S20K440 EPCOS Inc, S20K440 Datasheet - Page 32

• Manufacturer Part Number: S20K440
• Description: VARISTOR 440VRMS 20MM RADIAL
• Manufacturer: EPCOS Inc
• Series: StandarDr

Specifications of S20K440

• Varistor Voltage: 715V
• Current-surge: 8kA
• Number Of Circuits: 1
• Maximum Ac Volts: 440VAC
• Maximum Dc Volts: 585VDC
• Energy: 185J
• Package / Case: Disc 20mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72220S 441K101; B72220S0441K101; B72220S441K101

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S20K130 … K320
i
SIOV-S20K385 … K460
Please read Cautions and warnings and
Important notes at the end of this document.
i
max
max
10
10
10
10
10
10
10
10
10
10
10
10
A
A
5
5
5
5
5
5
5
5
_
_
4
3
2
1
0
4
3
2
1
0
1
1
10
10
1
1
Leaded varistors
StandarD series
max
5
5
= f (t
10
10
r
, pulse train)
10
10
10
10
1x
10
1x
10
2
2
3
3
5
5
10
10
10
10
10
10
2
2
4
6
4
6
2
2
32
5
5
11/07
10
10
3
3
t
t
r
r
5
5
VAR0169-F
VAR0168-7
t
t
i
i
µs
r
µs
r
max
max
10
10
4
4