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22 July 2017 


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E180CC Special Quality Double Triode

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General Information

The E180CC is a special quality double triode that can be used for audio circuits. The heater is centre tapped for use at 6.3V or 12.6V with a parallel connection.

Characteristics

Cathode Indirectly heated by A.C. or D.C.; series or parallel supply.

  Series  - pins 9-(4+5) parallel - pins 4+5    
Heater Voltage 12.6 6.3 V
Heater current 200 400 mA
       
Max D.C. Heater –Cathode Potential   250 V  

Life

Production samples are tested to be within the end of life values (Column 3 of table shown later) under the following conditions during 10,000 hours.

Anode supply voltage Vba 150 V
Grid supply voltage Vbg 150 V
Anode resistor Ra 2.6
Grid resistor Rg 1.5 MΩ (Ig = 100µA)
Voltage between cathode & Heater Vkf 200 V
  1. Normal value or setting of the valve
  2. Range value of equipment design :  Initial Spread
  3. Range values of equipment design : End of Life
    1 2 3  
Heater Voltage (pin 9 and 4&5) Vf 6.3     v
Heater current If 400 380-420   mA
Heater voltage (pin 4&5) Vf 12.6     V
Heater current If 200     mA
Anode voltage Va 150     V
Grid Voltage -Vg 1.85     v
Anode current Ia 8.5     mA
Mutual Conductance S 6.4     mA/V
Amplification factor µ 46      
Internal resistance Ri 7.2    
Anode Voltage Va 150     V
Cathode Resistor Rk 220     Ω
Anode current Ia 8.5 6.3-10.7 min. 5.0 mA
Mutual conductance S 6.4 5.3-8.1 min. 4.0 mA/V
Negative Grid Current -Ig   max. 0.2 max. 1.0 µA
Cut off Voltage -Vg 7.5     V
Anode Voltage Va 150     V
Anode current Ia   max. 10 max. 150 µA
           
Difference in Grid Voltage (of 2 sections) (Vg-Vg2)   max. 0.2 max.2 V
Anode voltage Va 150     V
Anode current Ia 0.15     mA
Anode voltage Va 100     V
Grid voltage -Vg 0.8     V
Anode current Ia 8.5     mA
Mutual conductance S 7.8     mA/V
Amplification factor µ 50      
Internal resistance Ri 6.4    
Anode volatge Va 100     v
Grid supply voltage Vbg 100     v
Grid resistor Rg 0.5    
Anode current Ia 17.8 13.6-22.0 min. 9.5 mA
           
Leakage current between Cathode & Heater Ikf   max. 15 max. 30 µA
voltage between cathode & heaterVkf = 200V          
Series resisitor = 1MΩ          
           
Insulation resistance between two electrodes     min. 100 min. 20
 Voltage between electodes V = 275v          

Maximum Ratings (Absolute Max. rating system)

Anode voltage Vao 600  
  Va 275 V
Anode dissipation Wa 2.0 W
Grid Voltage -Vg 100 V
Grid Peak Voltage -Vgp 200 V

Max. Pulse duration = 10µs

     
Max. duty factor =  0.01      
Grid Voltage +Vg 1 V
Grid Current Ig 2 mA
Grid Peak Current Igp 50 mA

Max. Pulse duration = 10µs

     
Max. duty factor =  0.01      
Cathode Current   Ik 20 mA
Cathode Peak Current Ikp 20 mA

Max. Pulse duration = 10µs

     

Max. duty factor =  0.01

     

Voltage between Cathode & Heater

     
Cathode Positive Vkf 200 V
Cathode Negative  Vkf 100 V
Grid resistor with fixed bias Rg 0.5
With Automatic Bias Rg 1.0
       
       

CAPACITIES (Approx)  (Measured without shield)

  First Triode Unit Second Triode Unit  
       
Anode 1 to Cathode 1 & Heater 0.5 0.3-0.7     pF
Anode 2 to Cathode 2 & Heater 0.45 0.25-0.65 pF
Grid to Cathode & Heater 3.5 3.0-4.0 pF
Heater to Cathode 3.5 3.5 pF
Anode 1 to Grid 1  2.2 1.8-2.6 pF
Anode 2 to Grid 2  2.3 1.9-2.7 pF
Anode to Anode other section Max. 1.3   pF
Grid to Grid other section Max. 0.06   pF

Dimensions

Maximum overall length 66.7mm
Maxu=imum seated height 60.3mm
Maximum diameter 22mm
Base - Noval B9A

Base Connections

Pin 1 Anode )
Pin 2 Grid )------ Second Triode Unit
Pin 3 Cathode )
     
Pin 4 Heater  
Pin 5 Heater  
     
Pin 6 Anode )
Pin 7 Grid )------ First Triode Unit
Pin 8 Cathode )
     
Pin 9 Heater Tap  

 

The valve may be run horizontally, then the grid plane must be vertical.

E180CC Special Quality Double Triode mounting position diagram

BASE -8 pin Octal

TOP CAP - American Miniature CT1

CONNECTIONS

Pin 1          Grid 2 )
Pin 2          Anode 2 ) Triode unit 2
Pin 3          Cathode 2 )

Pin 4          Grid 1 )
Pin 5          Anode 1 ) Triode unit 1
Pin6          Cathode 1 )

Pin 7          Heater
Pin 8          Heater

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E180CC Special Quality Double Triode technical graph 1
E180CC Special Quality Double Triode technical graph 2
E180CC Special Quality Double Triode technical graph 3
E180CC Special Quality Double Triode technical graph 4

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