S20K40 EPCOS Inc, S20K40 Datasheet - Page 2

• Manufacturer Part Number: S20K40
• Description: VARISTOR 40VRMS 20MM RADIAL
• Manufacturer: EPCOS Inc
• Series: StandarDr

Specifications of S20K40

• Varistor Voltage: 68V
• Current-surge: 2kA
• Number Of Circuits: 1
• Maximum Ac Volts: 40VAC
• Maximum Dc Volts: 56VDC
• Energy: 37J
• Package / Case: Disc 20mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: B72220S 400K101; B72220S0400K101; B72220S400K101

Construction
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Features
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Approvals
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Delivery mode
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Options
S10* types with lead spacing 5.0 mm and S20* types with lead spacing 7.5 mm are also available
on request.
General technical data
Climatic category
Operating temperature
Storage temperature
Electric strength
Insulation resistance
Response time
Please read Cautions and warnings and
Important notes at the end of this document.
Leaded varistors
StandarD series
Round varistor element, leaded
Coating: epoxy resin, flame-retardant to UL 94 V-0
Terminals: tinned copper wire
Wide operating voltage range 11 … 1100 V
High surge current ratings up to 8 kA
No derating up to 85 °C ambient temperature
PSpice models
UL
CSA (all types ≥K115)
SEV
VDE
CECC
CQC S05/07 (K11 … K460), S10/S14 (K11 … K680), S20 (K11 … K1100)
IEC
Bulk (standard), taped versions on reel or in Ammo pack upon request.
For further details refer to chapter “Taping, packaging and lead configuration” for leaded varistors.
to IEC 60068-1
to CECC 42 000
to CECC 42 000
to CECC 42 000
RMS
2
11/07
40/85/56
– 40 … + 85
– 40 … +125
≥2.5
≥10
<25
°C
°C
kV
MΩ
ns
RMS