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Technical Data Sheet
PartsTable / COMPONENT / 677042000
677042000 ✓ 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: 1.375 INCHES NOMINAL IN, body_height: 1.844 INCHES NOMINAL IN, body_length: 1.375 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-243-8449, 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
677042000
NSN: 5950-00-243-8449
FSC: 5950
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_width1.375 INCHES NOMINAL IN
body_height1.844 INCHES NOMINAL IN
body_length1.375 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms300.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current45.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-243-8449
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 677042000 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
PRIMARY TO SECONDARY TURN RATIO: 1 TO 4-7/10 SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
PRIMARY TO SECONDARY TURN RATIO1 TO 4-7/10 SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
FREQUENCY RATING300.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY4 STANDOFF, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
FS50103-1811Interchangeable
interchangeable cross-reference
interchangeable
QQA200-11Interchangeable
interchangeable cross-reference
interchangeable
AND10136-1603Interchangeable
interchangeable cross-reference
interchangeable
15486Interchangeable
interchangeable cross-reference
interchangeable
X1548FInterchangeable
interchangeable cross-reference
interchangeable
O6478BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 677042000?
677042000 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 677042000?
There are 12 known substitutes for 677042000: FS50103-1811, QQA200-11, AND10136-1603 and 9 more. Substitute compatibility should be verified for your specific system.
Is 677042000 still available?
677042000 is currently cancelled.
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Last verified: July 2026