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Technical Data Sheet
PartsTable / COMPONENT / BACT20D12
BACT20D12 ✓ 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: 1.188 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 30.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT, body_outside_diameter: 0.875 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-518-1135, 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
BACT20D12
NSN: 5950-00-518-1135
FSC: 5950
CAGE: 08903 — THE BOEING COMPANY (USA)
SPECIFICATIONS
body_length1.188 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating30.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
body_outside_diameter0.875 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms50.0 NOMINAL AND 250.0 NOMINAL AND 500.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity8 TAB, SOLDER LUG
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
distance_between_mounting_facility_centers0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5950-00-518-1135
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN BACT20D12 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
FREQUENCY RATING: 30.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
•
BODY LENGTH: 1.188 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
TERMINAL TYPE AND QUANTITY: 8 TAB, SOLDER LUG
•
IMPEDANCE RATING IN OHMS: 50.0 NOMINAL AND 250.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
INCLOSURE TYPEHERMETICALLY SEALED
FREQUENCY RATING30.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
BODY LENGTH1.188 INCHES NOMINAL IN
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TERMINAL TYPE AND QUANTITY8 TAB, SOLDER LUG
IMPEDANCE RATING IN OHMS50.0 NOMINAL AND 250.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
BODY OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
NWRC9BInterchangeable
interchangeable cross-reference
interchangeable
A52491-43Interchangeable
interchangeable cross-reference
interchangeable
9BInterchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
2012-T 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACT20D12?
BACT20D12 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace BACT20D12?
There are 18 known substitutes for BACT20D12: NWRC9B, A52491-43, 9B and 15 more. Substitute compatibility should be verified for your specific system.
Is BACT20D12 still available?
BACT20D12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026