S20K250 EPCOS Inc, S20K250 Datasheet - Page 15

• Manufacturer Part Number: S20K250
• Description: VARISTOR 250VRMS 20MM RADIAL
• Manufacturer: EPCOS Inc
• Series: StandarDr

Specifications of S20K250

• Energy: 140J
• Varistor Voltage: 390V
• Current-surge: 8kA
• Number Of Circuits: 1
• Maximum Ac Volts: 250VAC
• Maximum Dc Volts: 320VDC
• Package / Case: Disc 20mm
• Technology: Metal Oxide
• Capacitance Value: 700pF
• Clamping Current: 100A
• Clamping Voltage: 650V
• Lead Style: Radial
• Ac Voltage Rating (max): 250VAC
• Dc Voltage Rating (max): 320VDC
• Operating Temp Range: -40C to 85C
• Mounting: Through Hole
• Surge Current (max): 8000A
• Lead Spacing: 10mm
• Product Depth (mm): 5.3mm
• Product Height (mm): 25.5mm
• Product Diameter (mm): 21.5mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 495-2404; B72220S 251K101; B72220S0251K101; B72220S251K101; B72220S251K101V57; S20K250

Dimensions
Ordering code
B72205S0950K101
B72207S0950K101
B72210S0950K101
B72214S0950K101
B72220S0950K101
B72205S0111K101
B72207S0111K101
B72210S0111K101
B72214S0111K101
B72220S0111K101
B72205S0131K101
B72207S0131K101
B72210S0131K101
B72214S0131K101
B72220S0131K101
B72205S0141K101
B72207S0141K101
B72210S0141K101
B72214S0141K101
B72220S0141K101
B72205S0151K101
B72207S0151K101
B72210S0151K101
B72214S0151K101
B72220S0151K101
B72205S0171K101
B72207S0171K101
B72210S0171K101
B72214S0171K101
B72220S0171K101
B72205S0231K101
B72207S0231K101
B72210S0231K101
B72214S0231K101
B72220S0231K101
Please read Cautions and warnings and
Important notes at the end of this document.
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
5.0
5.0
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
1.3
1.3
1.5
1.5
1.6
1.5
1.5
1.6
1.7
1.8
1.6
1.6
1.8
1.9
2.0
1.7
1.7
1.9
2.0
2.1
1.8
1.8
2.0
2.1
2.2
2.0
2.0
2.2
2.2
2.3
1.8
1.8
2.0
2.0
2.1
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
7.0
9.0
15
11/07
s
mm
3.4
3.4
4.0
4.0
4.5
3.6
3.6
4.2
4.2
4.6
3.6
3.6
4.2
4.2
4.7
3.7
3.7
4.3
4.3
4.8
3.8
3.8
4.4
4.4
4.9
3.9
4.0
4.6
4.6
5.0
4.0
4.0
4.7
4.7
5.1
max
Leaded varistors
StandarD series
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
11.0
14.5
18.5
25.5
11.0
14.5
18.5
25.5
11.0
14.5
18.5
25.5
11.0
14.5
18.5
25.5
max
8.5
8.5
8.5
8.5
8.5
8.5
8.5
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
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
0.6
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
0.6
0.6
0.8
0.8
1.0