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FORCE COOLED
COLDFIN(R) SERIES Forced Air Heat Sinks
HIGH EFFICIENCY - LOW VOLUME - HIGH POWER - LOW WEIGHT
Our design department is available to assist in the design and manufacture of COLDFIN(R) high performance heat sinks to meet your specific requirements.
Fig 1
Fig 2
Fig 3
Fig 4
Catalog Number CF1-0816-0375-0816A CF1-1250-0470-1250A CF1-1500-1250-2000A CF1-2500-1250-2500A CF2-0816-0805-1000A CF2-0816-0805-1500A CF2-2500-1200-1250A
fig. 1 1 2 2 3 3 4
dim'n A 81.6 125.0 153.0 253.0 80.5 80.5 120.0
dim'n B 40.75 51.5 130.0 130.0 81.6 81.6 250.0
dim'n C 37.5 47.0 125.0 125.0 100.0 150.0 125.0
dim'n D 71.5 113.5 - - 71.5 71.5 -
dim'n E 81.6 125.0 200.0 250.0 - - -
Weight (Kg) 0.4 1.1 4.7 9.44 1.01 1.52 5.0
Thermal Resistance 0.20 C/Watt * 0.07 C/Watt ** 0.05 C/Watt 0.03 C/Watt 0.15 C/Watt * 0.13 C/Watt * 0.05 C/Watt
Notes: 1) Base plates are nominal 12 mm thick. 2) If heat sinks shown in fig.2 are required without the fan cowling then the overall width should be reduced by 3 mm. Test results were obtained using the fans listed below:
HS MARSTON AEROSPACE LTD, WOBASTON ROAD, FORDHOUSES, WOLVERHAMPTON, WV10 6QJ TEL: +44 (0)1902 623500 FAX: + 44 (0)1902 623519
FORCE COOLED
COLDFIN(R) SERIES Forced Air Heat Sinks
* 80mm square Papst fan type 8314H ** Comair Rotron 125mm square Galaxy fan type GL124B Comair Rotron Maltese fan type MT24B3 Comair Rotron Caravel fan type CL3L2 Two 120mm square Papst fans Type 4650N
Self adhesive foam gaskets are available as an alternative to screw fixing for attaching 80mm square fans to the heatsinks.
HS MARSTON AEROSPACE LTD, WOBASTON ROAD, FORDHOUSES, WOLVERHAMPTON, WV10 6QJ TEL: +44 (0)1902 623500 FAX: + 44 (0)1902 623519

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