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Kerafol Keratherm S/A Transistor Mounting Pads 1.4W/mK

Kerafol Brand: Kerafol
<p>These cut-to-size 70/50 transistor mounting pads have a very smooth surface, giving them excellent thermal properties and insulation performance at low mounting pressures. Suitable for pressure sensitive applications in automotive, AV, domestic equipment, power converters, LCD display applications.</p>
  • Available for TO-247, TO-220, TO-3 and TO-218
  • Thermal conductivity 1.4W/mK
  • Wide temperature range
  • Flame class UL 94V-1
Description Image Product Buy Qty Pricing (Ex VAT) Package/Case Breakdown Voltage Temperature Range Thermal Conductivity
Kerafol KERATHERMBRAUN70/50TO247 70/50 Thermal Transistor Pad TO247 1.4W/mK
Kerafol KERATHERMBRAUN70/50TO247 70/50 Thermal Transistor Pad TO247 1.4W/mK
Standard range
Order code: 54-4254
MPN: KERATHERMBRAUN70/50TO247

188 in stock, despatched same dayAdditional quantity lead time 9 days
10+ £0.235
30+ £0.216
TO-247 4000V -40 to +200°C 1.4W/m-K
Kerafol KERATHERMBRAUN70/50TO220 70/50 Thermal Transistor Pad TO220 1.4W/mK
Kerafol KERATHERMBRAUN70/50TO220 70/50 Thermal Transistor Pad TO220 1.4W/mK
Standard range
Order code: 54-4255
MPN: KERATHERMBRAUN70/50TO220

Order in multiples of 5


215 in stock, despatched same dayAdditional 220 due on 23/04/2025
10+ £0.713
30+ £0.626
TO-220 4000V -40 to +200°C 1.4W/m-K
Kerafol KERATHERMBRAUN70/50TO3 70/50 Thermal Transistor Pad TO3 1.4W/mK 0.25mm
Kerafol KERATHERMBRAUN70/50TO3 70/50 Thermal Transistor Pad TO3 1.4W/mK 0.25mm
Standard range
Order code: 54-4256
MPN: KERATHERMBRAUN70/50TO3

626 in stock, despatched in 4 working days
5+ £0.382
10+ £0.348
25+ £0.308
TO-3 4000V -40 to +200°C 1.4W/m-K
Order codeSuitable for
54-4254TO-247
54-4255TO-220
54-4256TO-3

ColourBrown
Thermal conductivity1.4W/mK
Thermal resistance0.44K/W
Thermal impedance178°Cmm²/W
Breakdown voltage4kV
Dielectric breakdown16kV/mm
Volume resistivity1 x 1013 Ωcm
Dielectric loss factor7.3 x 10-3
Dielectric constant3.6
Thickness0.25mm
Hardness85 Shore A
Tensile strength10N/mm²
Elongation5%
Density2.25g/cm³
Application temperature-40°C to +200°C


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