12AT7

Technical Characteristics

• Test Data Document

  81349-mil-s-12883 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Saddle Surface Treatment

  tin

• Polarization Type

  center key hole

• Contact Maximum Voltage In Volts And Current Type

  1250.0 ac and 1250.0 dc

• Distance Between Mounting Facility Centers

  1.495 inches minimum and 1.505 inches maximum

• Mounting Hole Diameter

  0.153 inches minimum and 0.159 inches maximum

• Mounting Hole Style

  round, w/two mounting holes

• Precious Material

  gold

• Specific Equipment Accommodated

  electron tube

• Body Style

  bottom mount w/metal saddle

• Ground Terminal Type And Quantity

  4 tab, solder lug

• Terminal Type And Quantity

  8 tab, solder lug

• Overall Width

  1.375 inches maximum

• Overall Length

  1.875 inches maximum

• Body Mounting Hole Accommodation Diameter

  1.109 inches maximum

• Saddle Material

  brass

• Contact Position Arrangement Style

  octal .687 inch

• Contact Maximum Current Rating In Amps

  5.0

• Precious Material And Weight

  0.008 gold grains, troy

• Mounting Method

  saddle

• Accommodated Contact Quantity

  8

• Specification/Standard Data

  81349-mil-s-12883/1 government specification

• Overall Height

  1.016 inches maximum

• Precious Material And Location

  c0ntact surfaces gold

• Contact Surface Treatment

  gold and copper

• Temp Rating

  100.0 deg celsius

• Projection Length Above Mounting Surface

  0.172 inches minimum and 0.204 inches maximum

• Contact Material

  beryllium copper

• Body Material

  plastic

• Mounting Type For Which Designed

  chassis

• Contact Resistance In Ohms

  0.015

• Fabrication Method

  molded

• ~1

  data on certain environmental and performanc