PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N2637Semiconductor Device,diode

Rsm Electron Power Inc · NSN 5961-00-850-3003 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-850-3003 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-850-3003. Primary manufacturer part number: 1N2637.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Criticality Code Justification: FEAT
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC
  • Mounting Method: TERMINAL
  • Overall Diameter: 1.380 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 10000.0 MAXIMUM REVERSE VOLTAGE, PEAK
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 5961-00-850-3003, 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 Rsm Electron Power Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-850-3003
Primary Part Number1N2637
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRsm Electron Power Inc
StatusCANCELLED
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Criticality Code JustificationFEAT
Maximum Operating Temp Per Measurement Point100.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
Overall Diameter1.380 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic10000.0 MAXIMUM REVERSE VOLTAGE, PEAK
Current Rating Per Characteristic250.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Specification/standard Data80131-RELEASE3659 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Type and Quantity4 PIN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6685-00-526-7864 INTERCHANGEABLE
Transmitter,pressure
Cross-Reference Index
Part NumberManufacturer
1N2637 International Rectifier Corporation (USA)
1N2637 Electronic Industries Association
1N2637 Sykes B Ltd (USA)
ST7A International Rectifier Corporation (USA)
1N2637 Edal Industries, Inc. Dba Edal Industries Inc (USA)
RELEASE 3659 Electronic Industries Association
1N2637 PRIMARY Rsm Electron Power Inc (USA)
1N2637 PRIMARY Semitronics Corp (USA)
Related Parts
6685-00-526-7864INTERCHANGEABLE
TRANSMITTER,PRESSURE

Frequently Asked Questions

What is NSN 5961-00-850-3003?

NSN 5961-00-850-3003 is a Semiconductor Device,diode, manufactured by Rsm Electron Power Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-850-3003?

NSN 5961-00-850-3003 has 8 cross-referenced part numbers: 1N2637 (International Rectifier Corporation), 1N2637 (Electronic Industries Association), 1N2637 (Sykes B Ltd), ST7A (International Rectifier Corporation), 1N2637 (Edal Industries, Inc. Dba Edal Industries Inc) and 3 more.

What NSN replaces 5961-00-850-3003?

There is 1 known substitute for 5961-00-850-3003: 6685-00-526-7864. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N2637?

Key specifications for 1N2637: Material: GLASS ENCLOSURE; Material: SILICON SEMICONDUCTOR; Criticality Code Justification: FEAT; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-850-3003 still in active supply?

NSN 5961-00-850-3003 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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