B72220S250K101 EPCOS Inc, B72220S250K101 Datasheet - Page 32
![METAL OXIDE VARISTOR, 31V, 77V, RAD](/photos/22/0/220032/4617291_sml.jpg)
B72220S250K101
Manufacturer Part Number
B72220S250K101
Description
METAL OXIDE VARISTOR, 31V, 77V, RAD
Manufacturer
EPCOS Inc
Type
MOVr
Datasheet
1.S05K140.pdf
(36 pages)
Specifications of B72220S250K101
Suppressor Type
Varistor
Peak Surge Current @ 8/20µs
2kA
Varistor Case
20mm DISC
Clamping Voltage Vc Max
77V
Peak Energy (10/1000us)
22J
Voltage Rating Vdc
31V
Voltage Rating Vac
25V
Brand/series
Standard Series
Capacitance
11100 pF
Current, Peak
2000 A
Dimensions
21.5 mm (Max.) Dia. x 4.7 mm (Max.) W x 25.5 mm (Max.) H
Electric Strength
2.5 kV (RMS) (Min.)
Energy Rating
22 Joules
Mounting Style
Leaded
Package
Leads
Power Rating
0.20 W (Max.) @ +85 °C
Resistance, Insulation
10 Megohms (Min.)
Technology
Metal Oxide
Temperature, Operating, Maximum
85 °C
Temperature, Operating, Minimum
-40 °C
Terminal Type
Tinned Copper
Time, Response
25 ns (Max.)
Voltage, Ac
25 VAC
Voltage, Clamping
77 V
Voltage, Dc
31 VDC
Voltage, Operating
25 Vrms @ +85 °C, 31 VDC @ +85 °C
Voltage, Varistor
39
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S20K130 … K320
i
SIOV-S20K385 … K460
Please read Cautions and warnings and
Important notes at the end of this document.
i
max
max
10
10
10
10
10
10
10
10
10
10
10
10
A
A
5
5
5
5
5
5
5
5
_
_
4
3
2
1
0
4
3
2
1
0
1
1
10
10
1
1
Leaded varistors
StandarD series
max
5
5
= f (t
10
10
r
, pulse train)
10
10
10
10
1x
10
1x
10
2
2
3
3
5
5
10
10
10
10
10
10
2
2
4
6
4
6
2
2
32
5
5
11/07
10
10
3
3
t
t
r
r
5
5
VAR0169-F
VAR0168-7
t
t
i
i
µs
r
µs
r
max
max
10
10
4
4