Model: B4859-1

Variable Attenuator

Properties:

Application Design
Audio
Body Style
Cylindrical w/side terminals
Overall Length
3.225 inches
Overall Width
3.225 inches
Body Diameter
2.125 inches
Shaft Diameter
0.250 inches
Bushing Length
0.500 inches
Shaft Length
1.000 inches
Body Length
2.225 inches
Schematic Diagram Designator
C
Operating Tempurature Range
-55.0/+125.0 degrees celsius
Power Rating
2.0 watts average
Mounting Facility Screw Thread Series Designator
Unc
Overall Attenuation Range In Decibels
+0.0/+40.0
Attenuation Variation Method
Stepped
Step Position Quantity
20
Attenuation Per Step In Decibels
2.0
Mounting Facility Type And Quantity
1 threaded bushing
Frequency Range
Between 30.000 hertz and 200.000 hertz
Overall Attenuation Accuracy In Decibels
-1.00/+1.00
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 shaft
Shaft Type
Round, slotted
Mounting Facility Screw Thread Diameter
0.138 inches
Impedance Rating In Ohms
600.0 input-output
Terminal Type And Quantity
3 tab, solder lug
NSN
5985-00-238-9291
Part Number
B4859-1
Description
Attenuator,variable
CAGE
83332

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 B4859-1 NSN 5985-00-238-9291

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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