Model: MD4253D

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Coaxial type
Overall Length
Any acceptable
Center To Center Distance Between Mounting Facilities Parallel To Length
3.750 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.230 inches
Overall Height
1.500 inches
Overall Width
Any acceptable
Scale Linearity
Linear
Unthreaded Mounting Hole Diameter
0.164 inches
Operating Tempurature Range
-10.0/+65.0 degrees celsius
Voltage Standing Wave Ratio
1.50
Coaxial Connector Series Designation
N or bnc
Overall Attenuation Range In Decibels
+0.0/+40.0
Attenuation Variation Method
Continuous
Mounting Facility Type And Quantity
4 unthreaded hole
Frequency Range
Between 2.700 gigahertz and 2.900 gigahertz
Adjustment Device Type And Quantity
1 lever
Mounting Facility Pattern
Four position rectangular
Impedance Rating In Ohms
75.0 input-output
Terminal Type And Quantity
2 connector, coaxial, male
NSN
5985-01-068-9550
Part Number
MD4253D
Description
Attenuator,variable
CAGE
32187

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 MD4253D NSN 5985-01-068-9550

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:
1.5000lbs
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:
RATING VARIABLE
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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