Model: 990C799H02

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
6.000 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.250 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
0.500 inches
Overall Height
3.750 inches
Overall Width
2.000 inches
Coaxial Connector Series Designation
Bnc
Power Rating
500.0 milliwatts average
Mounting Facility Screw Thread Series Designator
Unc
Overall Attenuation Range In Decibels
+0.0/+120.0
Attenuation Variation Method
Stepped
Step Position Quantity
12
Attenuation Per Step In Decibels
10.0
Mounting Facility Type And Quantity
4 threaded hole
Frequency Range
Between 0.000 gigahertz and 1.000 gigahertz
Overall Attenuation Accuracy In Decibels
-3.00/+3.00
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 knob
Mounting Facility Pattern
Four position rectangular
Mounting Facility Screw Thread Diameter
0.138 inches
Impedance Rating In Ohms
50.0 input-output
Test Data Document
18323-990c7 99h02 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-00-437-6444
Part Number
990C799H02
Description
Attenuator,variable
CAGE
18323

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 990C799H02 NSN 5985-00-437-6444

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:
U
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:
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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