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Variable Attenuator

Model / MPN: 146461-001 | NSN: 5985-01-175-1878
ITAR Registered seal

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Application Design
Transmission line
Body Style
Overall Length
2.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.844 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.175 inches
Overall Height
0.500 inches
Overall Width
1.625 inches
Voltage Standing Wave Ratio
Coaxial Connector Series Designation
Power Rating
5.0 watts average and 3.0 kilowatts peak
Mounting Facility Screw Thread Series Designator
Insertion Loss At Minimum Attenuation In Maximum Decibels
Overall Attenuation Range In Decibels
Attenuation Variation Method
Mounting Facility Type And Quantity
4 threaded hole
Frequency Range
Between 2.000 gigahertz and 2.400 gigahertz
Overall Attenuation Accuracy In Decibels
Mounting Thread Quantity
40 per inch
Adjustment Device Type And Quantity
1 slotted screw
Mounting Facility Pattern
Four position rectangular
Mounting Facility Screw Thread Diameter
0.112 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
146461 Series Parts

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146461-001 Cross Reference
  • 4814-20
  • 47A529806P9