PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3177261Semiconductor Device,diode

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5961-01-449-8805 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-449-8805 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-449-8805. Primary manufacturer part number: A3177261.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Special Test Features: SELECTED FOR MAXIMUM JUNCTION CAPACITANCE OF 2.0 PICOFARDS
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Nuclear Hardness Critical Feature: HARDENED
  • Overall Diameter: 0.056 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-449-8805, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-449-8805
Primary Part NumberA3177261
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
MaterialGLASS ENCLOSURE
Special Test FeaturesSELECTED FOR MAXIMUM JUNCTION CAPACITANCE OF 2.0 PICOFARDS
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Nuclear Hardness Critical FeatureHARDENED
Overall Diameter0.056 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic2.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Function for Which DesignedSWITCHING
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM BREAKDOWN VOLTAGE, DC AND 75.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-425-9815 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-584-4527 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-946-141610050067-101 INTERCHANGEABLE
Semiconductor Device,diode
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5961-01-036-5097 INTERCHANGEABLE
Semiconductor Device Set
5961-01-304-43615497123-5 INTERCHANGEABLE
Semiconductor Device,diode
Lockheed Martin Corporation Div Rotary and Mission Systems
Cross-Reference Index
Part NumberManufacturer
A3177261 Micro Uspd Inc (USA)
A3177261 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
A3177261 Bkc Semiconductors Inc (USA)
A3177261 Microsemi Corp - Massachusetts (USA)
A3177261 Pd&e Electronics, Llc (USA)
JANTX1N4148-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A3177261 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
A3177261 Microsemi Corporation (USA)
Related Parts
5961-00-425-9815INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-584-4527INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-946-1416INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
10050067-101
5961-01-036-5097INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
5961-01-304-4361INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5497123-5

Frequently Asked Questions

What is NSN 5961-01-449-8805?

NSN 5961-01-449-8805 is a Semiconductor Device,diode, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-449-8805?

NSN 5961-01-449-8805 has 8 cross-referenced part numbers: A3177261 (Micro Uspd Inc), A3177261 (Microsemi Corp.-Scottsdale Dba Microsemi), A3177261 (Bkc Semiconductors Inc), A3177261 (Microsemi Corp - Massachusetts), A3177261 (Pd&e Electronics, Llc) and 3 more.

What NSN replaces 5961-01-449-8805?

There are 5 known substitutes for 5961-01-449-8805: 5961-00-425-9815, 5961-00-584-4527, 5961-00-946-1416 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3177261?

Key specifications for A3177261: Material: GLASS ENCLOSURE; Special Test Features: SELECTED FOR MAXIMUM JUNCTION CAPACITANCE OF 2.0 PICOFARDS; Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD. 15 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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