PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X5B790Transistor

Gpd Optoelectronics Corp. Div Gpd Optoelectronics · NSN 5961-00-439-3542 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-439-3542 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-439-3542. Primary manufacturer part number: X5B790.
Features
  • Transistor — FSC 5961
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Semiconductor Material: SILICON
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-439-3542, 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 Gpd Optoelectronics Corp. Div Gpd Optoelectronics. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-439-3542
Primary Part NumberX5B790
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGpd Optoelectronics Corp. Div Gpd Optoelectronics
StatusACTIVE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Terminal Length1.500 INCHES MINIMUM IN
Mounting MethodTERMINAL
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM EMITTER TO BASE VOLTAGE, FLOATING POTENTIAL, DC WITH COLLECTOR BIASED IN REVERSE DIRECTION WITH RESPECT TO THE BASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic70.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic450.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Overall Diameter0.370 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationUNIJUNCTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-807-7885 INTERCHANGEABLE
Transistor
5961-00-926-2569 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
X5B790 Gpd Optoelectronics Corp. Div Gpd Optoelectronics (USA)
SJ942 Texas Instruments Incorporated (USA)
X5B755 General Electric Co Semi-Conductor Products Dept (USA)
44B251181-006 Semitronics Corp (USA)
2N494 General Electric Co Semi-Conductor Products Dept (USA)
44B251181-006 Genicom Corp (USA)
Related Parts
5961-00-807-7885INTERCHANGEABLE
TRANSISTOR
5961-00-926-2569INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-439-3542?

NSN 5961-00-439-3542 is a Transistor, manufactured by Gpd Optoelectronics Corp. Div Gpd Optoelectronics, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-439-3542?

NSN 5961-00-439-3542 has 6 cross-referenced part numbers: X5B790 (Gpd Optoelectronics Corp. Div Gpd Optoelectronics), SJ942 (Texas Instruments Incorporated), X5B755 (General Electric Co Semi-Conductor Products Dept), 44B251181-006 (Semitronics Corp), 2N494 (General Electric Co Semi-Conductor Products Dept) and 1 more.

What NSN replaces 5961-00-439-3542?

There are 2 known substitutes for 5961-00-439-3542: 5961-00-807-7885, 5961-00-926-2569. Verify interchangeability with system specifications before substitution.

What are the specifications of X5B790?

Key specifications for X5B790: Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Semiconductor Material: SILICON; Terminal Length: 1.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 14 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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