PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N2577Semiconductor Device,diode

Solid State Devices, Inc · NSN 5961-00-838-4144 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-838-4144 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-838-4144. Primary manufacturer part number: 1N2577.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Material: GLASS ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Mounting Facility Quantity: 1
  • Features Provided: HERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS CASE DEGC
  • Current Rating Per Characteristic: 250.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-838-4144, 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 Solid State 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-838-4144
Primary Part Number1N2577
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSolid State Devices, Inc
StatusCANCELLED
Terminal Type and Quantity2 TAB, SOLDER LUG
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS CASE DEGC
Current Rating Per Characteristic250.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Nominal Thread Size0.190 INCHES IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-10
Overall Diameter0.487 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S)
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5961-00-052-8556 INTERCHANGEABLE
Transistor
5961-00-107-0732 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-415-45581N2582 INTERCHANGEABLE
Semiconductor Device,diode
Solid State Devices, Inc
5961-00-727-92761N2571 INTERCHANGEABLE
Semiconductor Device,diode
Solid State Devices, Inc
5961-00-813-5744 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-829-3179 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-845-7440 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-944-7700 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-281-2241 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
RELEASE2562 Electronic Industries Association
1N2577 PRIMARY Solid State Devices, Inc (USA)
1N2577 Bradley Semiconductor Corp (USA)
BY502 Bradley Semiconductor Corp (USA)
1N2577 Semitronics Corp (USA)
1N2577 Semicon Components Inc (USA)
1N2577 Electronic Industries Association
Related Parts
5961-00-052-8556INTERCHANGEABLE
TRANSISTOR
5961-00-107-0732INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-415-4558INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N2582
5961-00-727-9276INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N2571
5961-00-813-5744INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-829-3179INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-845-7440INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-944-7700INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-281-2241INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-838-4144?

NSN 5961-00-838-4144 is a Semiconductor Device,diode, manufactured by Solid State Devices, Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-838-4144?

NSN 5961-00-838-4144 has 7 cross-referenced part numbers: RELEASE2562 (Electronic Industries Association), 1N2577 (Solid State Devices, Inc), 1N2577 (Bradley Semiconductor Corp), BY502 (Bradley Semiconductor Corp), 1N2577 (Semitronics Corp) and 2 more.

What NSN replaces 5961-00-838-4144?

There are 9 known substitutes for 5961-00-838-4144: 5961-00-052-8556, 5961-00-107-0732, 5961-00-415-4558 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N2577?

Key specifications for 1N2577: Terminal Type and Quantity: 2 TAB, SOLDER LUG; Material: GLASS ENCLOSURE; Material: SILICON SEMICONDUCTOR; Mounting Facility Quantity: 1. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-838-4144 still in active supply?

NSN 5961-00-838-4144 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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