B72220S250K101 EPCOS Inc, B72220S250K101 Datasheet - Page 16

• Manufacturer Part Number: B72220S250K101
• Description: METAL OXIDE VARISTOR, 31V, 77V, RAD
• Manufacturer: EPCOS Inc
• Type: MOVr

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

Dimensions
Ordering code
B72205S0251K101
B72207S0251K101
B72210S0251K101
B72214S0251K101
B72220S0251K101
B72205S0271K101
B72207S0271K101
B72210S0271K101
B72214S0271K101
B72220S0271K101
B72205S0301K101
B72207S0301K101
B72210S0301K101
B72214S0301K101
B72220S0301K101
B72210S0321K101
B72214S0321K101
B72220S0321K101
B72205S0381K101
B72207S0381K101
B72210S0381K101
B72214S0381K101
B72220S0381K101
B72205S0421K101
B72207S0421K101
B72210S0421K101
B72214S0421K101
B72220S0421K101
B72205S0441K101
B72207S0441K101
B72210S0441K101
B72214S0441K101
B72220S0441K101
Please read Cautions and warnings and
Important notes at the end of this document.
Leaded varistors
StandarD series
mm
10.0
10.0
10.0
10.0
10.0
10.0
10.0
5.0
5.0
7.5
7.5
5.0
5.0
7.5
7.5
5.0
5.0
7.5
7.5
7.5
7.5
5.0
5.0
7.5
7.5
5.0
5.0
7.5
7.5
5.0
5.0
7.5
7.5
±1
a ±1
mm
1.8
1.8
2.0
2.0
2.2
2.0
2.0
2.2
2.2
2.3
2.1
2.1
2.3
2.3
2.4
2.4
2.4
2.6
2.5
2.5
2.7
2.7
2.8
2.8
2.8
2.9
2.9
3.1
2.8
2.8
3.0
3.0
3.1
b
mm
12.0
15.5
21.5
12.0
15.5
21.5
12.0
15.5
21.5
12.0
15.5
21.5
12.0
15.5
21.5
12.0
15.5
21.5
12.0
15.5
21.5
max
7.0
9.0
7.0
9.0
7.0
9.0
7.0
9.0
7.0
9.0
7.0
9.0
16
11/07
s
mm
4.2
4.2
4.8
4.8
5.3
4.3
4.4
5.0
5.0
5.4
4.5
4.5
5.1
5.2
5.6
5.4
5.4
5.8
5.1
5.2
5.8
5.9
6.3
5.4
5.4
6.1
6.1
6.5
5.5
5.5
6.2
6.3
6.7
max
h
mm
11.0
14.5
18.5
25.5
11.0
14.5
18.5
25.5
11.0
14.5
18.5
25.5
15.0
19.0
25.5
11.5
15.0
19.0
26.0
11.5
15.0
19.0
26.0
11.5
15.0
19.0
26.0
max
8.5
8.5
8.5
9.0
9.0
9.0
I
mm
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
min
d ±0.05
mm
0.6
0.6
0.8
0.8
1.0
0.6
0.6
0.8
0.8
1.0
0.6
0.6
0.8
0.8
1.0
0.8
0.8
1.0
0.6
0.6
0.8
0.8
1.0
0.6
0.6
0.8
0.8
1.0
0.6
0.6
0.8
0.8
1.0