RICHARDSON ELECTRONICS  2D21  ELECTRON TUBE

RICHARDSON ELECTRONICS 2D21

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Product Overview


The 2D21 is a miniature, 4-electrode, Inert-gas-filled Thyratron with negative control characteristics for use in relay and grid-controlled rectifier applications. Operating characteristics of the tube include a high-control ratio essentially independent of temperature over a wide range, low grid-anode capacitance and very low grid current.
  • 0.6A Heater current
  • 0.5A Peak cathode current
  • 0.1A Average cathode current
  • 10MΩ Control-grid circuit resistance
  • 8V Anode voltage drop

Applications

Industrial
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Product Specifications, Documents & More


  • Diameter: 0.75"
  • Height: 1.875"
  • Length: -
  • SVHC: To Be Advised

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Availability

Availability:  15


  • 15 in stock for same day shipping
 
Check stock and lead times
    More stock available week commencing 3/7/16

Price for: Each 1

Minimum order quantity: 1

Order multiple quantity: 1

Price: $21.73 $21.73

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Price

Quantity List Price
1+ $21.73
 
 
Low

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Customer Reviews


RICHARDSON ELECTRONICS - 2D21 - ELECTRON TUBE 5 5 1 1
good item this item is great for my application. i was actually surprised to see it was still available since it is a vacuum tube. January 14, 2015
  • 2015-06-11T15:21:28.606-05:00
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