This heatsink is designed to mate with itself to form a tunnel. The heatsink extrusion has screw flute centre to enable 4 x No.6 self- tapping screws to fasten an 80mm standard type fan on one (or both)
end/s to drive air through the heatsink assembly. It is ideal for high power amplifiers and power
supplies. The entire assembly, including fan/s can still fit inside a 2 x Rackunit (88mm) enclosure. The
heatsink also features ribbed fins for extra surface area, a 4mm thick base to enable thread tapping
and small vee grooves on 5mm centres to facilitate mounting hole location. The centre groove, for
example, is directly below the middle fin. Two standard lengths are available, black anodised. We can, however, custom cut any length in quantity. OEMs, contact us for bulk prices.
Thermal Characteristics:
Assembly Type Cooling Mode Rating (approx)
Single Length Convection 0.83° C/W
Tunnel Assembly Convection 0.70° C/W
Tunnel Assembly Fan Assisted (single) 0.35° C/W
Tunnel Assembly Fan Assisted (dual) 0.30° C/W
Suitable fans are YX- 2512 (12V DC) or YX- 2510 (240V AC).
Note: 2 heatsinks pictured
length 225mm
end/s to drive air through the heatsink assembly. It is ideal for high power amplifiers and power
supplies. The entire assembly, including fan/s can still fit inside a 2 x Rackunit (88mm) enclosure. The
heatsink also features ribbed fins for extra surface area, a 4mm thick base to enable thread tapping
and small vee grooves on 5mm centres to facilitate mounting hole location. The centre groove, for
example, is directly below the middle fin. Two standard lengths are available, black anodised. We can, however, custom cut any length in quantity. OEMs, contact us for bulk prices.
Thermal Characteristics:
Assembly Type Cooling Mode Rating (approx)
Single Length Convection 0.83° C/W
Tunnel Assembly Convection 0.70° C/W
Tunnel Assembly Fan Assisted (single) 0.35° C/W
Tunnel Assembly Fan Assisted (dual) 0.30° C/W
Suitable fans are YX- 2512 (12V DC) or YX- 2510 (240V AC).
Note: 2 heatsinks pictured
length 225mm
Heatsink Layout:Box
Heatsink Thermal Resistance:0.83 °C/W
Heatsink Mounting Method:Screw Down
Heatsink Fins:2.0 pc
Sink Area Width:225.0 mm
Component Mount Area Height:84.0 mm
Cooling Fan Mount Size:84.0 mm
Fan Assisted-Type Heatsink - 225mm Long
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$28.95
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