PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

588870-1Transistor

Raytheon Company Div Corp · NSN 5961-01-042-2288 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-042-2288 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-042-2288. Primary manufacturer part number: 588870-1.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS JUNCTION DEGC
  • Mounting Method: UNTHREADED HOLE(S)
  • Internal Junction Configuration: NPN
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-042-2288, 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 Div Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5961-01-042-2288
Primary Part Number588870-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
Power Rating Per Characteristic90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Maximum Operating Temp Per Measurement Point165.0 CELSIUS JUNCTION DEGC
Mounting MethodUNTHREADED HOLE(S)
Internal Junction ConfigurationNPN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Specification/standard Data80131-RELEASE6333 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Mounting Facility Quantity1
Current Rating Per Characteristic3.00 AMPERES MAXIMUM BASE CURRENT, DC AND 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-497-4280200130 INTERCHANGEABLE
Transistor
Astronics Test Systems Inc
Cross-Reference Index
Part NumberManufacturer
588870-1 Raytheon Company Div Corp (USA)
RELEASE6333 Electronic Industries Association
2N5985 Electronic Industries Association
2N5985 Freescale Semiconductor, Inc. (USA)
2N5985 On Semiconductor Corporation (USA)
Related Parts
5961-00-497-4280INTERCHANGEABLE
TRANSISTOR
200130

Frequently Asked Questions

What is NSN 5961-01-042-2288?

NSN 5961-01-042-2288 is a Transistor, manufactured by Raytheon Company Div Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-042-2288?

NSN 5961-01-042-2288 has 5 cross-referenced part numbers: 588870-1 (Raytheon Company Div Corp), RELEASE6333 (Electronic Industries Association), 2N5985 (Electronic Industries Association), 2N5985 (Freescale Semiconductor, Inc.), 2N5985 (On Semiconductor Corporation).

What NSN replaces 5961-01-042-2288?

There is 1 known substitute for 5961-01-042-2288: 5961-00-497-4280. Verify interchangeability with system specifications before substitution.

What are the specifications of 588870-1?

Key specifications for 588870-1: Power Rating Per Characteristic: 90.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Overall Height: 0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Maximum Operating Temp Per Measurement Point: 165.0 CELSIUS JUNCTION DEGC; Mounting Method: UNTHREADED HOLE(S). 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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