PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3521Semiconductor Device,diode

Trw Electronics and Defense Sector Rf Devices · NSN 5961-00-764-3179 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-764-3179 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-764-3179. Primary manufacturer part number: 1N3521.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 0.40 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Length: 1.000 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 5.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
  • Voltage Rating in Volts Per Characteristic: 13.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
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 5961-00-764-3179, 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 Trw Electronics and Defense Sector Rf Devices. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-764-3179
Primary Part Number1N3521
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTrw Electronics and Defense Sector Rf Devices
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Overall Diameter0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Power Rating Per Characteristic0.40 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.000 INCHES NOMINAL IN
Current Rating Per Characteristic5.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Voltage Rating in Volts Per Characteristic13.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
MaterialGLASS ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE4198 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-060-1622900120-237 INTERCHANGEABLE
Semiconductor Device,diode
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5961-00-199-4340 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-902-12841N3513 INTERCHANGEABLE
Semiconductor Device,diode
Central Semiconductor, Llc Dba Central Semiconductor Corp
5961-01-070-8942 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N3521 Trw Electronics and Defense Sector Rf Devices (USA)
1N3521 N a P Smd Technology Inc
1N3521 Itt Semiconductors Div (USA)
1N3521 Solid State Devices, Inc (USA)
1N3521 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1N3521 Infineon Technologies Americas Corp (USA)
1N3521 International Diode Corp (USA)
1N3521 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
1N3521 General Semiconductor Industries Inc (USA)
RELEASE4198 Electronic Industries Association
1N3521 Electronic Industries Association
1N3521 Microsemi Corporation (USA)
1N3521 C O D I Corp Dba Codi Semiconductor Inc (USA)
1N3521 Telcom Semiconductor Inc (USA)
2125383-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1N3521 Semiconductor Devices Inc (USA)
Related Parts
5961-00-060-1622INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
900120-237
5961-00-199-4340INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-902-1284INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3513
5961-01-070-8942INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-764-3179?

NSN 5961-00-764-3179 is a Semiconductor Device,diode, manufactured by Trw Electronics and Defense Sector Rf Devices, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-764-3179?

NSN 5961-00-764-3179 has 16 cross-referenced part numbers: 1N3521 (Trw Electronics and Defense Sector Rf Devices), 1N3521 (N a P Smd Technology Inc), 1N3521 (Itt Semiconductors Div), 1N3521 (Solid State Devices, Inc), 1N3521 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp) and 11 more.

What NSN replaces 5961-00-764-3179?

There are 4 known substitutes for 5961-00-764-3179: 5961-00-060-1622, 5961-00-199-4340, 5961-00-902-1284 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3521?

Key specifications for 1N3521: Material: SILICON SEMICONDUCTOR; Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN; Mounting Method: TERMINAL; Power Rating Per Characteristic: 0.40 WATTS MAXIMUM TOTAL POWER DISSIPATION. 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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