PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4021157-0701Transistor

Raytheon Company Dba Raytheon Co · NSN 5961-00-448-5399 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-448-5399 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-448-5399. Primary manufacturer part number: 4021157-0701.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Terminal Length: 0.5000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-448-5399, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-448-5399
Primary Part Number4021157-0701
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Semiconductor MaterialSILICON
Terminal Length0.5000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTERMINAL
Power Rating Per Characteristic1.4 WATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic-120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -120.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -3.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Overall Diameter0.230 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-893-5686 INTERCHANGEABLE
Key Set,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
4021157-0701 PRIMARY Raytheon Company Dba Raytheon Co (USA)
SES399 Semitronics Corp (USA)
SGB4674 Texas Instruments Incorporated (USA)
ST-1422 Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
4021157-0701 Pd&e Electronics, Llc (USA)
SS4612 Freescale Semiconductor, Inc. (USA)
Related Parts
5120-00-893-5686INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5961-00-448-5399?

NSN 5961-00-448-5399 is a Transistor, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-448-5399?

NSN 5961-00-448-5399 has 6 cross-referenced part numbers: 4021157-0701 (Raytheon Company Dba Raytheon Co), SES399 (Semitronics Corp), SGB4674 (Texas Instruments Incorporated), ST-1422 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), 4021157-0701 (Pd&e Electronics, Llc) and 1 more.

What NSN replaces 5961-00-448-5399?

There is 1 known substitute for 5961-00-448-5399: 5120-00-893-5686. Verify interchangeability with system specifications before substitution.

What are the specifications of 4021157-0701?

Key specifications for 4021157-0701: Semiconductor Material: SILICON; Terminal Length: 0.5000 INCHES MINIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Overall Length: 0.210 INCHES MAXIMUM IN. 15 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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