You searched for "universal rectangular"
Fischer Elektronik
Heatsink, Universal 19"" Alu, 1.4K/W, 150 x 159 x 15mm, Clamp
Part: SK44-150-SA
Aluminum heatsink for 19-inch rack-mounted electronic equipment cooling.
RS PRO
Heatsink, Universal Rectangular Alu, 0.9°C/W, 200 x 96 x 40mm, Clamp
Part: 789-8564
Large clamped aluminium heatsink for high-power semiconductor cooling.
Fischer Elektronik
Heatsink, Universal 19" Alu, 2K/W, 75 x 159 x 15mm, Clamp
Part: SK44-75-SA
Standard 19-inch rack-mounted heatsink for industrial server and network equipment.
Fischer Elektronik
Heatsink, Universal 19"" Alu, 2.5K/W, 50 x 159 x 15mm, Clamp
Part: SK44-50-SA
Compact aluminum heatsink for 19-inch rack equipment with clamp mounting.
Fischer Elektronik
Heatsink, Universal 19"" Alu, 1.8K/W, 100 x 159 x 15mm, Clamp
Part: SK44-100-SA
Aluminum 19-inch rack heatsink with clamp mounting for industrial thermal cooling.