PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB524919Transistor

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5961-00-857-3263 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-857-3263 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-857-3263. Primary manufacturer part number: SMB524919.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Mounting Method: UNTHREADED HOLE(S)
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 375.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 250.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-857-3263, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-857-3263
Primary Part NumberSMB524919
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Overall Diameter0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 1 CASE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting MethodUNTHREADED HOLE(S)
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic375.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 250.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Mounting Facility Quantity2
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Semiconductor MaterialSILICON
Current Rating Per Characteristic2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 1.00 AMPERES MAXIMUM BASE CURRENT, DC
Power Rating Per Characteristic35.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-137-8367 INTERCHANGEABLE
Transistor
5961-00-469-9902352-0711-021 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-852-2552 INTERCHANGEABLE
Transistor
5330-01-020-52002N3584 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
5961-01-328-7414 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
SMB524919 Syntar Industries Inc (USA)
2N3584 Silicon Transistor Corporation Dba Same (USA)
SMB524919 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2N3584 Raytheon Company Div Corp (USA)
2N3584 Raytheon Company Dba Raytheon Co (USA)
2N3584 Renesas Electronics America Inc (USA)
Related Parts
5961-00-137-8367INTERCHANGEABLE
TRANSISTOR
5961-00-469-9902INTERCHANGEABLE
TRANSISTOR
352-0711-021
5961-00-852-2552INTERCHANGEABLE
TRANSISTOR
5330-01-020-5200INTERCHANGEABLE
GASKET
2N3584
5961-01-328-7414INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-857-3263?

NSN 5961-00-857-3263 is a Transistor, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-857-3263?

NSN 5961-00-857-3263 has 6 cross-referenced part numbers: SMB524919 (Syntar Industries Inc), 2N3584 (Silicon Transistor Corporation Dba Same), SMB524919 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 2N3584 (Raytheon Company Div Corp), 2N3584 (Raytheon Company Dba Raytheon Co) and 1 more.

What NSN replaces 5961-00-857-3263?

There are 5 known substitutes for 5961-00-857-3263: 5961-00-137-8367, 5961-00-469-9902, 5961-00-852-2552 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB524919?

Key specifications for SMB524919: Overall Diameter: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 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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