PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3511Transistor

Freescale Semiconductor, Inc. · NSN 5961-01-169-6501 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-169-6501 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-169-6501. Primary manufacturer part number: 2N3511.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Terminal Circle Diameter: 0.019 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • 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 5961-01-169-6501, 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 Freescale Semiconductor, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-169-6501
Primary Part Number2N3511
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.230 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM IN
Terminal Circle Diameter0.019 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 21803
Power Rating Per Characteristic1.2 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-112-13169000-0019 INTERCHANGEABLE
Plate,retaining,bearing
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5961-00-118-8031 INTERCHANGEABLE
Transistor
5120-00-180-293621803 INTERCHANGEABLE
Clamp,screw,quick Adjusting
Wilton Corp Wilton Tool Div
2990-00-432-133321803 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5998-01-383-740521803 INTERCHANGEABLE
Circuit Card Assembly
Motorola/codex Corp Sub of Motorola Inc
7510-01-389-3521 INTERCHANGEABLE
Tape,identification
3040-01-419-363221803 INTERCHANGEABLE
Hub,body
Elbitamerica, Inc.
5331-01-685-912221803 INTERCHANGEABLE
O-Ring
Inter-Coastal Electronics, Llc
4810-01-699-456921803-1003-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-699-457821803-1002-1 INTERCHANGEABLE
Cap,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
2N3511 Freescale Semiconductor, Inc. (USA)
21803 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
3110-00-112-1316INTERCHANGEABLE
PLATE,RETAINING,BEARING
9000-0019
5961-00-118-8031INTERCHANGEABLE
TRANSISTOR
5120-00-180-2936INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
21803
2990-00-432-1333INTERCHANGEABLE
MUFFLER,EXHAUST
21803
5998-01-383-7405INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21803
7510-01-389-3521INTERCHANGEABLE
TAPE,IDENTIFICATION
3040-01-419-3632INTERCHANGEABLE
HUB,BODY
21803
5331-01-685-9122INTERCHANGEABLE
O-RING
21803
4810-01-699-4569INTERCHANGEABLE
CAP,VALVE
21803-1003-1
4810-01-699-4578INTERCHANGEABLE
CAP,VALVE
21803-1002-1

Frequently Asked Questions

What is NSN 5961-01-169-6501?

NSN 5961-01-169-6501 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-169-6501?

NSN 5961-01-169-6501 has 2 cross-referenced part numbers: 2N3511 (Freescale Semiconductor, Inc.), 21803 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5961-01-169-6501?

There are 10 known substitutes for 5961-01-169-6501: 3110-00-112-1316, 5961-00-118-8031, 5120-00-180-2936 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3511?

Key specifications for 2N3511: Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Length: 0.150 INCHES MAXIMUM IN; Overall Diameter: 0.230 INCHES MAXIMUM IN. 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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