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Technical Data Sheet
677-1378-00 ✓ 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_length: 1.402 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, body_outside_diameter: 0.979 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-682-3818, 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
677-1378-00
NSN: 5950-00-682-3818
FSC: 5950
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_length1.402 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
body_outside_diameter0.979 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
winding_operating_current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity4 PIN
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
maximum_transformer_power_rating17.0 DECIBELS SINGLE COMPONENT
NSN5950-00-682-3818
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 677-1378-00 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING: 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
BODY OUTSIDE DIAMETER: 0.979 INCHES NOMINAL IN
INCLOSURE TYPE: HERMETICALLY SEALED
TERMINAL TYPE AND QUANTITY: 4 PIN
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING: 17.0 DECIBELS SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
FREQUENCY RATING300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
BODY OUTSIDE DIAMETER0.979 INCHES NOMINAL IN
INCLOSURE TYPEHERMETICALLY SEALED
TERMINAL TYPE AND QUANTITY4 PIN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING17.0 DECIBELS SINGLE COMPONENT
BODY LENGTH1.402 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
29257Interchangeable
interchangeable cross-reference
interchangeable
TZ220Interchangeable
interchangeable cross-reference
interchangeable
29275Interchangeable
interchangeable cross-reference
interchangeable
SM-2Interchangeable
interchangeable cross-reference
interchangeable
SM-2BInterchangeable
interchangeable cross-reference
interchangeable
045-1023-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 677-1378-00?
677-1378-00 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 677-1378-00?
There are 22 known substitutes for 677-1378-00: 29257, TZ220, 29275 and 19 more. Substitute compatibility should be verified for your specific system.
Is 677-1378-00 still available?
677-1378-00 is currently cancelled.
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