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Technical Data Sheet
PartsTable / COMPONENT / C16543
C16543 ✓ 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,POWER is a the manufacturer industrial component. Key specifications include overall_width: 1.255 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_height: 1.415 INCHES MINIMUM AND 1.445 INCHES MAXIMUM IN, overall_length: 1.395 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ 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 5950-00-275-7038, 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
C16543
NSN: 5950-00-275-7038
FSC: 5950
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
overall_width1.255 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height1.415 INCHES MINIMUM AND 1.445 INCHES MAXIMUM IN
overall_length1.395 INCHES MINIMUM AND 1.455 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
winding_power_rating15.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
mounting_hole_diameter0.111 INCHES MINIMUM AND 0.121 INCHES MAXIMUM SINGLE GROUP IN
winding_operating_current420.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage33.25 AC VOLTS MINIMUM AND 36.75 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-275-7038
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN C16543 MFR TRANSFORMER,POWER
KEY FEATURES
•
FREQUENCY RATING: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
•
INCLOSURE TYPE: FULLY INCLOSED
•
WINDING POWER RATING: 15.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.165 INCHES MINIMUM AND 1.195 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
WINDING OPERATING VOLTAGE: 33.25 AC VOLTS MINIMUM AND 36.75 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
WINDING OPERATING CURRENT: 420.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY RATING380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
WINDING POWER RATING15.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
OVERALL WIDTH1.255 INCHES MINIMUM AND 1.285 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.165 INCHES MINIMUM AND 1.195 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
WINDING OPERATING VOLTAGE33.25 AC VOLTS MINIMUM AND 36.75 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
WINDING OPERATING CURRENT420.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY5 TURRET
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
7283Interchangeable
interchangeable cross-reference
interchangeable
653Interchangeable
interchangeable cross-reference
interchangeable
3247Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-55021/1Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-55021/1Interchangeable
interchangeable cross-reference
interchangeable
BJ16C9-0-2SPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C16543?
C16543 is a TRANSFORMER,POWER.
What parts can replace C16543?
There are 19 known substitutes for C16543: 7283, 653, 3247 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C16543?
C16543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-275-7038. 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