Heatsinks - Large, Two Surface
Aluminum Heatsink
(HSK) 486K
Delta gigantic heatsink is NOT milled for TO-3. This would be about as close as you can come to total efficiency for heat dissipation. Anodized black. Aluminum. 6" x 6-3/8" x 5-3/4".
$55 each - $50 (3+)
Aluminum Heatsink
(HSK) NC-421K
Delta aluminum heatsink. 4 pre-drilled holes. 3" x 4-7/8" x 2-5/8" high.
$15 each
Aluminum Heatsink
(HSK) 6XTO3
Aluminum heatsink. Mounts up to (6) TO-3 transistors. 3" x 4-3/4" x 7-1/2"L. Used.
$9.50 each
Two Surface Heatsink
(HSK) 12175/30270-3
Heatsink. Medium, two surface. 3/8" & 1/2" holes. 1-1/4" x 2-3/16" x 4". Removed. NSN: 5999-01-380-3171.
$5 each
Double Surface Heatsink
(HSK) HEATSNK90
50 watt (estimated) 1-5/8" x 4" x 2-5/8" high. Pre-drilled feet and single center hole. Unpainted aluminum.
*** SOLD OUT ***
Aviation Aluminum Heatsink
(HSK) NC-421
Delta / EG & G Wakefield Engineering aviation aluminum heatsink. Black finish. 1/2"D hole, unthreaded. 2-1/2" x 4-1/2" c-c mounting holes. Dimensions: 3" x 4-3/4" x 2-5/8" high. NSN: 5999-00-507-9878. Mfg. P/N: NC-421.
$14 each
Aluminum Heatsink
Mount Frame
hsk-400
(HSK) 63316A
Aluminum heat sink mounting frame for 7 power tab devices. Common side fastens to chassis or larger sink with 4 screws. 3 point PCB fastening. Dimensions: 2-5/8" x 3-3/8" x 1-3/4"H.
$6 each - $5 (10+), $4.50 (100+)
Chromate Heatsink
hsk-400
(HSK) 400
Anodized zinc chromate treatment with 3/8" and 3/4" predrilled semi conductor holes. 3/8" thick main plate. Mounting holes on edge. 3-1/2" x 5-1/2" x 6".
$29 each - $25 (4+)
Heatsink
hsk-1002155a
(HSK) 1002155A
Double sided heatsink. 1"H x 2-1/4" x 2-3/4".
$4 each - $3 (10+)
Heatsink
(HSK) 31400056
500 watt (estimated) 4-1/2" x 4-3/4" x 12-3/4". 3- 7/16" holes, 3- 5/8" holes, 3- 3/4" holes. Great for large stud diodes and SCR's.
$65 each