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Technical Data Sheet
12A3 ✓ 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 SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, power_rating: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE, overall_length: 1.240 INCHES MAXIMUM1.240 INCHES MAXIMUM IN, frequency_range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM12.000 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 6240-00-740-8901, 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
12A3
NSN: 6240-00-740-8901
FSC: 6240
CAGE: 71744 — CHICAGO MINIATURE LIGHTING LLC DBA CHICAGO MINIATURE OPTOELECTRON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
power_rating2.0 WATTS AVERAGE2.0 WATTS AVERAGE
overall_length1.240 INCHES MAXIMUM1.240 INCHES MAXIMUM IN
frequency_range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM12.000 GIGAHERTZ MAXIMUM
mounting_methodCONNECTORCONNECTOR
overall_diameter0.390 INCHES NOMINAL0.390 INCHES NOMINAL IN
precious_materialGOLD
surface_treatmentPASSIVATE BODY
application_designTRANSMISSION LINETRANSMISSION LINE
terminal_type_and_quantity2 CONNECTOR2 CONNECTOR
voltage_standing_wave_ratio1.15 AND 1.15 AND 1.251.25
NSN6240-00-740-8901
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,FIXED TITLE COMPONENT PN 12A3 MFR ATTENUATOR,FIXED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
35A1Interchangeable
interchangeable cross-reference
interchangeable
6240PL1337479Interchangeable
interchangeable cross-reference
interchangeable
35AInterchangeable
interchangeable cross-reference
interchangeable
15AInterchangeable
interchangeable cross-reference
interchangeable
C78-393Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12A3?
12A3 is a ATTENUATOR,FIXED.
What parts can replace 12A3?
There are 24 known substitutes for 12A3: 35A1, 6240PL1337479, 35A and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12A3?
12A3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-740-8901. This indicates validated use in U.S. government and defense supply chains.
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