PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N659ASemiconductor Device,diode

Fairchild Semiconductor Corp · NSN 5961-00-057-9141 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-057-9141 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-057-9141. Primary manufacturer part number: 1N659A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM ON VOLTAGE, FORWARD VOLTAGE DROP, DC
  • Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-7
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC
  • Features Provided: HERMETICALLY SEALED CASE
  • 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 5961-00-057-9141, 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 Fairchild Semiconductor Corp. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-057-9141
Primary Part Number1N659A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM ON VOLTAGE, FORWARD VOLTAGE DROP, DC
Overall Diameter0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-7
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
Specification/standard Data80131-RELEASE4020 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-496-9321 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-037-6461 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N659A Fairchild Semiconductor Corp (USA)
1N659A Electronic Industries Association
Related Parts
5961-00-496-9321INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-037-6461INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-057-9141?

NSN 5961-00-057-9141 is a Semiconductor Device,diode, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-057-9141?

NSN 5961-00-057-9141 has 2 cross-referenced part numbers: 1N659A (Fairchild Semiconductor Corp), 1N659A (Electronic Industries Association).

What NSN replaces 5961-00-057-9141?

There are 2 known substitutes for 5961-00-057-9141: 5961-00-496-9321, 5961-01-037-6461. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N659A?

Key specifications for 1N659A: Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM ON VOLTAGE, FORWARD VOLTAGE DROP, DC; Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN; Current Rating Per Characteristic: 30.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC; Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-7. 13 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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