PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FDH300Semiconductor Device,diode

National Semiconductor Corporation · NSN 5961-01-055-5274 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-055-5274 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-055-5274. Primary manufacturer part number: FDH300.
Features
  • Semiconductor Device,diode — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Material: SILICON SEMICONDUCTOR
  • Power Rating Per Characteristic: 0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Current Rating Per Characteristic: 4.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
  • Overall Diameter: 0.075 INCHES MAXIMUM IN
  • 13 verified cross-references
  • Primary manufacturer: National Semiconductor Corporation
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 5961-01-055-5274, 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 National Semiconductor Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-055-5274
Primary Part NumberFDH300
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
MaterialSILICON SEMICONDUCTOR
Power Rating Per Characteristic0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Current Rating Per Characteristic4.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Overall Diameter0.075 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-102-4015BP4001A01 INTERCHANGEABLE
Holder,electrical Contact Brush
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
6145-00-295-2806HP3-EXBAB9 INTERCHANGEABLE
Wire,electrical
National Electrical Mfrs Assn Dba Nema
2805-00-382-7986028501 INTERCHANGEABLE
Cap
Caterpillar Inc Div Caterpillar Defense
5930-00-430-81202131815-4 INTERCHANGEABLE
Switch,code Indicating Wheel
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5999-00-500-937710-270-3 INTERCHANGEABLE
Heater,thermal Release
Eaton Corp Opns & Technical Center
6850-00-555-28781 GAL 11701 INTERCHANGEABLE
Sealer,chemical
Thompson-Minwaw Co the Minwax Co Div
6610-00-570-9848102703 INTERCHANGEABLE
Plate,mounting,indi
Astronautics Corporation of America
4310-00-657-679828501 INTERCHANGEABLE
Pin Assy,adjusting
Hdt Expeditionary Systems Inc
5340-00-855-1924530052 INTERCHANGEABLE
Clip,spring Tension
Bae Systems Information and Electronic Systems Integration Inc.
6130-01-019-83162498953-002 INTERCHANGEABLE
Power Supply
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
28473-00499 Leonardo Uk Ltd (GBR)
28473-00499 Leonardo Mw Ltd (GBR)
530052 Boonton Electronics Corporation Div Boonton Electronics (USA)
CD0006-001 Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
SS10037-1 Bae Systems, Ro Defence (GBR)
FDH300 Fairchild Semiconductor Corp (USA)
SS10037-1 Bae Systems Global Combat Systems Limited (GBR)
AD0121442 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
DSAO-00300 Giga-Tronics Incorporated Dba Giga-Tronics (USA)
FDH300 PRIMARY National Semiconductor Corporation (USA)
28501 Eldec Aerospace Corp (USA)
FDH300 Veeco Instruments Inc Lambda Div (USA)
102703 Systron-Donner Corp Microwave/instrument Div (USA)
Related Parts
5977-00-102-4015INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
BP4001A01
6145-00-295-2806INTERCHANGEABLE
WIRE,ELECTRICAL
HP3-EXBAB9
2805-00-382-7986INTERCHANGEABLE
CAP
028501
5930-00-430-8120INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
2131815-4
5999-00-500-9377INTERCHANGEABLE
HEATER,THERMAL RELEASE
10-270-3
6850-00-555-2878INTERCHANGEABLE
SEALER,CHEMICAL
1 GAL 11701
6610-00-570-9848INTERCHANGEABLE
PLATE,MOUNTING,INDI
102703
4310-00-657-6798INTERCHANGEABLE
PIN ASSY,ADJUSTING
28501
5340-00-855-1924INTERCHANGEABLE
CLIP,SPRING TENSION
530052
6130-01-019-8316INTERCHANGEABLE
POWER SUPPLY
2498953-002
4820-01-145-7630INTERCHANGEABLE
VALVE,GLOBE
10270-3
3610-01-151-7471INTERCHANGEABLE
SHEAVE
28501

Frequently Asked Questions

What is NSN 5961-01-055-5274?

NSN 5961-01-055-5274 is a Semiconductor Device,diode, manufactured by National Semiconductor Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-055-5274?

NSN 5961-01-055-5274 has 13 cross-referenced part numbers: 28473-00499 (Leonardo Uk Ltd), 28473-00499 (Leonardo Mw Ltd), 530052 (Boonton Electronics Corporation Div Boonton Electronics), CD0006-001 (Northrop Grumman Corp Electronic Systems Defensive System Div), SS10037-1 (Bae Systems, Ro Defence) and 8 more.

What NSN replaces 5961-01-055-5274?

There are 12 known substitutes for 5961-01-055-5274: 5977-00-102-4015, 6145-00-295-2806, 2805-00-382-7986 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FDH300?

Key specifications for FDH300: Features Provided: HERMETICALLY SEALED CASE; Material: SILICON SEMICONDUCTOR; Power Rating Per Characteristic: 0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION; Current Rating Per Characteristic: 4.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT. 6 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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