PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB2638Semiconductor Device,diode

Microsemi Corporation · NSN 5961-01-236-4452 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-236-4452 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-236-4452. Primary manufacturer part number: MB2638.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Nuclear Hardness Critical Feature: HARDENED
  • Features Provided: HERMETICALLY SEALED CASE
  • Material: SILICON SEMICONDUCTOR
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
  • Material: GLASS ENCLOSURE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-236-4452, 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 Microsemi Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-236-4452
Primary Part NumberMB2638
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicrosemi Corporation
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Nuclear Hardness Critical FeatureHARDENED
Features ProvidedHERMETICALLY SEALED CASE
MaterialSILICON SEMICONDUCTOR
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic600.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-250-97245152089-1 INTERCHANGEABLE
Semiconductor Device,diode
General Semiconductor Inc
Cross-Reference Index
Part NumberManufacturer
MB2638 Microsemi Corporation (USA)
280-20042-107 The Boeing Company Div Defense (USA)
Related Parts
5961-01-250-9724INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5152089-1

Frequently Asked Questions

What is NSN 5961-01-236-4452?

NSN 5961-01-236-4452 is a Semiconductor Device,diode, manufactured by Microsemi Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-236-4452?

NSN 5961-01-236-4452 has 2 cross-referenced part numbers: MB2638 (Microsemi Corporation), 280-20042-107 (The Boeing Company Div Defense).

What NSN replaces 5961-01-236-4452?

There is 1 known substitute for 5961-01-236-4452: 5961-01-250-9724. Verify interchangeability with system specifications before substitution.

What are the specifications of MB2638?

Key specifications for MB2638: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Nuclear Hardness Critical Feature: HARDENED; Features Provided: HERMETICALLY SEALED CASE; Material: SILICON SEMICONDUCTOR. 9 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