C78-393

Technical Characteristics

• Filament Heavy Duty Service Rating

  not rated

• Overall Length

  1.688 inches maximum

• Features Provided

  filament shielding and heat resistant glass

• Burning Position

  any acceptable

• Current Rating For Which Designed

  0.032 amperes minimum and 0.044 amperes maximum

• Base Style

  telephone slide number three

• Bulb Designator

  t-2

• Rated Average Life

  hours

• Light Output Rating

  1000.000 end footcandles nominal single rating

• Bulb Light Transmission Characteristic

  transparent

• Filament Designation

  c-2

• Bulb Style

  t (tubular)

• Emitted Light Characteristic

  white

• Average Life Rating In Hours

  4000.0

• Voltage Rating

  30.000 volts nominal