C78-391

Technical Characteristics

• Bulb Style

  t (tubular)

• Specification/Standard Data

  08108-55c1 manufacturers standard

• Filament Designation

  c-2f

• Overall Length

  1.688 inches maximum

• Special Features

  overall base is plastic material

• Wattage Rating

  2.475 watts and 3.300 watts

• Current Rating For Which Designed

  0.045 amperes minimum and 0.060 amperes maximum

• Filament Heavy Duty Service Rating

  not rated

• Bulb Designator

  t-2

• Emitted Light Characteristic

  white

• Rated Average Life

  hours

• Light Output Rating

  2.200 end footcandles nominal 1st rating

• Voltage Rating

  55.000 volts nominal

• Average Life Rating In Hours

  5000.0

• Bulb Light Transmission Characteristic

  transparent

• Base Style

  telephone slide number one

• Light Output Rating

  1.100 spherical candlepower nominal 2nd rating

• Burning Position

  any acceptable