150E3K1 240 ±10 395 100 2050
B72220P3171K101 S20K175E3K1 270 ±10 455 100 1800
B72220P3211K101 S20K210E3K1 330 ±10 545 100 1500
B72220P3231K101 S20K230E3K1 360 ±10 595 100 1400
B72220P3251K101 S20K250E3K1 390 ±10 650 100 1300
B72220P3271K101 S20K275E3K1 430 ±10 710 100 1150
B72220P3301K101 S20K300E3K1 470 ±10 775 100 1050
B72220P3321K101 S20K320E3K1 510 ±10 840 100 1000
B72220P3351K101 S20K350E3K1 560 ±10 910 100 900
B72220P3381K101 S20K385E3K1 620 ±10 1025 100 800
B72220P3421K101 S20K420E3K1 680 ±10 1120 100 730
B72220P3461K101 S20K460E3K1 750 ±10 1240 100 660
B72220P3511K101 S20K510E3K1 820 ±10 1355 100 600
B72220P3551K101 S20K550E3K1 910 ±10 1500 100 550
B72220P3621K101 S20K620E3K1 1000 ±10 1650 100 500
B72220P3681K101 S20K680E3K1 1100 ±10 1815 100 450
Leaded varistors B722*
SuperioR-MP, S20 series
Page 3 of 22Please read Cautions and warnings and
Important notes at the end of this document.