PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VR12ASemiconductor Device,diode

St-Semicon Inc · NSN 5961-01-130-7578 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-130-7578 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-130-7578. Primary manufacturer part number: VR12A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Precious Material: GOLD
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Precious Material and Location: TERMINALS GOLD
  • Material: GLASS ENCLOSURE
  • Overall Diameter: 0.125 INCHES NOMINAL IN
  • Mounting Method: TERMINAL
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-130-7578, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is St-Semicon Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-130-7578
Primary Part NumberVR12A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSt-Semicon Inc
StatusACTIVE
Precious MaterialGOLD
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Precious Material and LocationTERMINALS GOLD
MaterialGLASS ENCLOSURE
Overall Diameter0.125 INCHES NOMINAL IN
Mounting MethodTERMINAL
Current Rating Per Characteristic21.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.000 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic12.0 MAXIMUM BREAKDOWN VOLTAGE, DC
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2815-00-363-7140LK82 INTERCHANGEABLE
Lock,valve Spring Retainer
Eaton Corp Dba Eaton Aerospace Jackson
5910-01-337-2456 INTERCHANGEABLE
Retainer,capacitor
Cross-Reference Index
Part NumberManufacturer
VR12A St-Semicon Inc (USA)
RA-6038 St-Semicon Inc (USA)
Related Parts
2815-00-363-7140INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
LK82
5910-01-337-2456INTERCHANGEABLE
RETAINER,CAPACITOR

Frequently Asked Questions

What is NSN 5961-01-130-7578?

NSN 5961-01-130-7578 is a Semiconductor Device,diode, manufactured by St-Semicon Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-130-7578?

NSN 5961-01-130-7578 has 2 cross-referenced part numbers: VR12A (St-Semicon Inc), RA-6038 (St-Semicon Inc).

What NSN replaces 5961-01-130-7578?

There are 2 known substitutes for 5961-01-130-7578: 2815-00-363-7140, 5910-01-337-2456. Verify interchangeability with system specifications before substitution.

What are the specifications of VR12A?

Key specifications for VR12A: Precious Material: GOLD; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Precious Material and Location: TERMINALS GOLD. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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