PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SDT411Transistor

Solitron Devices, Inc. · NSN 5961-00-128-6250 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-128-6250 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-128-6250. Primary manufacturer part number: SDT411.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE
  • Semiconductor Material: SILICON
  • Overall Diameter: 0.875 INCHES MAXIMUM IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-128-6250, 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 Solitron Devices, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-128-6250
Primary Part NumberSDT411
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSolitron Devices, Inc.
StatusCANCELLED
Current Rating Per Characteristic2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 1 CASE
Semiconductor MaterialSILICON
Overall Diameter0.875 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting Facility Quantity2
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic100.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Unable to DecodeUNABLE TO DECODE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic300.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-01-032-8037 INTERCHANGEABLE
Transistor
5962-01-074-4121 INTERCHANGEABLE
Microcircuit,digital
5961-01-092-9499 INTERCHANGEABLE
Transistor
5340-01-244-5876700429DA INTERCHANGEABLE
Cap,protective,dust and Moisture
Molded Devices, Inc. Dba Mdi Div Molded Devices
5961-01-292-7346ECG94 INTERCHANGEABLE
Transistor
General Dynamics Government Systems Corporation
5411-01-481-5892700429 INTERCHANGEABLE
Ventilator 2-Way
Prc Composites, Llc Dba Globe Plastics
5985-01-502-3411 INTERCHANGEABLE
Support,antenna
Cross-Reference Index
Part NumberManufacturer
GT816BV1 Northrop Grumman Systems Corporation (USA)
ECG94 Philips Ecg Inc Div of North American Philips Corp (USA)
700429 Systron-Donner Corp Microwave/instrument Div (USA)
SDT411 PRIMARY Solitron Devices, Inc. (USA)
DTS411 Solitron Devices, Inc. (USA)
NTE94 Nte Electronics, Inc (USA)
ECG94 Philips Ecg Inc Div of North American Philips Corp (USA)
Related Parts
5961-01-032-8037INTERCHANGEABLE
TRANSISTOR
5962-01-074-4121INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5961-01-092-9499INTERCHANGEABLE
TRANSISTOR
5340-01-244-5876INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
700429DA
5961-01-292-7346INTERCHANGEABLE
TRANSISTOR
ECG94
5411-01-481-5892INTERCHANGEABLE
VENTILATOR 2-WAY
700429
5985-01-502-3411INTERCHANGEABLE
SUPPORT,ANTENNA

Frequently Asked Questions

What is NSN 5961-00-128-6250?

NSN 5961-00-128-6250 is a Transistor, manufactured by Solitron Devices, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-128-6250?

NSN 5961-00-128-6250 has 7 cross-referenced part numbers: GT816BV1 (Northrop Grumman Systems Corporation), ECG94 (Philips Ecg Inc Div of North American Philips Corp), 700429 (Systron-Donner Corp Microwave/instrument Div), SDT411 (Solitron Devices, Inc.), DTS411 (Solitron Devices, Inc.) and 2 more.

What NSN replaces 5961-00-128-6250?

There are 7 known substitutes for 5961-00-128-6250: 5961-01-032-8037, 5962-01-074-4121, 5961-01-092-9499 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SDT411?

Key specifications for SDT411: Current Rating Per Characteristic: 2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD AND 1 CASE; Semiconductor Material: SILICON; Overall Diameter: 0.875 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-128-6250 still in active supply?

NSN 5961-00-128-6250 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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