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Technical Data Sheet
PartsTable / COMPONENT / 677-1245-000
677-1245-000 ✓ 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,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.875 INCHES NOMINAL IN, body_height: 0.500 INCHES NOMINAL IN, body_length: 1.125 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 150.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM 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 5950-00-074-4326, 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
677-1245-000
NSN: 5950-00-074-4326
FSC: 5950
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_width0.875 INCHES NOMINAL IN
body_height0.500 INCHES NOMINAL IN
body_length1.125 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating150.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_featuresCASE METAL MATERIAL
nominal_thread_size0.112 INCHES SINGLE GROUP IN
transformer_functionINTERSTAGE
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms2000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_quantity_per_inch40 SINGLE GROUP
NSN5950-00-074-4326
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 677-1245-000 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.112 INCHES SINGLE GROUP IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.825 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
TERMINAL TYPE AND QUANTITY: 5 TAB, SOLDER LUG
•
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
•
BODY WIDTH: 0.875 INCHES NOMINAL IN
•
MAXIMUM TRANSFORMER POWER RATING: 0.5 DECIBELS SINGLE COMPONENT
•
BODY LENGTH: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.112 INCHES SINGLE GROUP IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.825 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY5 TAB, SOLDER LUG
THREAD QUANTITY PER INCH40 SINGLE GROUP
SPECIAL FEATURESCASE METAL MATERIAL
BODY WIDTH0.875 INCHES NOMINAL IN
MAXIMUM TRANSFORMER POWER RATING0.5 DECIBELS SINGLE COMPONENT
BODY LENGTH1.125 INCHES NOMINAL IN
IMPEDANCE RATING IN OHMS5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
44300Interchangeable
interchangeable cross-reference
interchangeable
4H90711-115AInterchangeable
interchangeable cross-reference
interchangeable
20A1199Interchangeable
interchangeable cross-reference
interchangeable
FS4055Interchangeable
interchangeable cross-reference
interchangeable
26351Interchangeable
interchangeable cross-reference
interchangeable
N458U19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 677-1245-000?
677-1245-000 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 677-1245-000?
There are 9 known substitutes for 677-1245-000: 44300, 4H90711-115A, 20A1199 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 677-1245-000?
677-1245-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-074-4326. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026