PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GX35018BTransistor

General Semiconductor Industries Inc · NSN 5961-01-138-7158 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-138-7158 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-138-7158. Primary manufacturer part number: GX35018B.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: -400.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED
  • Terminal Length: 0.470 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 2
  • Semiconductor Material: SILICON
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 125.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-138-7158, 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 General Semiconductor Industries Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-138-7158
Primary Part NumberGX35018B
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Semiconductor Industries Inc
StatusACTIVE
Voltage Rating in Volts Per Characteristic-400.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED
Terminal Length0.470 INCHES MAXIMUM IN
Mounting Facility Quantity2
Semiconductor MaterialSILICON
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic125.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Type and Quantity1 CASE AND 2 PIN
Mounting MethodTERMINAL AND UNTHREADED HOLE(S)
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5985-00-326-1281 INTERCHANGEABLE
Attenuator Assembly
6625-00-538-954600117-0051 INTERCHANGEABLE
Voltmeter
Asrc Federal Facilities Logistics, Llc
5325-01-084-9033100475 INTERCHANGEABLE
Ring,retaining
Cummins Inc.
4410-01-534-054110-0475 INTERCHANGEABLE
Nozzle,fuel
Energy Kinetics Inc Dba System 2000
6220-01-543-884210-0475-1 INTERCHANGEABLE
Light,indicator
Ace Aeronautics Llc
6850-01-684-6911100474 INTERCHANGEABLE
Cleaning Compound,solvent
Zip-Chem Products
Cross-Reference Index
Part NumberManufacturer
GX35018B General Semiconductor Industries Inc (USA)
2N6921 General Semiconductor Industries Inc (USA)
2N6580 Cinch Connectivity Solutions Inc. (USA)
100475-1 Bruce Aerospace Inc (USA)
GX35018B Osi Optoelectronics, Inc Dba Semicoa (USA)
100474 Bruce Aerospace Inc (USA)
100475 Bruce Aerospace Inc (USA)
100474 Semitronics Corp (USA)
2N6921 Osi Optoelectronics, Inc Dba Semicoa (USA)
SES595 Semitronics Corp (USA)
Related Parts
5985-00-326-1281INTERCHANGEABLE
ATTENUATOR ASSEMBLY
6625-00-538-9546INTERCHANGEABLE
VOLTMETER
00117-0051
5325-01-084-9033INTERCHANGEABLE
RING,RETAINING
100475
4410-01-534-0541INTERCHANGEABLE
NOZZLE,FUEL
10-0475
6220-01-543-8842INTERCHANGEABLE
LIGHT,INDICATOR
10-0475-1
6850-01-684-6911INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
100474

Frequently Asked Questions

What is NSN 5961-01-138-7158?

NSN 5961-01-138-7158 is a Transistor, manufactured by General Semiconductor Industries Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-138-7158?

NSN 5961-01-138-7158 has 10 cross-referenced part numbers: GX35018B (General Semiconductor Industries Inc), 2N6921 (General Semiconductor Industries Inc), 2N6580 (Cinch Connectivity Solutions Inc.), 100475-1 (Bruce Aerospace Inc), GX35018B (Osi Optoelectronics, Inc Dba Semicoa) and 5 more.

What NSN replaces 5961-01-138-7158?

There are 6 known substitutes for 5961-01-138-7158: 5985-00-326-1281, 6625-00-538-9546, 5325-01-084-9033 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GX35018B?

Key specifications for GX35018B: Voltage Rating in Volts Per Characteristic: -400.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED; Terminal Length: 0.470 INCHES MAXIMUM IN; Mounting Facility Quantity: 2; Overall Width: 1.050 INCHES MAXIMUM IN. 16 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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