Force Cooled – Coldfin® Series
High Efficiency – Low Volume – High Power – Low Weight

Coldfin® range of standard components
for use in harsh environments. Lower pressure drop in comparison
to Cold-Cube™
Type Fig Dim A Dim B Dim C Dim D Dim E Weight (kg) Thermal Resistance
CF1-0816-0375-0816A 1 81.6 40.8 37.5 71.5 81.6 0.40 0.20ºC/w*
CF1-1250-0470-1250A 1 125.0 51.5 47.0 113.5 125.0 1.1 0.07ºC/w**
CF1-1500-1250-2000A 2 153.0 130.0 125.0 - 200.0 4.7 0.05ºC/w†
CF1-2500-1250-2500A 2 253.0 130.0 125.0 - 250.0 9.44 0.03ºC/w††
CF2-0816-0805-1000A 3 80.5 81.6 100.0 71.5 - 1.01 0.15ºC/w*
CF2-0816-0805-1500A 3 80.5 81.6 150.0 71.5 - 1.52 0.13ºC/w*
CF2-2500-1200-1250A 4 120.0 250.0 125.0 - - 5.0 0.05ºC/w‡

Notes:
1. Base plates are nominal 12mm thick
2. If Coldfin™ shown in fig 2 is required without fan cowling, reduce overall width by 3mm

Coldfin™ performance data is based on the fans below:
*    Papst 8314H
**  Comair Rotron Galaxy GL124B
†   Comair Rotron Maltese MT24B3
†† Comair Rotron Caravel CL3L2
‡   Papst type 4650N
Electronics Cooling – HS Marston Aerospace Ltd
For further assistance and to discuss your specific requirements, contact:
DL: +44 (0) 1902 572705 – martin.flavin@utas.utc.com   DL: +44 (0) 1902 572737 – satnam.lally@utas.utc.com
Fax: +44 (0) 01902 572809