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PartsTable / COMPONENT / PEI 7781
PEI 7781 ✓ 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 body_width: 4.260 INCHES NOMINAL IN, body_height: 6.250 INCHES NOMINAL IN, body_length: 7.500 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: CORE AND THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL 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 5950-00-497-8605, 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
PEI 7781
NSN: 5950-00-497-8605
FSC: 5950
CAGE: 13483 — PRECISION ELECTRONICS, INC (USA)
SPECIFICATIONS
body_width4.260 INCHES NOMINAL IN
body_height6.250 INCHES NOMINAL IN
body_length7.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodCORE AND THREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.190 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp110.0 CELSIUS DEGC
thread_series_designatorUNF SINGLE GROUP
winding_operating_current180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
winding_operating_voltage3.80 AC KILOVOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
NSN5950-00-497-8605
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN PEI 7781 MFR TRANSFORMER,POWER
KEY FEATURES
•
BODY HEIGHT: 6.250 INCHES NOMINAL IN
•
WINDING OPERATING CURRENT: 180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
•
WINDING OPERATING VOLTAGE: 3.80 AC KILOVOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY WIDTH: 4.260 INCHES NOMINAL IN
•
MAXIMUM OPERATING TEMP: 110.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT6.250 INCHES NOMINAL IN
WINDING OPERATING CURRENT180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
WINDING OPERATING VOLTAGE3.80 AC KILOVOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
RELIABILITY INDICATORNOT ESTABLISHED
BODY WIDTH4.260 INCHES NOMINAL IN
MAXIMUM OPERATING TEMP110.0 CELSIUS DEGC
WINDING OPERATING VOLTAGE1.20 AC KILOVOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE870.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
THREAD SERIES DESIGNATORUNF SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
9565-10ISSUEBInterchangeable
interchangeable cross-reference
interchangeable
16050Interchangeable
interchangeable cross-reference
interchangeable
JS-1Interchangeable
interchangeable cross-reference
interchangeable
52771Interchangeable
interchangeable cross-reference
interchangeable
SN-42Interchangeable
interchangeable cross-reference
interchangeable
11969E6SH6PC198Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PEI 7781?
PEI 7781 is a TRANSFORMER,POWER.
What parts can replace PEI 7781?
There are 19 known substitutes for PEI 7781: 9565-10ISSUEB, 16050, JS-1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PEI 7781?
PEI 7781 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-497-8605. 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