Model: SPEC 12380

Variable Attenuator

Properties:

Application Design
Audio
Body Style
Cylindrical w/side terminals
Overall Length
3.156 inches
Body Diameter
1.844 inches
Shaft Diameter
Between 0.249 inches and 0.251 inches
Shaft Length
1.094 inches
Body Length
2.063 inches
Schematic Diagram Designator
Balanced ladder
Voltage Standing Wave Ratio
1.05
Insertion Loss At Minimum Attenuation In Maximum Decibels
0.5
Overall Attenuation Range In Decibels
+0.0/+30.0
Overall Attenuation Range In Decibels
+0.0 to 30.0
Attenuation Variation Method
Stepped
Step Position Quantity
30
Attenuation Per Step In Decibels
1.0
Mounting Facility Type And Quantity
1 bushing
Frequency Range
Between 7.900 gigahertz and 8.400 gigahertz
Adjustment Device Type And Quantity
1 shaft
Shaft Type
Round
Impedance Rating In Ohms
600.0 input-output
Terminal Type And Quantity
6 tab, solder lug
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-165-3128
Part Number
SPEC 12380
Description
Attenuator,variable
CAGE
28057

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 SPEC 12380 NSN 5985-00-165-3128

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:
--
Paclk Weight:
0.4000lbs
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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