Datasheet
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
V
RMS
= 250 V
B72205S0251K101 S05K250 250 320 400 150 8.2 0.10
B72207S0251K101 S07K250 250 320 1200 500 19.0 0.25
B72210S0251K101 S10K250 250 320 2500 1500 38.0 0.40
B72214S0251K101 S14K250 250 320 4500 3000 65.0 0.60
B72220S0251K101 S20K250 250 320 8000 3000 140.0 1.00
V
RMS
= 275 V
B72205S0271K101 S05K275 275 350 400 150 8.6 0.10
B72207S0271K101 S07K275 275 350 1200 500 21.0 0.25
B72210S0271K101 S10K275 275 350 2500 1500 43.0 0.40
B72214S0271K101 S14K275 275 350 4500 3000 71.0 0.60
B72220S0271K101 S20K275 275 350 8000 3000 151.0 1.00
V
RMS
= 300 V
B72205S0301K101 S05K300 300 385 400 150 9.6 0.10
B72207S0301K101 S07K300 300 385 1200 500 23.0 0.25
B72210S0301K101 S10K300 300 385 2500 1500 47.0 0.40
B72214S0301K101 S14K300 300 385 4500 3000 76.0 0.60
B72220S0301K101 S20K300 300 385 8000 3000 173.0 1.00
V
RMS
= 320 V
B72205S0321K101 S05K320 320 420 400 150 11.0 0.10
B72207S0321K101 S07K320 320 420 1200 500 25.0 0.25
B72210S0321K101 S10K320 320 420 2500 1500 50.0 0.40
B72214S0321K101 S14K320 320 420 4500 3000 84.0 0.60
B72220S0321K101 S20K320 320 420 8000 3000 184.0 1.00
V
RMS
= 350 V
B72205S0351K101 S05K350 350 460 400 150 12.0 0.10
B72207S0351K101 S07K350 350 460 1200 500 27.0 0.25
B72210S0351K101 S10K350 350 460 2500 1500 45.0 0.40
B72214S0351K101 S14K350 350 460 4500 3000 80.0 0.60
B72220S0351K101 S20K350 350 460 8000 3000 150.0 1.00
V
RMS
= 385 V
B72205S0381K101 S05K385 385 505 400 150 13.0 0.10
B72207S0381K101 S07K385 385 505 1200 500 28.0 0.25
B72210S0381K101 S10K385 385 505 2500 1500 40.0 0.40
B72214S0381K101 S14K385 385 505 4500 3000 80.0 0.60
B72220S0381K101 S20K385 385 505 8000 3000 150.0 1.00
1)
Note: Nominal discharge current I
n
according to UL 1449, 4
th
edition.
Leaded varistors B722*
StandarD series
Page 9 of 47Please read Cautions and warnings and
Important notes at the end of this document.