Model: DA0309-1

Variable Attenuator

Properties:

Application Design
Printed circuit board
Body Style
Rectangular, terminals on one surface
Overall Length
0.827 inches
Overall Height
0.420 inches
Overall Width
0.627 inches
Voltage Standing Wave Ratio
1.40
Insertion Loss At Minimum Attenuation In Maximum Decibels
2.0
Overall Attenuation Range In Decibels
+0.0/+27.0
Attenuation Variation Method
Stepped
Step Position Quantity
3
Attenuation Per Step In Decibels
3.0 and 21.0 and 3.0
Mounting Facility Type And Quantity
15 terminal
Frequency Range
Between 520.000 megahertz and 560.000 megahertz
Adjustment Device Type And Quantity
1 electronic, programmable
Impedance Rating In Ohms
50.0 input-output
Precious Material And Location
Pin surface gold
Precious Material
Gold
Terminal Type And Quantity
15 pin
Fsc Application Data
Antennas, waveguides and related equipment
NSN
5985-01-343-3653
Part Number
DA0309-1
Description
Attenuator,variable
CAGE
28983

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 DA0309-1 NSN 5985-01-343-3653

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:
G
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:
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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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