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Technical Data Sheet
NT581 ✓ 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: 2.500 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, body_outside_diameter: 1.812 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-221-2944, 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
NT581
NSN: 5950-00-221-2944
FSC: 5950
CAGE: 07843 — BOGEN COMMUNICATIONS INC (USA)
SPECIFICATIONS
body_length2.500 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
body_outside_diameter1.812 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
winding_operating_current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity4 STANDOFF, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
primary_to_secondary_turn_ratio1 TO 35-3/10 SINGLE COMPONENT
NSN5950-00-221-2944
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN NT581 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING: 300.0 MILLIWATTS SINGLE COMPONENT
BODY LENGTH: 2.500 INCHES NOMINAL IN
FREQUENCY RATING: 250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING CURRENT: 10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
INCLOSURE TYPE: HERMETICALLY SEALED
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
MAXIMUM TRANSFORMER POWER RATING300.0 MILLIWATTS SINGLE COMPONENT
BODY LENGTH2.500 INCHES NOMINAL IN
FREQUENCY RATING250.0 HERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING CURRENT10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
INCLOSURE TYPEHERMETICALLY SEALED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY4 STANDOFF, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
150 43Interchangeable
interchangeable cross-reference
interchangeable
2012-T 43Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
304-130Interchangeable
interchangeable cross-reference
interchangeable
304-0898-000Interchangeable
interchangeable cross-reference
interchangeable
NT581Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NT581?
NT581 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace NT581?
There are 9 known substitutes for NT581: 150 43, 2012-T 43, 1340 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NT581?
NT581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-221-2944. This indicates validated use in U.S. government and defense supply chains.
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