PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N2989BSemiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-00-849-4183 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-849-4183 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-849-4183. Primary manufacturer part number: 1N2989B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION
  • Mounting Method: THREADED STUD(S)
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Power Rating Per Characteristic: 10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Nominal Thread Size: 0.190 INCHES IN
  • Mounting Facility Quantity: 1
  • Features Provided: HERMETICALLY SEALED CASE
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 5961-00-849-4183, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 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: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-849-4183
Primary Part Number1N2989B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusCANCELLED
Specification/standard Data81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION
Mounting MethodTHREADED STUD(S)
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Power Rating Per Characteristic10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Nominal Thread Size0.190 INCHES IN
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Overall Width Across Flats0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseANODE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS CASE DEGC
Current Rating Per Characteristic1.60 AMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MaterialSILICON SEMICONDUCTOR
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2910-00-394-25870-13628 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
5961-00-476-4539 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-851-697210M30Z5 INTERCHANGEABLE
Semiconductor Device,diode
Department of State Health Services
5305-01-197-06024900-52 INTERCHANGEABLE
Screw
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
1N2989B Freescale Semiconductor, Inc. (USA)
VBE890/1N2989B Thales Nederland (NLD)
490052 R F Power Labs Inc (USA)
4178600-089 Raytheon Company Div Rmd Strategic (USA)
353-1161-001 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
947090-9892 Litton Systems Inc. Div Navigation Systems Division (USA)
353-1161-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
MIL-PRF-19500/124 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N2989B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GS810BN1 Northrop Grumman Systems Corporation (USA)
353-1161-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-1161-001 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
013-628 Ampex Systems Corp (USA)
0534336 Itt Telecom Products Corp Network Systems Div (USA)
3522 500 10055 Thales Nederland (NLD)
9300-256 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
4178600-089 Raytheon Company Dba Raytheon (USA)
1N2989A Freescale Semiconductor, Inc. (USA)
1N2989A Trw Electronics and Defense Sector Rf Devices (USA)
5961PL1277787 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
2910-00-394-2587INTERCHANGEABLE
CARBURETOR,FLOAT
0-13628
5961-00-476-4539INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-851-6972INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
10M30Z5
5305-01-197-0602INTERCHANGEABLE
SCREW
4900-52

Frequently Asked Questions

What is NSN 5961-00-849-4183?

NSN 5961-00-849-4183 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-849-4183?

NSN 5961-00-849-4183 has 21 cross-referenced part numbers: 1N2989B (Freescale Semiconductor, Inc.), VBE890/1N2989B (Thales Nederland), 490052 (R F Power Labs Inc), 4178600-089 (Raytheon Company Div Rmd Strategic), 353-1161-001 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems) and 16 more.

What NSN replaces 5961-00-849-4183?

There are 4 known substitutes for 5961-00-849-4183: 2910-00-394-2587, 5961-00-476-4539, 5961-00-851-6972 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N2989B?

Key specifications for 1N2989B: Specification/standard Data: 81349-MIL-S-19500/124 GOVERNMENT SPECIFICATION; Mounting Method: THREADED STUD(S); Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD; Power Rating Per Characteristic: 10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-849-4183 still in active supply?

NSN 5961-00-849-4183 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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