1257A

Technical Characteristics

• Overall Length

  0.500 inches nominal

• Terminal Length

  2.000 inches nominal

• Overall Width

  0.406 inches nominal

• Terminal Diameter

  0.010 inches nominal

• Mode Of Oscillation

  fundamental

• Specified Frequency

  7.492377 megahertz

• Frequency Tolerance At Reference Temp In Percent

  any acceptable

• Controlled Reference Temp

  85.0 deg celsius

• Operating Temp Range

  80.0 to 90.0 deg celsius

• Center To Center Distance Between Terminals

  0.188 inches nominal

• Frequency Tolerance For Operating Temp In Percent

  -0.001 to 0.001

• Body Width

  0.402 inches maximum

• Body Thickness

  0.150 inches maximum

• Overall Thickness

  0.156 inches nominal

• Circuit Resonance

  series resonance

• Shunt Capacitance In Picofarads

  2.5 nominal

• Frequency Stability In Percent

  any acceptable

• Holder Cover Material

  metal

• Equivalent Resistance Value In Ohms

  30.0 nominal

• Style Designator

  3 oval body, wire leads