PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L02121Semiconductor Device,diode

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 5961-01-023-1690 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-023-1690 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-023-1690. Primary manufacturer part number: L02121.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: GLASS ENCLOSURE
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Overall Diameter: 0.075 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 0.984 INCHES MINIMUM IN
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 5961-01-023-1690, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-023-1690
Primary Part NumberL02121
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.075 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.984 INCHES MINIMUM IN
Criticality Code JustificationFEAT
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-018-12171N4148-1 INTERCHANGEABLE
Semiconductor Device,diode
Microsemi Corp - Massachusetts
5961-00-444-6607 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-584-4527 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-938-1135 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-019-4928JAN1N4148 INTERCHANGEABLE
Semiconductor Device,diode
Texas Instruments Incorporated
5961-01-034-6542 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-112-5315 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-296-7577 INTERCHANGEABLE
Semiconductor Device Set
Cross-Reference Index
Part NumberManufacturer
JAN1N4148 Fairchild Semiconductor Corp (USA)
L02121 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5961-00-018-1217INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4148-1
5961-00-444-6607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-584-4527INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-938-1135INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-019-4928INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
JAN1N4148
5961-01-034-6542INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-112-5315INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-296-7577INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET

Frequently Asked Questions

What is NSN 5961-01-023-1690?

NSN 5961-01-023-1690 is a Semiconductor Device,diode, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-023-1690?

NSN 5961-01-023-1690 has 2 cross-referenced part numbers: JAN1N4148 (Fairchild Semiconductor Corp), L02121 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5961-01-023-1690?

There are 8 known substitutes for 5961-01-023-1690: 5961-00-018-1217, 5961-00-444-6607, 5961-00-584-4527 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L02121?

Key specifications for L02121: Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: GLASS ENCLOSURE; Overall Length: 0.180 INCHES MAXIMUM IN. 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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