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Technical Data Sheet
4779-12 ✓ 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 material: STEEL CORROSION RESISTING BODY, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE, overall_length: 1.240 INCHES MAXIMUM IN, frequency_range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-215-4719, 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
4779-12
NSN: 5985-01-215-4719
FSC: 5985
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE
overall_length1.240 INCHES MAXIMUM IN
frequency_range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTOR
overall_diameter0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatmentPASSIVATE BODY
application_designTRANSMISSION LINE
operating_temp_range-65.0 TO 105.0 CELSIUS DEGC
terminal_type_and_quantity2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.30 AND 1.35
NSN5985-01-215-4719
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN 4779-12 MFR ATTENUATOR,FIXED
KEY FEATURES
OUTPUT IMPEDANCE RATING IN OHMS: 50.0
FREQUENCY RANGE: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
RF SIGNAL ATTENUATION IN DECIBELS: 12.0
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
VOLTAGE STANDING WAVE RATIO: 1.15 AND 1.30 AND 1.35
BODY STYLE: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
COAXIAL CONNECTOR SERIES DESIGNATION: SMA
TECHNICAL CHARACTERISTICS (FLIS)
OUTPUT IMPEDANCE RATING IN OHMS50.0
FREQUENCY RANGE0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
RF SIGNAL ATTENUATION IN DECIBELS12.0
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
VOLTAGE STANDING WAVE RATIO1.15 AND 1.30 AND 1.35
BODY STYLEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
OVERALL LENGTH1.240 INCHES MAXIMUM IN
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
OVERALL DIAMETER0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
POWER RATING2.0 WATTS AVERAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31116Interchangeable
interchangeable cross-reference
interchangeable
SMB331485-5Interchangeable
interchangeable cross-reference
interchangeable
6L1022-24FA5Interchangeable
interchangeable cross-reference
interchangeable
50-6212Interchangeable
interchangeable cross-reference
interchangeable
249318Interchangeable
interchangeable cross-reference
interchangeable
A789BSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4779-12?
4779-12 is a ATTENUATOR,FIXED.
What parts can replace 4779-12?
There are 9 known substitutes for 4779-12: 31116, SMB331485-5, 6L1022-24FA5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4779-12?
4779-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-215-4719. This indicates validated use in U.S. government and defense supply chains.
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