PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5259BSemiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-169-6511 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-169-6511 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-169-6511. Primary manufacturer part number: 1N5259B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Voltage Rating in Volts Per Characteristic: 39.0 NOMINAL REGULATOR VOLTAGE, DC
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.107 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 500.0 MILLIWATTS NOMINAL TOTAL POWER DISSIPATION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Plastic Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-169-6511, 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 Freescale Semiconductor, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-169-6511
Primary Part Number1N5259B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
MaterialPLASTIC ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Voltage Rating in Volts Per Characteristic39.0 NOMINAL REGULATOR VOLTAGE, DC
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Overall Diameter0.107 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Power Rating Per Characteristic500.0 MILLIWATTS NOMINAL TOTAL POWER DISSIPATION
Current Rating Per Characteristic3.20 MILLIAMPERES NOMINAL MAXIMUM REVERSE SURGE CURRENT
Terminal Length1.000 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Terminal Circle Diameter0.022 INCHES MAXIMUM IN
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 20215
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-156-75878M8 68 INTERCHANGEABLE
Bearing,ball,annular
Caterpillar Inc Div Caterpillar Defense
6670-00-173-72213600 INTERCHANGEABLE
Scale,weighing
Ohaus Corporation
5365-00-197-5284390006PC215 INTERCHANGEABLE
Shim
Naval Ship Systems Command
3810-00-763-061620215 INTERCHANGEABLE
Outrigger,crane
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5961-00-763-7267 INTERCHANGEABLE
Semiconductor Device,diode
5365-01-248-269420215 INTERCHANGEABLE
Plug,machine Thread,magnetic
Pneudraulics, Inc.
6640-01-352-0524 INTERCHANGEABLE
Paper,filter
5830-01-379-979320-215-1 INTERCHANGEABLE
Intercommunication Set
Celtech Corporation
5120-01-430-7964 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
1N5259B Freescale Semiconductor, Inc. (USA)
20215 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
1N5259A Freescale Semiconductor, Inc. (USA)
Related Parts
3110-00-156-7587INTERCHANGEABLE
BEARING,BALL,ANNULAR
8M8 68
6670-00-173-7221INTERCHANGEABLE
SCALE,WEIGHING
3600
5365-00-197-5284INTERCHANGEABLE
SHIM
390006PC215
3810-00-763-0616INTERCHANGEABLE
OUTRIGGER,CRANE
20215
5961-00-763-7267INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5365-01-248-2694INTERCHANGEABLE
PLUG,MACHINE THREAD,MAGNETIC
20215
6640-01-352-0524INTERCHANGEABLE
PAPER,FILTER
5830-01-379-9793INTERCHANGEABLE
INTERCOMMUNICATION SET
20-215-1
5120-01-430-7964INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5961-01-169-6511?

NSN 5961-01-169-6511 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-169-6511?

NSN 5961-01-169-6511 has 3 cross-referenced part numbers: 1N5259B (Freescale Semiconductor, Inc.), 20215 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 1N5259A (Freescale Semiconductor, Inc.).

What NSN replaces 5961-01-169-6511?

There are 9 known substitutes for 5961-01-169-6511: 3110-00-156-7587, 6670-00-173-7221, 5365-00-197-5284 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5259B?

Key specifications for 1N5259B: Material: PLASTIC ENCLOSURE; Material: SILICON SEMICONDUCTOR; Voltage Rating in Volts Per Characteristic: 39.0 NOMINAL REGULATOR VOLTAGE, DC; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD. 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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