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Technical Data Sheet
PartsTable / COMPONENT / 388-6DB
388-6DB ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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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 SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK, overall_length: 2.460 INCHES NOMINAL2.460 INCHES NOMINAL IN, frequency_range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM, mounting_method: CONNECTORCONNECTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-054-4746, 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
388-6DB
NSN: 5985-01-054-4746
FSC: 5985
CAGE: 34078 — CINCH CONNECTIVITY SOLUTIONS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
overall_length2.460 INCHES NOMINAL2.460 INCHES NOMINAL IN
frequency_range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTORCONNECTOR
overall_diameter0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
application_designTRANSMISSION LINETRANSMISSION LINE
terminal_type_and_quantity2 CONNECTOR2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.15 AND 1.20 AND 1.20 AND 1.25 AND 1.25 AND 1.401.40
connection_type_per_functionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
input_impedance_rating_in_ohms50.050.0
NSN5985-01-054-4746
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN 388-6DB MFR ATTENUATOR,FIXED
KEY FEATURES
•
APPLICATION DESIGN: TRANSMISSION LINETRANSMISSION LINE
•
POWER RATING: 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
•
COAXIAL CONNECTOR SERIES DESIGNATION: NN
•
FREQUENCY RANGE: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
•
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE: +0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
•
OVERALL DIAMETER: 0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
•
RF SIGNAL ATTENUATION IN DECIBELS: 6.06.0
•
CONNECTION TYPE PER FUNCTION: FEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
TECHNICAL CHARACTERISTICS (FLIS)
APPLICATION DESIGNTRANSMISSION LINETRANSMISSION LINE
POWER RATING2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
COAXIAL CONNECTOR SERIES DESIGNATIONNN
FREQUENCY RANGE0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
VOLTAGE STANDING WAVE RATIO FREQUENCY RANGE+0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
OVERALL DIAMETER0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
RF SIGNAL ATTENUATION IN DECIBELS6.06.0
CONNECTION TYPE PER FUNCTIONFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
OUTPUT IMPEDANCE RATING IN OHMS50.050.0
TERMINAL TYPE AND QUANTITY2 CONNECTOR2 CONNECTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
QA62605Interchangeable
interchangeable cross-reference
interchangeable
25904Interchangeable
interchangeable cross-reference
interchangeable
M285Interchangeable
interchangeable cross-reference
interchangeable
121-B-12Interchangeable
interchangeable cross-reference
interchangeable
7121B1-4Interchangeable
interchangeable cross-reference
interchangeable
973B197H01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 388-6DB?
388-6DB is a ATTENUATOR,FIXED.
What parts can replace 388-6DB?
There are 11 known substitutes for 388-6DB: QA62605, 25904, M285 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 388-6DB?
388-6DB is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-054-4746. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026