PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR21-1Transistor

Eldec Aerospace Corp · NSN 5961-00-329-6614 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-329-6614 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-329-6614. Primary manufacturer part number: TR21-1.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Terminal Circle Diameter: 0.146 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 1.50 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 25.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Length: 0.440 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-329-6614, 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 Eldec Aerospace Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-329-6614
Primary Part NumberTR21-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerEldec Aerospace Corp
StatusACTIVE
Mounting MethodTERMINAL
Terminal Circle Diameter0.146 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic1.50 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic25.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length0.440 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Overall Diameter0.650 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 55.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 12.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-892-08842N1484 INTERCHANGEABLE
Transistor
Silicon Transistor Corporation Dba Same
5961-00-984-81802N1484 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div Communication Systems-East
Cross-Reference Index
Part NumberManufacturer
2N1484 Silicon Transistor Corporation Dba Same (USA)
EDCTR21-1 Eldec Aerospace Corp (USA)
STC7291 Silicon Transistor Corporation Dba Same (USA)
2N1484 Renesas Electronics America Inc (USA)
TR21-1 PRIMARY Eldec Aerospace Corp (USA)
Related Parts
5961-00-892-0884INTERCHANGEABLE
TRANSISTOR
2N1484
5961-00-984-8180INTERCHANGEABLE
TRANSISTOR
2N1484

Frequently Asked Questions

What is NSN 5961-00-329-6614?

NSN 5961-00-329-6614 is a Transistor, manufactured by Eldec Aerospace Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-329-6614?

NSN 5961-00-329-6614 has 5 cross-referenced part numbers: 2N1484 (Silicon Transistor Corporation Dba Same), EDCTR21-1 (Eldec Aerospace Corp), STC7291 (Silicon Transistor Corporation Dba Same), 2N1484 (Renesas Electronics America Inc), TR21-1 (Eldec Aerospace Corp).

What NSN replaces 5961-00-329-6614?

There are 2 known substitutes for 5961-00-329-6614: 5961-00-892-0884, 5961-00-984-8180. Verify interchangeability with system specifications before substitution.

What are the specifications of TR21-1?

Key specifications for TR21-1: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Mounting Method: TERMINAL; Terminal Circle Diameter: 0.146 INCHES MAXIMUM IN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 15 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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