S20K320E2 EPCOS Inc, S20K320E2 Datasheet - Page 9

• Manufacturer Part Number: S20K320E2
• Description: VARISTOR 320VRMS 20MM RADIAL
• Manufacturer: EPCOS Inc
• Series: AdvanceDr

Specifications of S20K320E2

• Varistor Voltage: 510V
• Current-surge: 10kA
• Number Of Circuits: 1
• Maximum Ac Volts: 320VAC
• Maximum Dc Volts: 420VDC
• Energy: 273J
• Package / Case: Disc 20mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72220S2321K101

Dimensional drawing
Dimensions
Ordering code
B72205S2131K101
B72207S2131K101
B72210S2131K101
B72214S2131K101
B72220S2131K101
B72205S2141K101
B72207S2141K101
B72210S2141K101
B72214S2141K101
B72220S2141K101
B72205S2151K101
B72207S2151K101
B72210S2151K101
B72214S2151K101
B72220S2151K101
B72205S2171K101
B72207S2171K101
B72210S2171K101
B72214S2171K101
B72220S2171K101
Please read Cautions and warnings and
Important notes at the end of this document.
1) Seating plane to IEC 60717
ød
b
e
mm
10.0
10.0
10.0
10.0
s
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
a
±1
1)
Bottom view
e
a ±1
mm
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
VAR0408-C
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
max
7.0
9.0
7.0
9.0
7.0
9.0
7.0
9.0
9
Weight
Nominal diameter
mm
10
14
20
The weight of varistors in between these
voltage classes can be interpolated.
5
7
11/07
s
mm
3.9
3.9
4.5
4.6
5.0
4.0
4.0
4.6
4.7
5.1
4.1
4.1
4.7
4.8
5.2
4.3
4.3
4.9
4.9
5.3
max
AdvanceD series
Leaded varistors
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
max
8.5
8.5
8.5
8.5
V
V
130 … 300
130 … 320
130 … 680
130 … 680
130 … 680
RMS
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
min
Weight
g
0.4 … 0.5
0.6 … 0.8
1.2 … 2.8
1.8 … 4.8
3.3 … 9.6
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