Heating elements
Metallized rectangular disks, 12 V
R41
Reliability data
Test
Electrical endurance,
cycling
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
IEC 60738-1
Test conditions
Room temperature, Vmax
Number of cycles: 10 000
Storage at Vmax/Top,max (VR)
Test duration: 1000 h
Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
Characteristics (typical)
PTC resistance RPTC
versus PTC temperature TPTC
(measured at low signal voltage)
PTC resistance RPTC
versus PTC temperature TPTC
(measured at low signal voltage)
∆R25/R25
< 25%
< 25%
< 25%
Please read Cautions and warnings and
Important notes at the end of this document.
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