PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A20644H01Semiconductor Device,diode

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5961-01-295-4534 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-295-4534 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-295-4534. Primary manufacturer part number: 1A20644H01.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: GLASS ENCLOSURE
  • Voltage Rating in Volts Per Characteristic: 3.9 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Current Rating Per Characteristic: 20.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.107 INCHES MAXIMUM IN
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 5961-01-295-4534, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5961-01-295-4534
Primary Part Number1A20644H01
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
Voltage Rating in Volts Per Characteristic3.9 MAXIMUM NOMINAL REGULATOR VOLTAGE
Current Rating Per Characteristic20.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.107 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Length1.000 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Voltage Tolerance in Percent-1.0 TO 1.0
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-7
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-450-8526 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-111-7746 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
DZ870402A Microsemi Corp.-Scottsdale Dba Microsemi (USA)
JANTX1N748A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1A20644H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5961-00-450-8526INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-111-7746INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-295-4534?

NSN 5961-01-295-4534 is a Semiconductor Device,diode, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-295-4534?

NSN 5961-01-295-4534 has 3 cross-referenced part numbers: DZ870402A (Microsemi Corp.-Scottsdale Dba Microsemi), JANTX1N748A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1A20644H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5961-01-295-4534?

There are 2 known substitutes for 5961-01-295-4534: 5961-00-450-8526, 5961-01-111-7746. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A20644H01?

Key specifications for 1A20644H01: Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: GLASS ENCLOSURE; Voltage Rating in Volts Per Characteristic: 3.9 MAXIMUM NOMINAL REGULATOR VOLTAGE. 14 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