S20K550E3FK9 EPCOS, S20K550E3FK9 Datasheet - Page 9

• Manufacturer Part Number: S20K550E3FK9
• Description: S20K Series 550 Vac 745 Vdc 320 pF Round Metal Oxide Leaded Varistor
• Manufacturer: EPCOS

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