PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21813Transistor

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-081-0241 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-081-0241 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-081-0241. Primary manufacturer part number: 21813.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Current Rating Per Characteristic: 120.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Mounting Facility Quantity: 1
  • Mounting Method: UNTHREADED HOLE(S)
  • Electrode Internally-Electrically Connected to Case: GATE
  • Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
Applications
  • Applications requiring Ceramic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-081-0241, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-081-0241
Primary Part Number21813
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Semiconductor MaterialSILICON
Current Rating Per Characteristic120.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 8.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Electrode Internally-Electrically Connected to CaseGATE
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic2.2 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 PIN
MaterialCERAMIC ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-089-2515SAE J531 4 130109EC INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
5330-00-402-989321794 INTERCHANGEABLE
Packing with Retainer
Amphenol Corp Div Amphenol Aerospace Operations
5961-00-846-9156 INTERCHANGEABLE
Transistor
5330-01-030-9091 INTERCHANGEABLE
Gasket
5961-01-088-6987 INTERCHANGEABLE
Transistor
6515-01-293-1884218103 INTERCHANGEABLE
Needle,suture
Aspen Surgical Products Inc
5950-01-419-224821813 INTERCHANGEABLE
Transformer,power
Elbitamerica, Inc.
4820-01-545-7699 INTERCHANGEABLE
Valve,linear,directional Control
Cross-Reference Index
Part NumberManufacturer
21813 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
2N6045TIN/LEAD Central Semiconductor, Llc Dba Central Semiconductor Corp (USA)
2N6045 Freescale Semiconductor, Inc. (USA)
2N6045 Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters (USA)
Related Parts
4730-00-089-2515INTERCHANGEABLE
PLUG,PIPE
SAE J531 4 130109EC
5330-00-402-9893INTERCHANGEABLE
PACKING WITH RETAINER
21794
5961-00-846-9156INTERCHANGEABLE
TRANSISTOR
5330-01-030-9091INTERCHANGEABLE
GASKET
5961-01-088-6987INTERCHANGEABLE
TRANSISTOR
6515-01-293-1884INTERCHANGEABLE
NEEDLE,SUTURE
218103
5950-01-419-2248INTERCHANGEABLE
TRANSFORMER,POWER
21813
4820-01-545-7699INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL

Frequently Asked Questions

What is NSN 5961-01-081-0241?

NSN 5961-01-081-0241 is a Transistor, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-081-0241?

NSN 5961-01-081-0241 has 4 cross-referenced part numbers: 21813 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 2N6045TIN/LEAD (Central Semiconductor, Llc Dba Central Semiconductor Corp), 2N6045 (Freescale Semiconductor, Inc.), 2N6045 (Semiconductor Components Industries, Llc Dba Semiconductor Components Industries Llc Div Corporate Headquarters).

What NSN replaces 5961-01-081-0241?

There are 8 known substitutes for 5961-01-081-0241: 4730-00-089-2515, 5330-00-402-9893, 5961-00-846-9156 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21813?

Key specifications for 21813: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Semiconductor Material: SILICON; Overall Width: 0.495 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Overall Length: 0.633 INCHES MINIMUM AND 0.643 INCHES MAXIMUM IN. 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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