PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1201ASemiconductor Device,diode

Microsemi Corp - Massachusetts · NSN 5961-01-098-6437 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-098-6437 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-098-6437. Primary manufacturer part number: 1N1201A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Thread Series Designator: UNF
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Material: SILICON SEMICONDUCTOR
  • Current Rating Per Characteristic: 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Features Provided: HERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Overall Width Across Flats: 0.424 INCHES MINIMUM AND 0.437 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 5961-01-098-6437, 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 Corp - Massachusetts. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5961-01-098-6437
Primary Part Number1N1201A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicrosemi Corp - Massachusetts
StatusACTIVE
Thread Series DesignatorUNF
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
MaterialSILICON SEMICONDUCTOR
Current Rating Per Characteristic15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Overall Width Across Flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic150.0 MINIMUM REVERSE VOLTAGE, PEAK
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-4
Nominal Thread Size0.190 INCHES IN
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-080-3671 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-935-0138 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
FBL-00-138 Veeco Instruments Inc Lambda Div (USA)
D628ED Trak Microwave Corp-Western Div (USA)
1N1201A PRIMARY Microsemi Corp - Massachusetts (USA)
1N10201A Microsemi Corp - Massachusetts (USA)
Related Parts
5961-00-080-3671INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-935-0138INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-098-6437?

NSN 5961-01-098-6437 is a Semiconductor Device,diode, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-098-6437?

NSN 5961-01-098-6437 has 4 cross-referenced part numbers: FBL-00-138 (Veeco Instruments Inc Lambda Div), D628ED (Trak Microwave Corp-Western Div), 1N1201A (Microsemi Corp - Massachusetts), 1N10201A (Microsemi Corp - Massachusetts).

What NSN replaces 5961-01-098-6437?

There are 2 known substitutes for 5961-01-098-6437: 5961-00-080-3671, 5961-00-935-0138. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1201A?

Key specifications for 1N1201A: Thread Series Designator: UNF; Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD; Material: SILICON SEMICONDUCTOR; Current Rating Per Characteristic: 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC. 13 total characteristics are documented in the Federal Logistics Information System.

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