PartsTable
Technical Data Sheet
3551A ✓ Verified by PartsTable
· PSU
WHAT YOU NEED TO KNOW
Always quote matching pair — mixed wattage causes throttling Platinum/Titanium = higher efficiency = lower power cost over time
AC or DC input? Verify customer site power
PRODUCT OVERVIEW

The AMPLIFIER-POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. Key specifications include phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED, width: 10.000 INCHES NOMINAL IN, height: 5.250 INCHES NOMINAL IN, length: 13.500 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, swage_depth: 0.063 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-062-0176, 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
3551A
NSN: 6625-01-062-0176
FSC: 6625
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
phaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
width10.000 INCHES NOMINAL IN
height5.250 INCHES NOMINAL IN
length13.500 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
swage_depth0.063 INCHES IN
overall_height0.250 INCHES IN
terminal_length0.152 INCHES IN
frequency_rating48.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
largest_diameter0.096 INCHES SINGLE END IN
overall_diameter0.125 INCHES IN
special_featuresTOP OF TERMINAL COUNTER-SUNK 45 DEG,0.012 IN. DEEP IN
NSN6625-01-062-0176
COMPONENT DIAGRAM
PULL TAB AIRFLOW —W PLATINUM 100-240V~ 50/60Hz OEM BACKPLANE CONN ~200 mm HOT-PLUG POWER SUPPLY | —W | Platinum AC input 100-240V | Redundant pair required | Match wattage in same chassis TITLE PSU —W PN 3551A MFR OEM Platinum
KEY FEATURES
WIDTH: 10.000 INCHES NOMINAL IN
ELECTRICAL POWER SOURCE RELATIONSHIP: ALTERNATE OPERATING
FREQUENCY RATING: 48.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
AC VOLTAGE RATING: 100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
HEIGHT: 5.250 INCHES NOMINAL IN
REFERENCE DATA AND LITERATURE: HEWLETT PACKARD 1981 CATALOG
LENGTH: 13.500 INCHES NOMINAL IN
FUNCTIONAL DESCRIPTION: USED FOR MEASUREMENTS ON VOICE, PROGRAM AND DATA CIRCUITS UP TO 50 KB/S KB
TYPICAL APPLICATIONS
  • Server power supply replacement (failed or degraded)
  • Redundant power upgrade for high-availability
  • Power capacity upgrade for GPU or expansion configurations
  • Hot-swap power maintenance in production environments
  • Spare inventory for break-fix operations
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH10.000 INCHES NOMINAL IN
ELECTRICAL POWER SOURCE RELATIONSHIPALTERNATE OPERATING
FREQUENCY RATING48.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
AC VOLTAGE RATING100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
HEIGHT5.250 INCHES NOMINAL IN
REFERENCE DATA AND LITERATUREHEWLETT PACKARD 1981 CATALOG
LENGTH13.500 INCHES NOMINAL IN
FUNCTIONAL DESCRIPTIONUSED FOR MEASUREMENTS ON VOICE, PROGRAM AND DATA CIRCUITS UP TO 50 KB/S KB
ENCLOSURE FEATURESINGLE ITEM W/HOUSING
PHASESINGLE LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
160-2027-01-01-00Interchangeable
interchangeable cross-reference
interchangeable
256043P1Interchangeable
interchangeable cross-reference
interchangeable
X2027AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3551A?
3551A is a AMPLIFIER-POWER SUPPLY.
What parts can replace 3551A?
There are 3 known substitutes for 3551A: 160-2027-01-01-00, 256043P1, X2027A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3551A?
3551A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-062-0176. This indicates validated use in U.S. government and defense supply chains.
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