Model: 18A-3DB

Fixed Attenuator

Special Features:

Weapon system essential

Properties:

Application Design
Transmission line
Body Material
Steel, stainless
Body Style
1b round, terminal/terminals in opposite surface
Overall Length
0.860 inches
Overall Diameter
0.280 inches
Operating Tempurature Range
-65.0/+125.0 degrees celsius
End Application
Wasp class lhd; nimitz class cvn; an/wlr-1h surface countermeasure receiver set; u-2 support equipment; sturgeon class ssn (637); an/apr-4 (v) radar warning system; an/wsc-6 shf satcom radio; an/msr-t4; forrestal class cv
Voltage Standing Wave Ratio
1.07
Input Impedance Rating In Ohms
50.0
Output Impedance Rating In Ohms
50.0
Coaxial Connector Series Designation
Sma
Power Rating
2.0 watts average
Rf Signal Attenuation In Decibels
3.0
Voltage Standing Wave Ratio Frequency Range
+0.0/+18.0 gigahertz
Attenuation Accuracy Reference Frequency
18.0 gigahertz
Attenuation Accuracy In Decibels
-0.30/+0.30
Mounting Method
Connector
Terminal Type And Quantity
2 connector
Frequency Range
Between 0.000 hertz and 18.000 gigahertz
Criticality Code Justification
Feat
Precious Material And Location
Surfaces gold
Precious Material
Gold
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-01-052-0785
Part Number
18A-3DB
Description
Attenuator,fixed
CAGE
64671

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 18A-3DB NSN 5985-01-052-0785

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:
Y

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:
M
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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