PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N398BTransistor

Texas Instruments Incorporated · NSN 5961-00-724-7665 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-724-7665 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-724-7665. Primary manufacturer part number: 2N398B.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 250.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Current Rating Per Characteristic: 200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 6.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-724-7665, 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 Texas Instruments Incorporated. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-724-7665
Primary Part Number2N398B
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusCANCELLED
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point100.0 CELSIUS AMBIENT AIR DEGC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Power Rating Per Characteristic250.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 6.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
Overall Diameter0.370 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic105.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 105.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 75.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Mounting MethodTERMINAL
Semiconductor MaterialGERMANIUM
Terminal Length1.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5961-00-107-6493 INTERCHANGEABLE
Semiconductor Device,thyristor
3020-00-138-2653 INTERCHANGEABLE
Gear,internal
3010-00-239-3164 INTERCHANGEABLE
Gearcase-Motor
5360-00-447-9003111470HX INTERCHANGEABLE
Spring,helical,compression
Navistar Intl Corp Truck Br Ohio Plant
6625-00-799-597634600 INTERCHANGEABLE
Voltmeter
Evoqua Water Technologies Llc
5305-00-925-7853MS35307-465 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5930-01-009-624034600 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
4820-01-274-1859364-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6020-01-687-478434600 INTERCHANGEABLE
Cable Assembly,fiber Optic
Cables to Go
Cross-Reference Index
Part NumberManufacturer
2N398B Texas Instruments Incorporated (USA)
2N398B Solid State Devices, Inc (USA)
2N398B Renesas Electronics America Inc (USA)
2N398B Electronic Industries Association
2N398B Ampex Systems Corp (USA)
36400 Rca Corp Distribution and Special Products (USA)
2N398B Csr Industries Inc (USA)
2N398B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DXX763-1000-1 Lockheed Martin Corp Lockheed Martin Mission Systems (USA)
RELEASE3700 Electronic Industries Association
1850-0128 Hewlett-Packard Company Dba HP (USA)
2N398B Lau Technologies Div N/a (USA)
2N3988 Texas Instruments Incorporated (USA)
34600 Rca Corp Distribution and Special Products (USA)
Related Parts
5961-00-107-6493INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
3020-00-138-2653INTERCHANGEABLE
GEAR,INTERNAL
3010-00-239-3164INTERCHANGEABLE
GEARCASE-MOTOR
5360-00-447-9003INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
111470HX
6625-00-799-5976INTERCHANGEABLE
VOLTMETER
34600
5305-00-925-7853INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-465
5930-01-009-6240INTERCHANGEABLE
SWITCH,LIQUID LEVEL
34600
4820-01-274-1859INTERCHANGEABLE
SEAT,VALVE
364-00
6020-01-687-4784INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
34600

Frequently Asked Questions

What is NSN 5961-00-724-7665?

NSN 5961-00-724-7665 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-724-7665?

NSN 5961-00-724-7665 has 14 cross-referenced part numbers: 2N398B (Texas Instruments Incorporated), 2N398B (Solid State Devices, Inc), 2N398B (Renesas Electronics America Inc), 2N398B (Electronic Industries Association), 2N398B (Ampex Systems Corp) and 9 more.

What NSN replaces 5961-00-724-7665?

There are 9 known substitutes for 5961-00-724-7665: 5961-00-107-6493, 3020-00-138-2653, 3010-00-239-3164 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N398B?

Key specifications for 2N398B: Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Overall Length: 0.260 INCHES MAXIMUM IN; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Features Provided: HERMETICALLY SEALED CASE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-724-7665 still in active supply?

NSN 5961-00-724-7665 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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