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Technical Data Sheet
A403B ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ATTENUATOR,FIXED is a the manufacturer industrial component. Key specifications include body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE, overall_length: 2.300 INCHES MAXIMUM IN, frequency_range: 0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM, mounting_method: CONNECTOR, overall_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-781-0314, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A403B
NSN: 5985-00-781-0314
FSC: 5985
CAGE: 64537 — CAES SYSTEMS LLC (USA)
SPECIFICATIONS
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE
overall_length2.300 INCHES MAXIMUM IN
frequency_range0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM
mounting_methodCONNECTOR
overall_diameter0.625 INCHES NOMINAL IN
application_designTRANSMISSION LINE
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
unpackaged_unit_weight1.500 OUNCES OZ
terminal_type_and_quantity2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.25
connection_type_per_functionFEMALE INPUT AND MALE OUTPUT
NSN5985-00-781-0314
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN A403B MFR ATTENUATOR,FIXED
KEY FEATURES
APPLICATION DESIGN: TRANSMISSION LINE
FREQUENCY SENSITIVITY ATTENUATION IN DECIBELS: 0.40
RF SIGNAL ATTENUATION IN DECIBELS: 3.0
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
ATTENUATION ACCURACY IN DECIBELS: -0.40 TO 0.40
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 1.5 GIGAHERTZ
OUTPUT IMPEDANCE RATING IN OHMS: 50.0
TECHNICAL CHARACTERISTICS (FLIS)
APPLICATION DESIGNTRANSMISSION LINE
OVERALL LENGTH2.300 INCHES MAXIMUM IN
FREQUENCY SENSITIVITY ATTENUATION IN DECIBELS0.40
RF SIGNAL ATTENUATION IN DECIBELS3.0
OVERALL DIAMETER0.625 INCHES NOMINAL IN
ATTENUATION ACCURACY IN DECIBELS-0.40 TO 0.40
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 1.5 GIGAHERTZ
OUTPUT IMPEDANCE RATING IN OHMS50.0
MOUNTING METHODCONNECTOR
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7753Interchangeable
interchangeable cross-reference
interchangeable
PS52392Interchangeable
interchangeable cross-reference
interchangeable
52392Interchangeable
interchangeable cross-reference
interchangeable
67-327CInterchangeable
interchangeable cross-reference
interchangeable
806C-10LInterchangeable
interchangeable cross-reference
interchangeable
26423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A403B?
A403B is a ATTENUATOR,FIXED.
What parts can replace A403B?
There are 22 known substitutes for A403B: 7753, PS52392, 52392 and 19 more. Substitute compatibility should be verified for your specific system.
Is A403B still available?
A403B is currently cancelled.
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