Model: 1971971-1

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
10.642 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
8.376 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.100 inches
Overall Height
1.240 inches
Overall Width
2.050 inches
Operating Tempurature Range
-0.0/+55.0 degrees celsius
Voltage Standing Wave Ratio
1.50
Coaxial Connector Series Designation
Bnc
Power Rating
2.0 watts average and 500.0 watts peak
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.9
Overall Attenuation Range In Decibels
+1.0/+11.0
Attenuation Accuracy Reference Frequency
18.0 gigahertz
Attenuation Variation Method
Stepped
Step Position Quantity
11
Attenuation Per Step In Decibels
1.0
Mounting Facility Type And Quantity
6 threaded hole
Frequency Range
Between 0.000 hertz and 18.000 gigahertz
Overall Attenuation Accuracy In Decibels
-0.50/+0.50
Segment Attenuation Range In Decibels
+0.20/+0.50 and +0.30/+0.60 and +0.40/+0.90
Segment Attenuation Accuracy In Decibels
-0.12/+0.12 and -0.30/+0.30 and -0.50/+0.50
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 motor
Mounting Facility Pattern
Four position rectangular
Mounting Facility Screw Thread Diameter
0.138 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-00-476-7313
Part Number
1971971-1
Description
Attenuator,variable
CAGE
55974

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 1971971-1 NSN 5985-00-476-7313

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:
--
Paclk Weight:
5.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
G
LVL_B:
R

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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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