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Technical Data Sheet
PartsTable / COMPONENT / SM-B-544238
SM-B-544238 ✓ 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 SUN SPARC2 85W POWER SUPPLY is a the manufacturer power supply unit built for continuous operation in enterprise server and storage platforms. Key specifications include body_style: PANEL MOUNT, body_width: 0.410 INCHES NOMINAL IN, body_height: 0.660 INCHES MAXIMUM IN, body_length: 1.125 INCHES NOMINAL IN, overall_width: 0.438 INCHES NOMINAL IN, actuator_style: RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-933-6815, 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
SM-B-544238
NSN: 5930-00-933-6815
FSC: 5930
CAGE: 16575 — SONETRONICS INC DBA SONETRONICS (USA)
SPECIFICATIONS
body_stylePANEL MOUNT
body_width0.410 INCHES NOMINAL IN
body_height0.660 INCHES MAXIMUM IN
body_length1.125 INCHES NOMINAL IN
overall_width0.438 INCHES NOMINAL IN
actuator_styleRECTANGULAR
actuator_width0.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.796 INCHES MAXIMUM IN
overall_length2.921 INCHES MAXIMUM IN
actuator_height0.360 INCHES NOMINAL IN
actuator_length1.219 INCHES NOMINAL IN
NSN5930-00-933-6815
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 SM-B-544238 MFR OEM Platinum
KEY FEATURES
•
ACTUATOR STYLE: RECTANGULAR
•
NONPILE-UP CONTACT ARRANGEMENT: 2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
•
PRECIOUS MATERIAL AND LOCATION: CONTACT SURFACES SILVER
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MAXIMUM VOLTAGE RATING IN VOLTS: 24.0 AC
•
BODY WIDTH: 0.410 INCHES NOMINAL IN
•
ACTUATOR LENGTH: 1.219 INCHES NOMINAL IN
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)
ACTUATOR STYLERECTANGULAR
OVERALL LENGTH2.921 INCHES MAXIMUM IN
NONPILE-UP CONTACT ARRANGEMENT2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES SILVER
CRITICALITY CODE JUSTIFICATIONFEAT
MAXIMUM VOLTAGE RATING IN VOLTS24.0 AC
BODY WIDTH0.410 INCHES NOMINAL IN
ACTUATOR LENGTH1.219 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
OVERALL HEIGHT1.796 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
10-306858-03JInterchangeable
interchangeable cross-reference
interchangeable
82933Interchangeable
interchangeable cross-reference
interchangeable
50-105406-182Interchangeable
interchangeable cross-reference
interchangeable
9100-1659Interchangeable
interchangeable cross-reference
interchangeable
A9835Interchangeable
interchangeable cross-reference
interchangeable
5158847Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-544238?
SM-B-544238 is a SUN SPARC2 85W POWER SUPPLY.
What parts can replace SM-B-544238?
There are 16 known substitutes for SM-B-544238: 10-306858-03J, 82933, 50-105406-182 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-544238?
SM-B-544238 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-933-6815. 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