CR-77/U

Technical Characteristics

• ~1

  type data on certain environmental and performan

• Test Data Document

  81349-mil-c-3098/4 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

• Frequency Tolerance For Operating Temp In Percent

  -0.002/+0.002 and -0.003/+0.003

• Mode Of Oscillation

  third overtone and fifth overtone

• Circuit Resonance

  series resonance

• Overall Length

  0.753 inches minimum and 0.778 inches maximum

• Specified Frequency

  55.247625 megahertz

• Center To Center Distance Between Terminals

  0.192 nominal inches

• Equivalent Resistance Value In Ohms

  40.0 maximum

• Terminal Length

  0.223 inches minimum and 0.248 inches maximum

• Overall Width

  0.435 inches maximum

• Style Designator

  7 pin tube base

• Overall Thickness

  0.183 inches maximum

• Terminal Diameter

  0.040 inches nominal

• Specification/Standard Data

  81349-mil-c-3098/55 government specification

• Supplementary Features

  pin undercut may be omitted

• Drive Level Rating

  2.0 milliwatts nominal and 1.6 milliwatts minimum and 2.4 milliwatts maximum

• Body Width

  0.402 inches maximum

• Holder Cover Material

  metal

• Body Length

  0.530 inches maximum

• Shunt Capacitance In Picofarads

  7.0 maximum

• Body Thickness

  0.150 inches maximum

• Operating Temp Range

  -40.0/+90.0 deg celsius and -55.0/+105.0 deg celsius