Model: RA556

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
5.530 inches
Overall Height
2.190 inches
Overall Width
1.880 inches
Distance Between Mounting Facility Centers
1.120 inches
Operating Tempurature Range
-20.0/+85.0 degrees celsius
Voltage Standing Wave Ratio
1.15
Coaxial Connector Series Designation
Sm
Power Rating
1.0 kilowatts peak
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.6
Overall Attenuation Range In Decibels
+0.0/+11.0
Attenuation Accuracy Reference Frequency
500.0 megahertz
Attenuation Variation Method
Stepped
Step Position Quantity
110
Attenuation Per Step In Decibels
0.1
Mounting Facility Type And Quantity
2 threaded hole
Frequency Range
Between 0.000 megahertz and 500.000 megahertz
Overall Attenuation Accuracy In Decibels
-0.03/+0.30
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 knob
Mounting Facility Pattern
Two position in-line
Mounting Facility Screw Thread Diameter
0.164 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
2 connector, coaxial, female
NSN
5985-00-195-1796
Part Number
RA556
Description
Attenuator,variable
CAGE
23042

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 RA556 NSN 5985-00-195-1796

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:
8.0 X 6.0 X 6.0
Paclk Weight:
1.8000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
069100
UFC:
21275
LTL:
100.0
LCL:
100.0
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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