Model: 228076-4

Variable Attenuator

Properties:

Application Design
Transmission line
Body Material
Aluminum alloy
Body Style
Coaxial type
Overall Length
3.200 inches
Overall Height
2.120 inches
Overall Width
1.310 inches
Shaft Diameter
0.250 inches
Shaft Length
0.930 inches
Operating Tempurature Range
-55.0/+85.0 degrees celsius
End Application
Test set, radar receiver an/alm-140
Voltage Standing Wave Ratio
1.30
Coaxial Connector Series Designation
Sma
Power Rating
3.0 watts average and 200.0 watts peak
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.2
Overall Attenuation Range In Decibels
+0.0/+60.0
Attenuation Variation Method
Stepped
Step Position Quantity
10
Attenuation Per Step In Decibels
10.0
Mounting Facility Type And Quantity
4 threaded hole
Frequency Range
Between 0.000 hertz and 2.000 gigahertz
Overall Attenuation Accuracy In Decibels
-1.80/+1.80
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 knob and 1 shaft
Shaft Type
Round
Mounting Facility Screw Thread Diameter
0.138 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, male
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-520-3974
Part Number
228076-4
Description
Attenuator,variable
CAGE
37695

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 228076-4 NSN 5985-00-520-3974

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:
AW
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
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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