__________


 

Model: PCF-125 ==> 1.25" dia. power cooler

Fits the following types: EL34, etc.


 

 

 

Working Clearances

 

   
 
 

Convective Cooling - Normal Operation

         
         
Equipment: Test rig   Power - Fil: 9.5 W
Serial No: N/A   Power - Anode: 22.5 W
Tube type: EL-34 Winged "C"   Power - Total: 32 W
Mfg. by: Svetlana   Cooler type: PCF-125 power
Bulb dia.: 1.25"   Cooler height: 2.62"
Bulb area:: 11.0 sq. in.   Cooler area: 87 sq. in.
         
Notes:        
 

 


Forced Air, Fan Cooling - Custom Operation

         
         
Equipment: Test rig   Power - Fil: 9.5 W
Serial No: N/A   Power - Anode: 22.5 W
Tube type: EL-34 Winged "C"   Power - Total: 32 W
Mfg. by: Svetlana   Cooler type: PCF-125 power
Bulb dia: 1.25"   Cooler height: 2.62"
Bulb area:: 11.0 sq. in.   Cooler area: 87 sq. in.
         
Notes:        
PEARL SC150 cooling system test rig. Air flow = 50 ft/min.
through 2.5" ID clear acrylic plastic chimney.