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With fins oriented vertically in cabinet sidewall applications, 401 and 403 Series heat sinks are recommended for critical space applications where maximum heat dissipation is required for high-power TO-3 case styles. Forced convection performance is also exemplary with these double surface fin types. Semiconductor mounting hole style F offers a single centered 0.270 in. (6.9)-diameter mounting hole (with a 0.750 in. (19.1)-diameter area free of anodize) for mounting stud-type diodes and rectifiers. Hole pattern V available upon request. Material: Aluminum Alloy, Black Anodized.

Application	Power Semiconductors
Brand/Series	401 Series
Color	Black
Configuration	Vertical
Convection, Forced	1.5°C/W @ 250 LFM
Convection, Natural	80°C @ 30 W
Dimensions	4.75 x 1.25 in.
Finish	Black Anodized
For Use With	TO-3, Stud Mount
Material	Aluminum
Mounting Style	Vertical
Package Type	TO-3
Primary Type	TO-3/Stud Mount
Resistance, Thermal	1.5 °C/W
Special Features	Extruded Heat Sink, Double-Surface
Thermal Resistance	1.5 °C/W
Type	Double-Surface
Weight	68 g
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• Ohmite
  Resistor; Wirewound; Res 5 Ohms; Pwr-Rtg 25 W; Tol 5%; Lug; Vitreous Enamel
  
  型号：L25J5R0E
  仓库库存编号：70022788
  
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• Ohmite
  Resistor; Wirewound; Res 5 Ohms; Pwr-Rtg 50 W; Tol 5%; Lug; Vitreous Enamel
  
  型号：L50J5R0E
  仓库库存编号：70022806
  
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• Ohmite
  Resistor; Wirewound; Res 5 Kilohms; Pwr-Rtg 25 W; Tol 5%; Lug; Vitreous Enamel
  
  型号：L25J5K0E
  仓库库存编号：70023723
  
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• Vishay / Small Signal & Opto Products (SSP)
  Diode, Zener; 6.2 V @ 41 mA; 1 W @ +50C(Ambient); DO-41; 2 Ohms @ 41 mA; 100
  
  型号：1N4735A-TR
  仓库库存编号：70061609
  
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• Amphenol Industrial
  connector, metal circ, box mount recept, no bkshl, size 10sl, 2 #16 solder pin cont
  
  型号：MS3102A10SL-4P
  仓库库存编号：70143500
  
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• Bud Industries
  Enclosure; Chassis; Rackmount; Aluminum; Natural; 19x17.187x5.218 In; RM Series
  
  型号：RM-14212
  仓库库存编号：70148839
  
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• Bud Industries
  Handle; Steel; 46756 in.; Chrome Plated
  
  型号：H-9160-B
  仓库库存编号：70148860
  
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• Bussmann by Eaton
  Fuseholder; 1/4in. x 1-1/4in. fuse; 30 A; 250 V; Panel Mount; UL Listed
  
  型号：BK-HKP-R
  仓库库存编号：70149655
  
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• Bourns
  Trimmer; Cermet; Rest 50 Kilohms; PCB; Pwr-Rtg 0.5W; Dim 0.375InLx0.19InWx0.395InH
  
  型号：3296W-1-503LF
  仓库库存编号：70153579
  
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• Eaton / Switches
  Switch, AC Rated, Toggle, DP, ON-ON, Solder TerminalS, 15A@125V; 10A@250V
  
  型号：7565K5
  仓库库存编号：70155734
  
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Application Power Semiconductors  Wakefield Application Power Semiconductors  Heatsinks Application Power Semiconductors  Wakefield Heatsinks Application Power Semiconductors   Brand/Series 401 Series  Wakefield Brand/Series 401 Series  Heatsinks Brand/Series 401 Series  Wakefield Heatsinks Brand/Series 401 Series   Color Black  Wakefield Color Black  Heatsinks Color Black  Wakefield Heatsinks Color Black   Configuration Vertical  Wakefield Configuration Vertical  Heatsinks Configuration Vertical  Wakefield Heatsinks Configuration Vertical   Convection, Forced 1.5°C/W @ 250 LFM  Wakefield Convection, Forced 1.5°C/W @ 250 LFM  Heatsinks Convection, Forced 1.5°C/W @ 250 LFM  Wakefield Heatsinks Convection, Forced 1.5°C/W @ 250 LFM   Convection, Natural 80°C @ 30 W  Wakefield Convection, Natural 80°C @ 30 W  Heatsinks Convection, Natural 80°C @ 30 W  Wakefield Heatsinks Convection, Natural 80°C @ 30 W   Dimensions 4.75 x 1.25 in.  Wakefield Dimensions 4.75 x 1.25 in.  Heatsinks Dimensions 4.75 x 1.25 in.  Wakefield Heatsinks Dimensions 4.75 x 1.25 in.   Finish Black Anodized  Wakefield Finish Black Anodized  Heatsinks Finish Black Anodized  Wakefield Heatsinks Finish Black Anodized   For Use With TO-3, Stud Mount  Wakefield For Use With TO-3, Stud Mount  Heatsinks For Use With TO-3, Stud Mount  Wakefield Heatsinks For Use With TO-3, Stud Mount   Material Aluminum  Wakefield Material Aluminum  Heatsinks Material Aluminum  Wakefield Heatsinks Material Aluminum   Mounting Style Vertical  Wakefield Mounting Style Vertical  Heatsinks Mounting Style Vertical  Wakefield Heatsinks Mounting Style Vertical   Package Type TO-3  Wakefield Package Type TO-3  Heatsinks Package Type TO-3  Wakefield Heatsinks Package Type TO-3   Primary Type TO-3/Stud Mount  Wakefield Primary Type TO-3/Stud Mount  Heatsinks Primary Type TO-3/Stud Mount  Wakefield Heatsinks Primary Type TO-3/Stud Mount   Resistance, Thermal 1.5 °C/W  Wakefield Resistance, Thermal 1.5 °C/W  Heatsinks Resistance, Thermal 1.5 °C/W  Wakefield Heatsinks Resistance, Thermal 1.5 °C/W   Special Features Extruded Heat Sink, Double-Surface  Wakefield Special Features Extruded Heat Sink, Double-Surface  Heatsinks Special Features Extruded Heat Sink, Double-Surface  Wakefield Heatsinks Special Features Extruded Heat Sink, Double-Surface   Thermal Resistance 1.5 °C/W  Wakefield Thermal Resistance 1.5 °C/W  Heatsinks Thermal Resistance 1.5 °C/W  Wakefield Heatsinks Thermal Resistance 1.5 °C/W   Type Double-Surface  Wakefield Type Double-Surface  Heatsinks Type Double-Surface  Wakefield Heatsinks Type Double-Surface   Weight 68 g  Wakefield Weight 68 g  Heatsinks Weight 68 g  Wakefield Heatsinks Weight 68 g