S20K250 EPCOS Inc, S20K250 Datasheet - Page 3

• 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

Maximum ratings (T
Ordering code
B72205S0110K101
B72207S0110K101
B72210S0110K101
B72214S0110K101
B72220S0110K101
B72205S0140K101
B72207S0140K101
B72210S0140K101
B72214S0140K101
B72220S0140K101
B72205S0170K101
B72207S0170K101
B72210S0170K101
B72214S0170K101
B72220S0170K101
B72205S0200K101
B72207S0200K101
B72210S0200K101
B72214S0200K101
B72220S0200K101
B72205S0250K101
B72207S0250K101
B72210S0250K101
B72214S0250K101
B72220S0250K101
B72205S0300K101
B72207S0300K101
B72210S0300K101
B72214S0300K101
B72220S0300K101
1) Jump-start strength (max. 24 V, 5 minutes)
Please read Cautions and warnings and
Important notes at the end of this document.
A
= 85 °C)
Type
(untaped)
SIOV-
S05K11
S07K11
S10K11
S14K11
S20K11
S05K14
S07K14
S10K14
S14K14
S20K14
S05K17
S07K17
S10K17
S14K17
S20K17
S05K20
S07K20
S10K20
S14K20
S20K20
S05K25
S07K25
S10K25
S14K25
S20K25
S05K30
S07K30
S10K30
S14K30
S20K30
V
V
11
11
11
11
11
14
14
14
14
14
17
17
17
17
17
20
20
20
20
20
25
25
25
25
25
30
30
30
30
30
RMS
3
11/07
V
V
14
14
14
14
14
18
18
18
18
18
22
22
22
22
22
26
26
26
26
26
31
31
31
31
31
38
38
38
38
38
DC
1)
1)
1)
1)
Leaded varistors
StandarD series
i
(8/20 µs)
A
1000
2000
1000
2000
1000
2000
1000
2000
1000
2000
1000
2000
max
100
250
500
100
250
500
100
250
500
100
250
500
100
250
500
100
250
500
W
(2 ms)
J
10.0
12.0
14.0
18.0
22.0
26.0
0.3
0.8
1.7
3.2
0.4
0.9
2.0
4.0
0.5
1.1
2.5
5.0
0.6
1.3
3.1
6.0
0.7
1.6
3.7
7.0
0.9
2.0
4.4
9.0
max
P
W
0.01
0.02
0.05
0.10
0.20
0.01
0.02
0.05
0.10
0.20
0.01
0.02
0.05
0.10
0.20
0.01
0.02
0.05
0.10
0.20
0.01
0.02
0.05
0.10
0.20
0.01
0.02
0.05
0.10
0.20
max