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Technical Data Sheet
A7553 ✓ 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: 2.031 INCHES NOMINAL IN, body_height: 3.094 INCHES NOMINAL IN, body_length: 2.281 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ MINIMUM AND 8.0 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 5950-00-647-6269, 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
A7553
NSN: 5950-00-647-6269
FSC: 5950
CAGE: 00144 — TE CONNECTIVITY NETWORKS, INC. DIV ADC TELECOMMUNICATIONS SALES, INC. (USA)
SPECIFICATIONS
body_width2.031 INCHES NOMINAL IN
body_height3.094 INCHES NOMINAL IN
body_length2.281 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating400.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_featuresBLUE; NONWOVEN WITH ADHESIVE STRIP; 26 INCH LENGTH; 19-3/4 INCH WIDTH; STERILE; DISPOSABLE; NONABSORBENT; WATER REPELLENT WRAP BAG; 2 PACKAGES OF 2 EACH IN
component_quantity4
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
unit_package_quantity2
impedance_rating_in_ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-647-6269
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN A7553 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
FREQUENCY RATING: 400.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
BODY WIDTH: 2.031 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
FREQUENCY RATING400.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
BODY WIDTH2.031 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
PRIMARY TO SECONDARY TURN RATIO1 TO 13 SINGLE COMPONENT
THREAD QUANTITY PER INCH32 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
7553Interchangeable
interchangeable cross-reference
interchangeable
A7553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7553?
A7553 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace A7553?
There are 2 known substitutes for A7553: 7553, A7553. Substitute compatibility should be verified for your specific system.
What is the NSN for A7553?
A7553 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-647-6269. This indicates validated use in U.S. government and defense supply chains.
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