Model: 28-2120/33.25

Fixed Attenuator

Properties:

Application Design
Waveguide
Body Material
Copper alloy
Body Style
Rectangular, terminal/terminals on opposite surfaces
Body Surface Treatment
Rhodium plated
Overall Length
2.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 0.528 inches and 0.532 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
Between 0.498 inches and 0.502 inches
Overall Height
Between 0.748 inches and 0.752 inches
Overall Width
Between 0.748 inches and 0.752 inches
Mounting Hole/stud Quantity
4
Inside Width
Between 0.3600 inches and 0.3615 inches
Unthreaded Mounting Hole Diameter
Between 0.116 inches and 0.119 inches
Inside Height
Between 0.2200 inches and 0.2215 inches
Voltage Standing Wave Ratio
1.14
Input Impedance Rating In Ohms
50.0
Output Impedance Rating In Ohms
50.0
Power Rating
0.8 watts average
Rf Signal Attenuation In Decibels
20.0
Voltage Standing Wave Ratio Frequency Range
+26.5/+40.0 gigahertz
Waveguide Flange Type
Cover
Mounting Method
Unthreaded hole
Terminal Type And Quantity
2 flange
Frequency Range
Between 26.500 gigahertz and 40.000 gigahertz
Precious Material And Location
External surfaces rhodium
Precious Material
Rhodium
Fsc Application Data
Antennas, waveguides, and related equip.
NSN
5985-01-343-3119
Part Number
28-2120/33.25
Description
Attenuator,fixed
CAGE
0H379

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 28-2120/33.25 NSN 5985-01-343-3119

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:
P
ESD:
ESD:
MMAC:
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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