PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5525BSemiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-055-8295 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-055-8295 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-055-8295. Primary manufacturer part number: 1N5525B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION
  • Material: SILICON SEMICONDUCTOR
  • Test Data Document: 81349-MIL-C-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.).
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.092 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • 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 5961-01-055-8295, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-055-8295
Primary Part Number1N5525B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Specification/standard Data81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION
MaterialSILICON SEMICONDUCTOR
Test Data Document81349-MIL-C-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.).
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Overall Diameter0.092 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialGLASS ENCLOSURE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Current Rating Per Characteristic965.00 MILLIAMPERES MAXIMUM PEAK REVERSE SURGE CURRENT
Terminal Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic6.2 MAXIMUM NOMINAL REGULATOR VOLTAGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5961-00-502-5161 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-075-4007 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-333-4345 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N5525B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/437 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/437 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N5525B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
231051058 Dare Electronics, Inc. (USA)
Related Parts
5961-00-502-5161INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-075-4007INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-333-4345INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-055-8295?

NSN 5961-01-055-8295 is a Semiconductor Device,diode, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-055-8295?

NSN 5961-01-055-8295 has 5 cross-referenced part numbers: 1N5525B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/437 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/437 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN1N5525B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 231051058 (Dare Electronics, Inc.).

What NSN replaces 5961-01-055-8295?

There are 3 known substitutes for 5961-01-055-8295: 5961-00-502-5161, 5961-01-075-4007, 5961-01-333-4345. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5525B?

Key specifications for 1N5525B: Specification/standard Data: 81349-MIL-S-19500/437 GOVERNMENT SPECIFICATION; Material: SILICON SEMICONDUCTOR; Test Data Document: 81349-MIL-C-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.).; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-055-8295 still in active supply?

NSN 5961-01-055-8295 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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