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Technical Data Sheet
PartsTable / COMPONENT / 70-77A
70-77A ✓ 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: 3.250 INCHES NOMINAL IN, body_height: 3.000 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: SLOT SINGLE GROUP, frequency_rating: 50.0 HERTZ NOMINAL OR 60.0 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 5950-01-233-0703, 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
70-77A
NSN: 5950-01-233-0703
FSC: 5950
CAGE: 17032 — VALAD ELECTRIC HEATING CORP. (USA)
SPECIFICATIONS
body_width3.250 INCHES NOMINAL IN
body_height3.000 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodSLOT SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
mounting_slot_width0.125 INCHES NOMINAL SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHEDNOT ESTABLISHED
winding_operating_current454.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
winding_operating_voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity6 WIRE LEAD
NSN5950-01-233-0703
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 70-77A MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING OPERATING CURRENT: 454.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
WINDING OPERATING VOLTAGE: 440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
BODY HEIGHT: 3.000 INCHES NOMINAL IN
•
MOUNTING SLOT WIDTH: 0.125 INCHES NOMINAL SINGLE GROUP IN
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
FREQUENCY RATING: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING CURRENT454.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
WINDING OPERATING VOLTAGE440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
BODY HEIGHT3.000 INCHES NOMINAL IN
MOUNTING SLOT WIDTH0.125 INCHES NOMINAL SINGLE GROUP IN
WINDING OPERATING CURRENT227.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
FREQUENCY RATING50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
MOUNTING METHODSLOT SINGLE GROUP
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
12771Interchangeable
interchangeable cross-reference
interchangeable
4610PL0776825Interchangeable
interchangeable cross-reference
interchangeable
22C1234-1Interchangeable
interchangeable cross-reference
interchangeable
74607Interchangeable
interchangeable cross-reference
interchangeable
7804-0793-1Interchangeable
interchangeable cross-reference
interchangeable
84-0925-1 FIND 16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 70-77A?
70-77A is a TRANSFORMER,POWER.
What parts can replace 70-77A?
There are 10 known substitutes for 70-77A: 12771, 4610PL0776825, 22C1234-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 70-77A?
70-77A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-233-0703. 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