PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TP2020Transistor

Micro Uspd Inc · NSN 5961-01-036-4459 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-036-4459 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-036-4459. Primary manufacturer part number: TP2020.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • 6 verified cross-references
  • Primary manufacturer: Micro Uspd Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-036-4459, 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 Micro Uspd Inc. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-036-4459
Primary Part NumberTP2020
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicro Uspd Inc
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Semiconductor MaterialSILICON
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-020-7921VP2023 INTERCHANGEABLE
Transistor
Micro Uspd Inc
2910-00-127-6107BDN8S2 INTERCHANGEABLE
Parts Kit,fuel Injection Nozzle
Capitol Engine Co, Inc Dba Salmini Worldwide
5961-00-225-9617 INTERCHANGEABLE
Transistor
5961-00-254-3202 INTERCHANGEABLE
Transistor
4320-00-360-163821397 INTERCHANGEABLE
Mounting Flange Subassembly
Parker Hannifin Corporation Div Hydraulic Systems Division
5961-00-469-9901352-0704-021 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-501-1146352-0704-072 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5315-00-753-96637539663 INTERCHANGEABLE
Pin,straight,headed
U S Army Tank Automotive Command Amsta-Im-Mm
5961-00-946-7727 INTERCHANGEABLE
Transistor
5961-01-065-0017 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
66742 Renesas Electronics America Inc (USA)
019-005383 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
JANTX2N3879 Micro Uspd Inc (USA)
2N3879 Micro Uspd Inc (USA)
TP2020 PRIMARY Micro Uspd Inc (USA)
2N3879 Intersil Inc Sub of General Electric Co (USA)
Related Parts
5961-00-020-7921INTERCHANGEABLE
TRANSISTOR
VP2023
2910-00-127-6107INTERCHANGEABLE
PARTS KIT,FUEL INJECTION NOZZLE
BDN8S2
5961-00-225-9617INTERCHANGEABLE
TRANSISTOR
5961-00-254-3202INTERCHANGEABLE
TRANSISTOR
4320-00-360-1638INTERCHANGEABLE
MOUNTING FLANGE SUBASSEMBLY
21397
5961-00-469-9901INTERCHANGEABLE
TRANSISTOR
352-0704-021
5961-00-501-1146INTERCHANGEABLE
TRANSISTOR
352-0704-072
5315-00-753-9663INTERCHANGEABLE
PIN,STRAIGHT,HEADED
7539663
5961-00-946-7727INTERCHANGEABLE
TRANSISTOR
5961-01-065-0017INTERCHANGEABLE
TRANSISTOR
5961-01-133-3751INTERCHANGEABLE
TRANSISTOR
JANTX2N3879
5930-01-181-6360INTERCHANGEABLE
SWITCH,FLOW
66742

Frequently Asked Questions

What is NSN 5961-01-036-4459?

NSN 5961-01-036-4459 is a Transistor, manufactured by Micro Uspd Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-036-4459?

NSN 5961-01-036-4459 has 6 cross-referenced part numbers: 66742 (Renesas Electronics America Inc), 019-005383 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), JANTX2N3879 (Micro Uspd Inc), 2N3879 (Micro Uspd Inc), TP2020 (Micro Uspd Inc) and 1 more.

What NSN replaces 5961-01-036-4459?

There are 12 known substitutes for 5961-01-036-4459: 5961-00-020-7921, 2910-00-127-6107, 5961-00-225-9617 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TP2020?

Key specifications for TP2020: Features Provided: HERMETICALLY SEALED CASE; Overall Length: 1.103 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Special Features: THE HEIGHT DIA IS 0.620 AND BASE THICKNESS IS 0.250MIN AND 0.075MAX IN.2 HOLES 0.142MIN AND 0.152MAX IN.DIA TYP 0.958MIN AND 0.962 IN. APART FROM THEIR CENTERS ALONG THE LENGTH FROM THECENTER OF EACH HOLE TO THE OUTER EDGE COMES TO A 0.145 MAX RADIUS; JUNCTION PATTERN ARRANGEMENT: NPN IN. 9 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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