Name: AMPLIFIER-POWER SUPPLY
Brand: Unknown
SKU: SR556

SR556 ✓ Verified by PartsTable

— · MRO · MRO_GENERAL

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 overall_depth: 5.1 INCHES NOMINAL IN, overall_width: 3.0 INCHES NOMINAL IN, body_thickness: 0.375 INCHES IN, overall_height: 1.3 INCHES NOMINAL IN, overall_length: 19.000 INCHES IN, special_features: WEIGHT 10 OUNCES OZ. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-714-4733, 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

MRO→ MRO_GENERAL→ SR556

NSN: 5895-01-714-4733
FSC: 5895
CAGE: 67276 — STANFORD RESEARCH SYSTEMS INC. DBA STANFORD RESEARCH SYSTEMS INC (USA)

SPECIFICATIONS

overall_depth	5.1 INCHES NOMINAL IN
overall_width	3.0 INCHES NOMINAL IN
body_thickness	0.375 INCHES IN
overall_height	1.3 INCHES NOMINAL IN
overall_length	19.000 INCHES IN
special_features	WEIGHT 10 OUNCES OZ
amplifier_output_impedance_rating	50.0 OHMS NOMINAL
part_name_assigned_by_controlling_agency	CURRENT PREAMPLIFIER
NSN	5895-01-714-4733

COMPONENT DIAGRAM

KEY FEATURES

•

AMPLIFIER OUTPUT IMPEDANCE RATING: 50.0 OHMS NOMINAL

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)

OVERALL DEPTH	5.1 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	CURRENT PREAMPLIFIER
AMPLIFIER OUTPUT IMPEDANCE RATING	50.0 OHMS NOMINAL
SPECIAL FEATURES	WEIGHT 10 OUNCES OZ
OVERALL WIDTH	3.0 INCHES NOMINAL IN
OVERALL HEIGHT	1.3 INCHES NOMINAL IN
OVERALL DEPTH	5.1 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	CURRENT PREAMPLIFIER
AMPLIFIER OUTPUT IMPEDANCE RATING	50.0 OHMS NOMINAL
SPECIAL FEATURES	WEIGHT 10 OUNCES OZ

VERIFIED SUBSTITUTES & CROSS-REFERENCES 3

STS-1719SRP25Interchangeable

interchangeable cross-reference

interchangeable

7404Interchangeable

interchangeable cross-reference

interchangeable

SR1825Interchangeable

interchangeable cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is SR556?

SR556 is a AMPLIFIER-POWER SUPPLY. It is classified as a MRO (MRO_GENERAL).

What parts can replace SR556?

There are 3 known substitutes for SR556: STS-1719SRP25, 7404, SR1825. Substitute compatibility should be verified for your specific system.

What is the NSN for SR556?

SR556 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-714-4733. This indicates validated use in U.S. government and defense supply chains.

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