641D

Technical Characteristics

• Mounting Facility Type And Quantity

  2 threaded hole

• Specified Frequencies Of Discrimination Per Function

  20.239 kilohertz blank and 19.773 kilohertz blank and 19.320 kilohertz blank and 20.690 kilohertz blank

• Operating Temp Range

  +0.0/+70.0 deg celsius

• Body Material

  metal

• Style Designator

  rectangular terminal/terminals on opposite surfaces

• Output Impedance Per Function W/Source Across Input

  10.0 kilohms blank

• Discrimination At Specified Frequencies Per Function In Decibels

  80.0 minimum blank and 3.0 nominal blank and 3.0 nominal blank and 80.0 minimum blank

• Load Impedance Per Function

  35.0 ohms blank

• Frequency Band Width Per Function

  19.773 kilohertz blank and 20.239 kilohertz blank

• Insertion Loss At Reference Frequency Per Function In Decibels

  2.5 blank

• Nominal Thread Size

  0.138 inches

• Body Width

  2.312 inches maximum

• Mounting Facility Screw Thread Series Designator

  unc

• Precious Material And Location

  terminals electro plated gold

• Input Impedance Per Function W/Load

  1.0 kilohms blank

• Body Height

  1.625 inches maximum

• Functional Terminal Type And Quantity

  2 pin ground 3rd function

• Source Impedance Rating Per Function

  35.0 ohms blank

• Mounting Facility Type And Quantity

  2 slot

• Functional Terminal Type And Quantity

  2 pin output 2nd function

• Overall Length

  3.812 inches maximum

• Average Life Rating In Hours

  5000.0

• Reference Frequency Per Function

  20.006 kilohertz blank

• Distance Between Centerlines Of Mounting Facilities Parallel To Body Width

  1.250 inches nominal

• Principal Circuitry Type Per Function

  inductance-capacitance-resistance blank

• Functional Terminal Type And Quantity

  2 pin input 1st function

• Inclosure Type

  encased

• Mounting Slot Width

  0.250 inches nominal

• Special Features

  terminated by a parallel combination of a 200 k ohm p or m 10 pct resistor and a 100 pf capacitor,1.500 in. distance between mtg holes parallel to body w

• Body Length

  3.687 inches maximum

• Precious Material

  gold