Model: AR3221

Variable Attenuator

Special Features:

Attenuation varied by push-pull shaft motion

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
6.937 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
5.625 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.625 inches
Overall Height
6.035 inches
Overall Width
1.250 inches
First Flat Length
0.219 inches
Flat Height
0.200 inches
Shaft Diameter
0.249 inches
Shaft Length
1.410 inches
Operating Tempurature Range
+0.0/+55.0 degrees celsius
Voltage Standing Wave Ratio
1.50
Coaxial Connector Series Designation
N
Power Rating
50.0 watts average and 8.0 kilowatts peak
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.5
Overall Attenuation Range In Decibels
+0.0/+40.0
Attenuation Variation Method
Continuous
Mounting Facility Type And Quantity
4 threaded hole
Frequency Range
Between 925.000 megahertz and 1.225 gigahertz
Mounting Thread Quantity
40 per inch
Adjustment Device Type And Quantity
1 shaft
Mounting Facility Pattern
Four position rectangular
Shaft Type
Round, flatted
Mounting Facility Screw Thread Diameter
0.112 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, male
NSN
5985-00-597-2464
Part Number
AR3221
Description
Attenuator,variable
CAGE
09992

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 AR3221 NSN 5985-00-597-2464

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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
100.0
LCL:
--
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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