PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5242BSemiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-016-3981 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-016-3981 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-016-3981. Primary manufacturer part number: 1N5242B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Specification/standard Data: 81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION
  • Material: SILICON SEMICONDUCTOR
  • Voltage Rating in Volts Per Characteristic: 24.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
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 5961-01-016-3981, 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 Freescale Semiconductor, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN5961-01-016-3981
Primary Part Number1N5242B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION
MaterialSILICON SEMICONDUCTOR
Voltage Rating in Volts Per Characteristic24.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic511.00 MILLIAMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.092 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Terminal Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-482-33300400120003 INTERCHANGEABLE
Semiconductor Device,diode
Riimic, Llc Dba Sunair Electronics
5961-01-565-2281 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N5242B Freescale Semiconductor, Inc. (USA)
MIL-PRF-19500/437 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N5542 Freescale Semiconductor, Inc. (USA)
164-542 Systron-Donner Corp Microwave/instrument Div (USA)
164-542 Autek Systems Corp (USA)
MIL-S-19500/437 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N5542B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
164-0542 Autek Systems Corp (USA)
Related Parts
5961-00-482-3330INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
0400120003
5961-01-565-2281INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-016-3981?

NSN 5961-01-016-3981 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-016-3981?

NSN 5961-01-016-3981 has 8 cross-referenced part numbers: 1N5242B (Freescale Semiconductor, Inc.), MIL-PRF-19500/437 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N5542 (Freescale Semiconductor, Inc.), 164-542 (Systron-Donner Corp Microwave/instrument Div), 164-542 (Autek Systems Corp) and 3 more.

What NSN replaces 5961-01-016-3981?

There are 2 known substitutes for 5961-01-016-3981: 5961-00-482-3330, 5961-01-565-2281. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5242B?

Key specifications for 1N5242B: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Specification/standard Data: 81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION; Material: SILICON SEMICONDUCTOR. 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