S05K420 EPCOS Inc, S05K420 Datasheet - Page 30

• Manufacturer Part Number: S05K420
• Description: VARISTOR 420VRMS 5MM RADIAL
• Manufacturer: EPCOS Inc
• Series: StandarDr

Specifications of S05K420

• Varistor Voltage: 680V
• Current-surge: 400A
• Number Of Circuits: 1
• Maximum Ac Volts: 420VAC
• Maximum Dc Volts: 560VDC
• Energy: 14J
• Package / Case: Disc 5mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72205S 421K101; B72205S0421K101; B72205S421K101

Derating curves
Maximum surge current i
For explanation of the derating curves refer to “General technical information”, section 1.8.1
SIOV-S14K50 … K320
SIOV-S14K385 … K1000
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
10
10
A
A
5
5
5
5
5
5
5
5
_
_
4
3
2
1
0
4
3
2
0
1
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
5
3
5
10
10
10
10
10
10
2
2
2
4
6
2
4
6
30
5
5
11/07
10
10
3
3
t
t
r
r
5
5
VAR0105-9
VAR0104-1
t
t
i
i
µs
r
µs
r
max
max
10
10
4
4