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Technical Data Sheet
MB1388D ✓ 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: 2.875 INCHES NOMINAL IN, inclosure_type: PARTIALLY INCLOSED, DOUBLE SHELL, overall_height: 3.562 INCHES NOMINAL IN, overall_length: 3.625 INCHES NOMINAL IN, mounting_method: SLOT SINGLE GROUP, frequency_rating: 50.0 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 5950-00-133-2922, 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
MB1388D
NSN: 5950-00-133-2922
FSC: 5950
CAGE: 50423 — BALLANTINE LABORATORIES INC (USA)
SPECIFICATIONS
overall_width2.875 INCHES NOMINAL IN
inclosure_typePARTIALLY INCLOSED, DOUBLE SHELL
overall_height3.562 INCHES NOMINAL IN
overall_length3.625 INCHES NOMINAL IN
mounting_methodSLOT SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
mounting_slot_width0.188 INCHES NOMINAL SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
winding_shielding_methodCORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
winding_operating_current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
winding_operating_voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
mounting_facility_quantity4 SINGLE GROUP
NSN5950-00-133-2922
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN MB1388D MFR TRANSFORMER,POWER
KEY FEATURES
WINDING OPERATING CURRENT: 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHOD: CORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.625 INCHES NOMINAL IN
WINDING OPERATING CURRENT1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
WINDING OPERATING VOLTAGE6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
WINDING OPERATING CURRENT90.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
OVERALL WIDTH2.875 INCHES NOMINAL IN
WINDING SHIELDING METHODCORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
WINDING OPERATING VOLTAGE6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
FREQUENCY RATING50.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3056Interchangeable
interchangeable cross-reference
interchangeable
GGG-M-00100Interchangeable
interchangeable cross-reference
interchangeable
CTM-4041Interchangeable
interchangeable cross-reference
interchangeable
1656316PC3Interchangeable
interchangeable cross-reference
interchangeable
8694410Interchangeable
interchangeable cross-reference
interchangeable
40002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB1388D?
MB1388D is a TRANSFORMER,POWER.
What parts can replace MB1388D?
There are 9 known substitutes for MB1388D: 3056, GGG-M-00100, CTM-4041 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB1388D?
MB1388D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-133-2922. This indicates validated use in U.S. government and defense supply chains.
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