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Variable Attenuators
Part 2989
Model #2989
Variable attenuator (NSN 5985-00-351-3495)
Application Design
Audio
Body Diameter
2.250 inches
Distance Between Mounting Facility Centers
1.500 inches
Power Rating
500.0 milliwatts average
Mounting Facility Screw Thread Series Designator
Unc
Overall Attenuation Range In Decibels
+0.0/+60.0
Attenuation Variation Method
Stepped
Step Position Quantity
12
Attenuation Per Step In Decibels
5.0
Mounting Facility Type And Quantity
2 threaded hole
Frequency Range
Between 0.000 kilohertz and 20.000 kilohertz
Overall Attenuation Accuracy In Decibels
-0.30/+0.30
Mounting Thread Quantity
32 per inch
Mounting Facility Pattern
Two position in-line
Mounting Facility Screw Thread Diameter
0.164 inches
Impedance Rating In Ohms
600.0 input-output
Terminal Type And Quantity
3 tab, solder lug
Description
Attenuator,variable
Cage Code
58880
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Part Number:
2989
NSN 5985-00-351-3495
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Updated: 06/26/2024