Model: 2831457-2

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
3.670 inches
Overall Height
3.848 inches
Overall Width
3.130 inches
First Flat Length
0.300 inches
Flat Height
0.215 inches
Shaft Diameter
0.250 inches
Shaft Length
1.170 inches
Distance Between Mounting Facility Centers
1.250 inches
Operating Tempurature Range
-0.0/+70.0 degrees celsius
Voltage Standing Wave Ratio
1.25
Coaxial Connector Series Designation
Bnc
Power Rating
400.0 milliwatts average
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.3
Overall Attenuation Range In Decibels
+0.0/+100.0
Attenuation Accuracy Reference Frequency
100.0 megahertz
Attenuation Variation Method
Stepped
Step Position Quantity
10
Attenuation Per Step In Decibels
10.0
Mounting Facility Type And Quantity
2 threaded hole
Frequency Range
Between 10.000 megahertz and 500.000 megahertz
Overall Attenuation Accuracy In Decibels
-0.09/+0.09
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 shaft
Mounting Facility Pattern
Two position in-line
Shaft Type
Round, flatted
Mounting Facility Screw Thread Diameter
0.164 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-00-881-9391
Part Number
2831457-2
Description
Attenuator,variable
CAGE
10001

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 overall 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).

Part 2831457-2 NSN 5985-00-881-9391

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00838
FIIG:
A223A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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