Model: 2900851-3

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Irregular
Overall Length
6.610 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
5.350 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.000 inches
Overall Height
1.380 inches
Overall Width
2.500 inches
Voltage Standing Wave Ratio
1.30
Coaxial Connector Series Designation
Sma
Mounting Facility Screw Thread Series Designator
Unc
Overall Attenuation Range In Decibels
+2.0/+62.0
Attenuation Accuracy Reference Frequency
3.3 gigahertz
Attenuation Variation Method
Stepped
Step Position Quantity
5
Attenuation Per Step In Decibels
2.0 and 4.0 and 8.0 and 16.0 and 32.0
Mounting Facility Type And Quantity
8 threaded hole
Frequency Range
Between 3.100 gigahertz and 3.500 gigahertz
Overall Attenuation Accuracy In Decibels
-0.25/+0.25
Mounting Thread Quantity
56 per inch
Adjustment Device Type And Quantity
1 electronic, current controlled and 1 electronic, voltage controlled
Mounting Facility Pattern
Eight position rectangular
Mounting Facility Screw Thread Diameter
0.086 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female and 1 connector, receptacle
NSN
5985-01-260-4167
Part Number
2900851-3
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 2900851-3 NSN 5985-01-260-4167

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.0 X 5.0 X 4.0
Paclk Weight:
3.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
85.0
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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