4A1

Technical Characteristics

• Current Rating For Which Designed

  0.170 amperes minimum and 0.210 amperes maximum

• Light Output Rating

  200.000 end footcandles nominal single rating

• Emitted Light Characteristic

  white

• Voltage Rating

  4.000 volts nominal

• Bulb Style

  t (tubular)

• Bulb Light Transmission Characteristic

  transparent

• Rated Average Life

  indefinite long

• Bulb Designator

  t-2

• Base Style

  telephone slide number two

• Filament Designation

  c-6

• Burning Position

  any acceptable

• Overall Length

  1.688 inches maximum

• Filament Heavy Duty Service Rating

  not rated