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Technical Data Sheet
A981S ✓ 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 AND 200.0 WATTS PEAK, overall_length: 1.240 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTOR, overall_diameter: 0.380 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-161-1975, 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
A981S
NSN: 5985-01-161-1975
FSC: 5985
CAGE: 64537 — CAES SYSTEMS LLC (USA)
SPECIFICATIONS
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
overall_length1.240 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTOR
overall_diameter0.380 INCHES NOMINAL IN
application_designTRANSMISSION LINE
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
operating_temp_range-65.0 TO 105.0 CELSIUS DEGC
unpackaged_unit_weight0.500 OUNCES OZ
terminal_type_and_quantity2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.30 AND 1.35
NSN5985-01-161-1975
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN A981S MFR ATTENUATOR,FIXED
KEY FEATURES
OUTPUT IMPEDANCE RATING IN OHMS: 50.0
CONNECTION TYPE PER FUNCTION: FEMALE INPUT AND MALE OUTPUT
UNPACKAGED UNIT WEIGHT: 0.500 OUNCES OZ
INPUT IMPEDANCE RATING IN OHMS: 50.0
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
COAXIAL CONNECTOR SERIES DESIGNATION: SMA
ATTENUATION ACCURACY IN DECIBELS: -0.40 TO 0.40
POWER RATING: 2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
TECHNICAL CHARACTERISTICS (FLIS)
OUTPUT IMPEDANCE RATING IN OHMS50.0
CONNECTION TYPE PER FUNCTIONFEMALE INPUT AND MALE OUTPUT
UNPACKAGED UNIT WEIGHT0.500 OUNCES OZ
INPUT IMPEDANCE RATING IN OHMS50.0
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
ATTENUATION ACCURACY IN DECIBELS-0.40 TO 0.40
POWER RATING2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
OVERALL LENGTH1.240 INCHES NOMINAL IN
OPERATING TEMP RANGE-65.0 TO 105.0 CELSIUS DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
920RN04101SInterchangeable
interchangeable cross-reference
interchangeable
71-TM-04201-SInterchangeable
interchangeable cross-reference
interchangeable
4XX9-2Interchangeable
interchangeable cross-reference
interchangeable
201299Interchangeable
interchangeable cross-reference
interchangeable
A3103Interchangeable
interchangeable cross-reference
interchangeable
T772Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A981S?
A981S is a ATTENUATOR,FIXED.
What parts can replace A981S?
There are 14 known substitutes for A981S: 920RN04101S, 71-TM-04201-S, 4XX9-2 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A981S?
A981S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-161-1975. This indicates validated use in U.S. government and defense supply chains.
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