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Technical Data Sheet
PartsTable / COMPONENT / 278-1839-000
278-1839-000 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.781 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: PLUG-IN SINGLE GROUP, body_outside_diameter: 0.625 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, winding_shielding_method: EXTERNAL INCLOSURE SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-944-9942, 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
278-1839-000
NSN: 5950-00-944-9942
FSC: 5950
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_length0.781 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodPLUG-IN SINGLE GROUP
body_outside_diameter0.625 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
winding_shielding_methodEXTERNAL INCLOSURE SINGLE COMPONENT
terminal_type_and_quantity5 PIN
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN5950-00-944-9942
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 278-1839-000 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
MOUNTING METHOD: PLUG-IN SINGLE GROUP
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
WINDING SHIELDING METHOD: EXTERNAL INCLOSURE SINGLE COMPONENT
•
BODY OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
BODY LENGTH: 0.781 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 5 PIN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
TECHNICAL CHARACTERISTICS (FLIS)
INCLOSURE TYPEHERMETICALLY SEALED
MOUNTING METHODPLUG-IN SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHODEXTERNAL INCLOSURE SINGLE COMPONENT
BODY OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
BODY LENGTH0.781 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY5 PIN
RELIABILITY INDICATORNOT ESTABLISHED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
121S5Interchangeable
interchangeable cross-reference
interchangeable
SF6696Interchangeable
interchangeable cross-reference
interchangeable
T107Interchangeable
interchangeable cross-reference
interchangeable
08459Interchangeable
interchangeable cross-reference
interchangeable
123328Interchangeable
interchangeable cross-reference
interchangeable
44580Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 278-1839-000?
278-1839-000 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 278-1839-000?
There are 13 known substitutes for 278-1839-000: 121S5, SF6696, T107 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 278-1839-000?
278-1839-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-944-9942. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026