PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M235A147-2Transistor

Instrument Systems Corp · NSN 5961-00-540-9619 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-540-9619 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-540-9619. Primary manufacturer part number: M235A147-2.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT-DARLINGTON CONNECTED
  • Voltage Rating in Volts Per Characteristic: -60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
  • Current Rating Per Characteristic: -0.50 AMPERES MAXIMUM BASE CURRENT, DC AND -16.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Method: UNTHREADED HOLE(S)
  • Power Rating Per Characteristic: 150.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • 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 5961-00-540-9619, 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 Instrument Systems Corp. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-540-9619
Primary Part NumberM235A147-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerInstrument Systems Corp
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT-DARLINGTON CONNECTED
Voltage Rating in Volts Per Characteristic-60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Current Rating Per Characteristic-0.50 AMPERES MAXIMUM BASE CURRENT, DC AND -16.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodUNTHREADED HOLE(S)
Power Rating Per Characteristic150.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Terminal Length0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Mounting Facility Quantity2
Test Data Document09966--235A147 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Terminal Type and Quantity2 PIN AND 1 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-126-763291555 INTERCHANGEABLE
Bracket
Telemechanics Inc
5935-00-201-84675264 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5955-00-250-0568 INTERCHANGEABLE
Crystal Unit,quartz
5120-00-261-2828 INTERCHANGEABLE
Socket,socket Wrench
3020-00-268-42005264 INTERCHANGEABLE
Gear,helical
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5305-00-316-8111A0L4169-5 INTERCHANGEABLE
Screw,cap,socket Head
All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners
5950-00-647-6871915-55 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5330-00-894-93135264 INTERCHANGEABLE
Packing with Retainer
Abb Installation Products Inc
5935-00-966-2008 INTERCHANGEABLE
Connector,plug,electrical
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
M235A147-2 PRIMARY Instrument Systems Corp (USA)
5264 Harris Corporation Div Microwave Communication Division (USA)
M235A147-2 Telephonics Corp (USA)
91555 Tandem Computers Inc (USA)
148-0141-001 Shugart Corp Dba Intl Assembly Specialists (USA)
MJ4030 Freescale Semiconductor, Inc. (USA)
Related Parts
5342-00-126-7632INTERCHANGEABLE
BRACKET
91555
5935-00-201-8467INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5264
5955-00-250-0568INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5120-00-261-2828INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3020-00-268-4200INTERCHANGEABLE
GEAR,HELICAL
5264
5305-00-316-8111INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
A0L4169-5
5950-00-647-6871INTERCHANGEABLE
TRANSFORMER,POWER
915-55
5330-00-894-9313INTERCHANGEABLE
PACKING WITH RETAINER
5264
5935-00-966-2008INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4730-01-106-1563INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
526-4
5365-01-158-2192INTERCHANGEABLE
SPACER,RING
91555

Frequently Asked Questions

What is NSN 5961-00-540-9619?

NSN 5961-00-540-9619 is a Transistor, manufactured by Instrument Systems Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-540-9619?

NSN 5961-00-540-9619 has 6 cross-referenced part numbers: M235A147-2 (Instrument Systems Corp), 5264 (Harris Corporation Div Microwave Communication Division), M235A147-2 (Telephonics Corp), 91555 (Tandem Computers Inc), 148-0141-001 (Shugart Corp Dba Intl Assembly Specialists) and 1 more.

What NSN replaces 5961-00-540-9619?

There are 12 known substitutes for 5961-00-540-9619: 5342-00-126-7632, 5935-00-201-8467, 5955-00-250-0568 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M235A147-2?

Key specifications for M235A147-2: Internal Configuration: JUNCTION CONTACT-DARLINGTON CONNECTED; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Voltage Rating in Volts Per Characteristic: -60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN; Current Rating Per Characteristic: -0.50 AMPERES MAXIMUM BASE CURRENT, DC AND -16.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC. 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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