S20K320E2 EPCOS Inc, S20K320E2 Datasheet - Page 21

• 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

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S20K130 … K320E2
SIOV-S20K385 … K680E2
Please read Cautions and warnings and
Important notes at the end of this document.
i
i
max
max
10
10
10
10
10
10
10
10
10
10
A
5
5
5
A
5
5
5
4
3
2
0
10
4
3
2
0
10
1
1
1
1
max
5
5
= f (t
10
10
r
, pulse train)
2
2
1x
2
10
10
10
10
10
10
1x
10
10
10
10
10
10
2
2
3
4
5
6
2
3
4
5
6
21
5
5
11/07
10
10
AdvanceD series
Leaded varistors
3
3
t
t
r
r
5
5
VAR0436-H
VAR0437-P
t
t
µs
µs
r
r
i
i
max
max
10
10
4
4