PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-189952-01Transistor

Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions · NSN 5961-00-497-4496 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-497-4496 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-497-4496. Primary manufacturer part number: 66-189952-01.
Features
  • Transistor — FSC 5961
  • Internal Junction Configuration: PNP
  • Mounting Method: UNTHREADED HOLE(S)
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 2 PIN AND 1 CASE
  • Mounting Facility Quantity: 2
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-497-4496, 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 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5961-00-497-4496
Primary Part Number66-189952-01
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions
StatusACTIVE
Internal Junction ConfigurationPNP
Mounting MethodUNTHREADED HOLE(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity2 PIN AND 1 CASE
Mounting Facility Quantity2
Semiconductor MaterialSILICON
Current Rating Per Characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.875 INCHES MAXIMUM IN
Power Rating Per Characteristic150.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-107-3986 INTERCHANGEABLE
Transistor
5961-00-136-4162 INTERCHANGEABLE
Transistor
5961-00-136-6341 INTERCHANGEABLE
Transistor
5961-00-233-4469 INTERCHANGEABLE
Transistor
5961-00-419-1370ST2T010HS0667 INTERCHANGEABLE
Transistor
Northrop Grumman Corp Electronic Systems Defensive System Div
5961-00-433-8614 INTERCHANGEABLE
Transistor
5961-00-559-4873 INTERCHANGEABLE
Transistor
5961-00-627-0275 INTERCHANGEABLE
Transistor
5961-00-882-8511SP9145 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-898-1926 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N3792 Freescale Semiconductor, Inc. (USA)
2N3792 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
66-189952-01 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
66-189952-01 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
Related Parts
5961-00-107-3986INTERCHANGEABLE
TRANSISTOR
5961-00-136-4162INTERCHANGEABLE
TRANSISTOR
5961-00-136-6341INTERCHANGEABLE
TRANSISTOR
5961-00-233-4469INTERCHANGEABLE
TRANSISTOR
5961-00-419-1370INTERCHANGEABLE
TRANSISTOR
ST2T010HS0667
5961-00-433-8614INTERCHANGEABLE
TRANSISTOR
5961-00-559-4873INTERCHANGEABLE
TRANSISTOR
5961-00-627-0275INTERCHANGEABLE
TRANSISTOR
5961-00-882-8511INTERCHANGEABLE
TRANSISTOR
SP9145
5961-00-898-1926INTERCHANGEABLE
TRANSISTOR
5961-00-926-0220INTERCHANGEABLE
TRANSISTOR
5961-01-382-9836INTERCHANGEABLE
TRANSISTOR
6004034

Frequently Asked Questions

What is NSN 5961-00-497-4496?

NSN 5961-00-497-4496 is a Transistor, manufactured by Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-497-4496?

NSN 5961-00-497-4496 has 4 cross-referenced part numbers: 2N3792 (Freescale Semiconductor, Inc.), 2N3792 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 66-189952-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 66-189952-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions).

What NSN replaces 5961-00-497-4496?

There are 12 known substitutes for 5961-00-497-4496: 5961-00-107-3986, 5961-00-136-4162, 5961-00-136-6341 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66-189952-01?

Key specifications for 66-189952-01: Internal Junction Configuration: PNP; Mounting Method: UNTHREADED HOLE(S); Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Internal Configuration: JUNCTION CONTACT. 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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