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B1545 ✓ 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 REACTOR-TRANSFORMER is a the manufacturer industrial component. Key specifications include overall_width: 1.500 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, overall_height: 3.250 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 0.3 KILOHERTZ MINIMUM AND 4.0 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 5950-00-153-5694, 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
B1545
NSN: 5950-00-153-5694
FSC: 5950
CAGE: 00750 — AIR TRACK MFG CORP (USA)
SPECIFICATIONS
overall_width1.500 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
overall_height3.250 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
inductance_rating20.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
reliability_indicatorNOT ESTABLISHED
winding_operating_current10.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING
terminal_type_and_quantity9 SOLDER STUD
dc_resistance_rating_in_ohms890.000 SINGLE COMPONENT SINGLE WINDING
primary_to_secondary_turn_ratio4.45 TO 1 SINGLE COMPONENT
NSN5950-00-153-5694
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR-TRANSFORMER TITLE COMPONENT PN B1545 MFR REACTOR-TRANSFORMER
KEY FEATURES
•
DC RESISTANCE RATING IN OHMS: 890.000 SINGLE COMPONENT SINGLE WINDING
•
FREQUENCY RATING: 0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
WINDING OPERATING CURRENT: 10.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING
•
PRIMARY TO SECONDARY TURN RATIO: 4.45 TO 1 SINGLE COMPONENT
•
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
•
INDUCTANCE RATING: 20.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
DC RESISTANCE RATING IN OHMS890.000 SINGLE COMPONENT SINGLE WINDING
OVERALL HEIGHT3.250 INCHES NOMINAL IN
FREQUENCY RATING0.3 KILOHERTZ MINIMUM AND 4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
WINDING OPERATING CURRENT10.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING
PRIMARY TO SECONDARY TURN RATIO4.45 TO 1 SINGLE COMPONENT
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
INDUCTANCE RATING20.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
OVERALL LENGTH1.500 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY9 SOLDER STUD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5441-4Interchangeable
interchangeable cross-reference
interchangeable
1N1771AInterchangeable
interchangeable cross-reference
interchangeable
510142PInterchangeable
interchangeable cross-reference
interchangeable
510142Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
B1545EInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1545?
B1545 is a REACTOR-TRANSFORMER.
What parts can replace B1545?
There are 6 known substitutes for B1545: 5441-4, 1N1771A, 510142P and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1545?
B1545 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-153-5694. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026