Model: 8491B20

Fixed Attenuator

Properties:

Application Design
Transmission line
Body Material
Steel, stainless
Body Style
1b round, terminal/terminals in opposite surface
Body Style
Round, terminal/terminals in opposite surface
Body Surface Treatment
Passivated
Overall Length
2.680 inches
Overall Diameter
0.840 inches
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Voltage Standing Wave Ratio
1.15 and 1.20 and 1.25 and 1.40
Input Impedance Rating In Ohms
50.0
Output Impedance Rating In Ohms
50.0
Coaxial Connector Series Designation
N
Power Rating
5.0 watts average and 1.0 kilowatts peak
Rf Signal Attenuation In Decibels
20.0
Voltage Standing Wave Ratio Frequency Range
+0.0/+4.0 gigahertz and +4.0/+8.0 gigahertz and +8.0/+12.4 gigahertz and +12.4/+18.0 gigahertz
Attenuation Accuracy Reference Frequency
18.0 gigahertz
Attenuation Accuracy In Decibels
-0.50/+0.50
Connection Type Per Function
Female input and male output
Unpackaged Unit Weight
2.600 ounces
Mounting Method
Connector
Terminal Type And Quantity
2 connector
Frequency Range
Between 0.000 hertz and 18.000 gigahertz
Precious Material And Location
Contact surfaces gold
Precious Material
Gold
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-454-6924
Part Number
8491B20
Description
Attenuator,fixed
CAGE
28480

A device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion, by maintaining correct impedance match.

Part 8491B20 NSN 5985-00-454-6924

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14224
FIIG:
A20000
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:
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:
060535
UFC:
06330
LTL:
RATING VARIABLE
LCL:
--
WCC:
723
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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