Model: 9937

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
2.087 inches
Bolt Circle Diameter
1.187 inches
Overall Height
1.577 inches
Overall Width
1.324 inches
Voltage Standing Wave Ratio
1.25
Coaxial Connector Series Designation
Sma
Power Rating
1.0 watts average and 100.0 kilowatts peak
Mounting Facility Screw Thread Series Designator
Unf
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.3
Overall Attenuation Range In Decibels
+0.0/+10.0
Attenuation Variation Method
Stepped
Step Position Quantity
10
Attenuation Per Step In Decibels
1.0
Mounting Facility Type And Quantity
3 threaded stud
Frequency Range
Between 0.000 hertz and 2.000 gigahertz
Overall Attenuation Accuracy In Decibels
-3.00/+3.00
Mounting Thread Quantity
56 per inch
Adjustment Device Type And Quantity
1 knob w/dial
Mounting Facility Pattern
Three position circular
Mounting Facility Screw Thread Diameter
0.086 inches
Impedance Rating In Ohms
50.0 input-output
Precious Material And Location
Body surface gold
Precious Material
Gold
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-01-174-1237
Part Number
9937
Description
Attenuator,variable
CAGE
93459

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 9937 NSN 5985-01-174-1237

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:
G
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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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