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Technical Data Sheet
51991 ✓ Verified by PartsTable
UNYKAch · 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

UNYKAch ITX 150W power supply offers high performance with less than 0.5W consumption. Its multiple protection systems guarantee its security and stability. Key specifications include material: STEEL, mesh_size: 20.0, body_width: 0.600 INCHES NOMINAL IN, body_height: 0.650 INCHES NOMINAL IN, body_length: 0.800 INCHES NOMINAL IN, temp_rating: 460.0 FAHRENHEIT NOMINAL DEGF.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-836-9724, 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
51991
NSN: 5950-00-836-9724
FSC: 5950
CAGE: 1L8V1 — MAGNETIKA INC DIV MAGNETIKA/PHILLIPSBURG LOCATION (USA)
SPECIFICATIONS
materialSTEEL
mesh_size20.0
body_width0.600 INCHES NOMINAL IN
body_height0.650 INCHES NOMINAL IN
body_length0.800 INCHES NOMINAL IN
temp_rating460.0 FAHRENHEIT NOMINAL DEGF
mounting_typeINLET CONNECTION AND OUTLET CONNECTION UPPER SIDE
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length75.687 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
frequency_rating516.0 KILOHERTZ MINIMUM AND 564.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
NSN5950-00-836-9724
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: UNYKAch TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 51991 MFR UNYKAch TRANSFORMER,RADIO FREQ
KEY FEATURES
BODY HEIGHT: 0.650 INCHES NOMINAL IN
BODY WIDTH: 0.600 INCHES NOMINAL IN
FREQUENCY RATING: 516.0 KILOHERTZ MINIMUM AND 564.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY: 5 PIN
BODY LENGTH: 0.800 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
RELIABILITY INDICATOR: NOT ESTABLISHED
COIL FORM TYPE: SOLID SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT0.650 INCHES NOMINAL IN
BODY WIDTH0.600 INCHES NOMINAL IN
FREQUENCY RATING516.0 KILOHERTZ MINIMUM AND 564.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
TERMINAL TYPE AND QUANTITY5 PIN
BODY LENGTH0.800 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
COIL FORM TYPESOLID SINGLE COMPONENT
MOUNTING METHODTERMINAL SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
51991Interchangeable
interchangeable cross-reference
interchangeable
51991-5305Interchangeable
interchangeable cross-reference
interchangeable
51991-1Interchangeable
interchangeable cross-reference
interchangeable
BT-3/4Interchangeable
interchangeable cross-reference
interchangeable
51991-23-5Interchangeable
interchangeable cross-reference
interchangeable
51991-23.5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51991?
51991 is a TRANSFORMER,RADIO FREQUENCY manufactured by UNYKAch.
What parts can replace 51991?
There are 7 known substitutes for 51991: 51991, 51991-5305, 51991-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51991?
51991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-836-9724. This indicates validated use in U.S. government and defense supply chains.
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