PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40373Transistor

Renesas Electronics America Inc · NSN 5961-00-104-8404 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-104-8404 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-104-8404. Primary manufacturer part number: 40373.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Power Rating Per Characteristic: 5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Type and Quantity: 3 PIN3 PIN
  • Mounting Method: TERMINALTERMINAL
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
  • Semiconductor Material: SILICONSILICON
  • Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-104-8404, 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 Renesas Electronics America Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5961-00-104-8404
Primary Part Number40373
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRenesas Electronics America Inc
StatusACTIVE
Voltage Rating in Volts Per Characteristic160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Power Rating Per Characteristic5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Type and Quantity3 PIN3 PIN
Mounting MethodTERMINALTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICONSILICON
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Internal Junction ConfigurationNPNNPN
Current Rating Per Characteristic2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Length0.270 INCHES MINIMUM0.270 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-865-1683 INTERCHANGEABLE
Belt,take-Up Assy
5895-01-377-71051219739-207 INTERCHANGEABLE
Modem,communications
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
40373 Renesas Electronics America Inc (USA)
40373 Lacon Electronic Gmbh (DEU)
40373 Adelco Elektronik Gmbh (DEU)
40373A Adelco Elektronik Gmbh (DEU)
Related Parts
3030-00-865-1683INTERCHANGEABLE
BELT,TAKE-UP ASSY
5895-01-377-7105INTERCHANGEABLE
MODEM,COMMUNICATIONS
1219739-207

Frequently Asked Questions

What is NSN 5961-00-104-8404?

NSN 5961-00-104-8404 is a Transistor, manufactured by Renesas Electronics America Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-104-8404?

NSN 5961-00-104-8404 has 4 cross-referenced part numbers: 40373 (Renesas Electronics America Inc), 40373 (Lacon Electronic Gmbh), 40373 (Adelco Elektronik Gmbh), 40373A (Adelco Elektronik Gmbh).

What NSN replaces 5961-00-104-8404?

There are 2 known substitutes for 5961-00-104-8404: 3030-00-865-1683, 5895-01-377-7105. Verify interchangeability with system specifications before substitution.

What are the specifications of 40373?

Key specifications for 40373: Voltage Rating in Volts Per Characteristic: 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 160.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Power Rating Per Characteristic: 5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION5.8 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Terminal Type and Quantity: 3 PIN3 PIN; Mounting Method: TERMINALTERMINAL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com