PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3278Semiconductor Device,diode

Diodes Inc · NSN 5961-00-985-1547 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-985-1547 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-985-1547. Primary manufacturer part number: 1N3278.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 750.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
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 5961-00-985-1547, 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 Diodes Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-985-1547
Primary Part Number1N3278
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDiodes Inc
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM REVERSE VOLTAGE, PEAK
Terminal Length1.000 INCHES MINIMUM IN
Current Rating Per Characteristic750.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.110 INCHES NOMINAL IN
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-855-2274D1-54 INTERCHANGEABLE
Semiconductor Device,diode
Diodes Inc
Cross-Reference Index
Part NumberManufacturer
10128745 Us Army Aviation and Missile Command (USA)
1N3278 PRIMARY Diodes Inc (USA)
Related Parts
5961-00-855-2274INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
D1-54

Frequently Asked Questions

What is NSN 5961-00-985-1547?

NSN 5961-00-985-1547 is a Semiconductor Device,diode, manufactured by Diodes Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-985-1547?

NSN 5961-00-985-1547 has 2 cross-referenced part numbers: 10128745 (Us Army Aviation and Missile Command), 1N3278 (Diodes Inc).

What NSN replaces 5961-00-985-1547?

There is 1 known substitute for 5961-00-985-1547: 5961-00-855-2274. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3278?

Key specifications for 1N3278: Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Features Provided: HERMETICALLY SEALED CASE; Mounting Method: TERMINAL. 11 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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