PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NSE9540Transistor

Microsemi Corp - Massachusetts · NSN 5961-01-177-0414 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-177-0414 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-177-0414. Primary manufacturer part number: NSE9540.
Features
  • Transistor — FSC 5961
  • Mounting Method: UNTHREADED HOLE(S)
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 75.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Current Rating Per Characteristic: 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 120.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
  • Internal Configuration: JUNCTION CONTACT-DARLINGTON CONNECTED
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-177-0414, 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 Microsemi Corp - Massachusetts. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-177-0414
Primary Part NumberNSE9540
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicrosemi Corp - Massachusetts
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S)
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic75.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Current Rating Per Characteristic8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 120.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
Internal ConfigurationJUNCTION CONTACT-DARLINGTON CONNECTED
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting Facility Quantity2
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Semiconductor MaterialSILICON
Specification/standard Data00724-20-01016 MANUFACTURERS SOURCE CONTROL
Terminal Type and Quantity2 PIN AND 1 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-274-2406 INTERCHANGEABLE
Transistor
5961-01-168-6541 INTERCHANGEABLE
Transistor
5961-01-176-98495189447 INTERCHANGEABLE
Transistor
Naval Sea Systems Command
5961-01-338-217020-01016-002 INTERCHANGEABLE
Transistor
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
20-01016-001 Silicon Transistor Corporation Dba Same (USA)
STJ6011 Silicon Transistor Corporation Dba Same (USA)
20-01016-001 Raytheon Company (USA)
2N6301 Microsemi Corp - Massachusetts (USA)
2N6301 Freescale Semiconductor, Inc. (USA)
NSE9540 PRIMARY Microsemi Corp - Massachusetts (USA)
Related Parts
5961-00-274-2406INTERCHANGEABLE
TRANSISTOR
5961-01-168-6541INTERCHANGEABLE
TRANSISTOR
5961-01-176-9849INTERCHANGEABLE
TRANSISTOR
5189447
5961-01-338-2170INTERCHANGEABLE
TRANSISTOR
20-01016-002

Frequently Asked Questions

What is NSN 5961-01-177-0414?

NSN 5961-01-177-0414 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-177-0414?

NSN 5961-01-177-0414 has 6 cross-referenced part numbers: 20-01016-001 (Silicon Transistor Corporation Dba Same), STJ6011 (Silicon Transistor Corporation Dba Same), 20-01016-001 (Raytheon Company), 2N6301 (Microsemi Corp - Massachusetts), 2N6301 (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5961-01-177-0414?

There are 4 known substitutes for 5961-01-177-0414: 5961-00-274-2406, 5961-01-168-6541, 5961-01-176-9849 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NSE9540?

Key specifications for NSE9540: Mounting Method: UNTHREADED HOLE(S); Features Provided: HERMETICALLY SEALED CASE; Overall Length: 1.252 INCHES MAXIMUM IN; Power Rating Per Characteristic: 75.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION. 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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