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Ohmite® introduces the C series (Pat. Pending). This series offers high performance, low cost and a compact heat sink with an integrated camming clip system for TO-247 packages (TO-220 and TO-264 available). This powerful heat sink provides tool and fixture free assembly operation, largest surface areas and smallest space occupation. It is the ideal type of heat sink for high power density and small size (1U or 2U) electronic packaging with forced convention cooling.
Features
Minimum assembly cost and labor Spring Clips make the mounting holes, fasteners, tools and fixtures obsolete in assembly operations and reduce costs.
Maximum Thermal Transfer Maximum surface area per unit volume, efficient cooling fins and consistent mounting force reduces thermal resistance.
Maximum Repeatability Constant spring force over repeated assembly/disassembly.
Maximum Reliability Resilient spring action locks electronic component in place. Fewer parts in assembly and no fasteners and washers required. Prevent short circuit by eliminating metal particles generated from hardware or thread tapping.
Design Flexibility Maximum flexibility for dynamic device locations and power upgrading. “Configure-to-Fit” gives designers total freedom to configure heat sink needed to fit into a multitude design environments.

Application	Thermal Management
Brand/Series	C Series
Dimensions	75 L x 38 W x 20.47 H in.
Finish	Degreased
For Use With	TO-247
Length, Lead	75 mm
Material	Aluminum
Material, Element	Thick Film
Mounting Type	Board Mount, Clip
Package Type	TO-247
Primary Type	TO-247
Special Features	Heat Sink
Surface Area	34 In.<sup>2</sup>
Termination	Radial Leads
Thermal Resistance	2 °C/W
Weight	1.6 oz
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• Ohmite
  Heatsink, TO-247, 25 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C247-025-1VE
  仓库库存编号：70024778
  
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• Ohmite
  Heatsink, TO-247, 25 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C247-025-1AE
  仓库库存编号：70024779
  
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• Ohmite
  Heatsink, TO-247, 50 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C247-050-2VE
  仓库库存编号：70024780
  
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• Ohmite
  Heatsink, TO-247, 50 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C247-050-2AE
  仓库库存编号：70024781
  
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• Ohmite
  Heatsink, TO-247, 75 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C247-075-3AE
  仓库库存编号：70024783
  
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• Ohmite
  Heatsink, TO-220, 25 x 19.94 x 38mm, Spring Clip Mount
  
  型号：C220-025-1VE
  仓库库存编号：70024829
  
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• Ohmite
  Heatsink, TO-220, 25 x 19.94 x 38mm, Spring Clip Mount
  
  型号：C220-025-1AE
  仓库库存编号：70024830
  
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• Ohmite
  Heatsink, TO-220, 50 x 19.94 x 38mm, Spring Clip Mount
  
  型号：C220-050-2VE
  仓库库存编号：70024831
  
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• Ohmite
  Heatsink, TO-220, 50 x 19.94 x 38mm, Spring Clip Mount
  
  型号：C220-050-2AE
  仓库库存编号：70024832
  
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• Ohmite
  Heatsink, TO-220, 75 x 19.94 x 38mm, Spring Clip Mount
  
  型号：C220-075-3VE
  仓库库存编号：70024833
  
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• Ohmite
  HEATSINK FOR TO-220 WITH 3 CLIPS
  
  型号：C220-075-3AE
  仓库库存编号：70024834
  
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• Ohmite
  Heatsink, TO-264, 30 x 20.47 x 38mm, Spring Clip Mount
  
  型号：C264-030-1VE
  仓库库存编号：70024835
  
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Application Thermal Management  Ohmite Application Thermal Management  Heatsinks Application Thermal Management  Ohmite Heatsinks Application Thermal Management   Brand/Series C Series  Ohmite Brand/Series C Series  Heatsinks Brand/Series C Series  Ohmite Heatsinks Brand/Series C Series   Dimensions 75 L x 38 W x 20.47 H in.  Ohmite Dimensions 75 L x 38 W x 20.47 H in.  Heatsinks Dimensions 75 L x 38 W x 20.47 H in.  Ohmite Heatsinks Dimensions 75 L x 38 W x 20.47 H in.   Finish Degreased  Ohmite Finish Degreased  Heatsinks Finish Degreased  Ohmite Heatsinks Finish Degreased   For Use With TO-247  Ohmite For Use With TO-247  Heatsinks For Use With TO-247  Ohmite Heatsinks For Use With TO-247   Length, Lead 75 mm  Ohmite Length, Lead 75 mm  Heatsinks Length, Lead 75 mm  Ohmite Heatsinks Length, Lead 75 mm   Material Aluminum  Ohmite Material Aluminum  Heatsinks Material Aluminum  Ohmite Heatsinks Material Aluminum   Material, Element Thick Film  Ohmite Material, Element Thick Film  Heatsinks Material, Element Thick Film  Ohmite Heatsinks Material, Element Thick Film   Mounting Type Board Mount, Clip  Ohmite Mounting Type Board Mount, Clip  Heatsinks Mounting Type Board Mount, Clip  Ohmite Heatsinks Mounting Type Board Mount, Clip   Package Type TO-247  Ohmite Package Type TO-247  Heatsinks Package Type TO-247  Ohmite Heatsinks Package Type TO-247   Primary Type TO-247  Ohmite Primary Type TO-247  Heatsinks Primary Type TO-247  Ohmite Heatsinks Primary Type TO-247   Special Features Heat Sink  Ohmite Special Features Heat Sink  Heatsinks Special Features Heat Sink  Ohmite Heatsinks Special Features Heat Sink   Surface Area 34 In.²  Ohmite Surface Area 34 In.²  Heatsinks Surface Area 34 In.²  Ohmite Heatsinks Surface Area 34 In.²   Termination Radial Leads  Ohmite Termination Radial Leads  Heatsinks Termination Radial Leads  Ohmite Heatsinks Termination Radial Leads   Thermal Resistance 2 °C/W  Ohmite Thermal Resistance 2 °C/W  Heatsinks Thermal Resistance 2 °C/W  Ohmite Heatsinks Thermal Resistance 2 °C/W   Weight 1.6 oz  Ohmite Weight 1.6 oz  Heatsinks Weight 1.6 oz  Ohmite Heatsinks Weight 1.6 oz