PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5991Transistor

Electronic Industries Association · NSN 5961-01-081-3430 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-081-3430 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-081-3430. Primary manufacturer part number: 2N5991.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 12.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Mounting Facility Quantity: 1
  • Specification/standard Data: 80131-RELEASE6353 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 3 PIN AND 1 CASE
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-081-3430, 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 Electronic Industries Association. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN5961-01-081-3430
Primary Part Number2N5991
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Current Rating Per Characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 12.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting Facility Quantity1
Specification/standard Data80131-RELEASE6353 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity3 PIN AND 1 CASE
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic100.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Semiconductor MaterialSILICON
Mounting MethodUNTHREADED HOLE(S)
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-01-033-8534 INTERCHANGEABLE
Transistor
5961-01-050-5983 INTERCHANGEABLE
Transistor
5961-01-114-1350 INTERCHANGEABLE
Transistor
5961-01-169-6507 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N5991 Electronic Industries Association
3082155-005 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
3@ Gould Instrument Systems Inc (USA)
2N5991 On Semiconductor Corporation (USA)
RELEASE6353 Electronic Industries Association
2N5990 Freescale Semiconductor, Inc. (USA)
2N5991 Freescale Semiconductor, Inc. (USA)
580-724 Ampex Systems Corp (USA)
Related Parts
5961-01-033-8534INTERCHANGEABLE
TRANSISTOR
5961-01-050-5983INTERCHANGEABLE
TRANSISTOR
5961-01-114-1350INTERCHANGEABLE
TRANSISTOR
5961-01-169-6507INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-081-3430?

NSN 5961-01-081-3430 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-081-3430?

NSN 5961-01-081-3430 has 8 cross-referenced part numbers: 2N5991 (Electronic Industries Association), 3082155-005 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 3@ (Gould Instrument Systems Inc), 2N5991 (On Semiconductor Corporation), RELEASE6353 (Electronic Industries Association) and 3 more.

What NSN replaces 5961-01-081-3430?

There are 4 known substitutes for 5961-01-081-3430: 5961-01-033-8534, 5961-01-050-5983, 5961-01-114-1350 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5991?

Key specifications for 2N5991: Current Rating Per Characteristic: 4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 12.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Mounting Facility Quantity: 1; Overall Length: 1.308 INCHES MAXIMUM IN; Specification/standard Data: 80131-RELEASE6353 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-081-3430 still in active supply?

NSN 5961-01-081-3430 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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