PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PS656Semiconductor Device,diode

Trw Electronics and Defense Sector Rf Devices · NSN 5961-01-123-0785 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-123-0785 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-123-0785. Primary manufacturer part number: PS656.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Specification/standard Data: 81349-MIL-S-19500/240 GOVERNMENT SPECIFICATION
  • Material: GLASS ENCLOSURE
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 480.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
  • Terminal Length: 1.000 INCHES MINIMUM 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 5961-01-123-0785, 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 Trw Electronics and Defense Sector Rf Devices. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-123-0785
Primary Part NumberPS656
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTrw Electronics and Defense Sector Rf Devices
StatusCANCELLED
MaterialSILICON SEMICONDUCTOR
Specification/standard Data81349-MIL-S-19500/240 GOVERNMENT SPECIFICATION
MaterialGLASS ENCLOSURE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic480.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE
Terminal Length1.000 INCHES MINIMUM IN
Overall Diameter0.090 INCHES MAXIMUM IN
Current Rating Per Characteristic5.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT AND 400.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
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.).
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-060-39251N647 INTERCHANGEABLE
Semiconductor Device,diode
General Semiconductor Inc
5961-00-064-2379 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-087-6047 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-113-9924 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-89761N647 INTERCHANGEABLE
Semiconductor Device,diode
Gte Products Corp Precision Materials Products Business Parts Div
5961-00-476-43861N647 INTERCHANGEABLE
Semiconductor Device,diode
Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
5961-00-491-2336507522-2 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-00-577-60851N647 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-00-583-42498826051 INTERCHANGEABLE
Semiconductor Device,diode
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
5961-00-626-0041 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
PS656 Trw Electronics and Defense Sector Rf Devices (USA)
SG174 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
HR1033S Stellant Systems Inc (USA)
322M0315P001 Raytheon Company Div Corp (USA)
1N302 Raytheon Company Dba Raytheon Co (USA)
1N646 Texas Instruments Incorporated (USA)
461049-5 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
10133230 Nimikkeistokeskus Ncb Finland (FIN)
5961009854900 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
353-2856-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-2596-001 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
5961PL0189949 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS24693-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1N647-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
322M0315P001 Raytheon Company Dba Raytheon Co (USA)
IN647 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JTX1N647-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N647 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RELEASE 2663 Electronic Industries Association
Related Parts
5961-00-060-3925INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N647
5961-00-064-2379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-087-6047INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-113-9924INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-8976INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N647
5961-00-476-4386INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N647
5961-00-491-2336INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
507522-2
5961-00-577-6085INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N647
5961-00-583-4249INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
8826051
5961-00-626-0041INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-628-5928INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-632-3511INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-123-0785?

NSN 5961-01-123-0785 is a Semiconductor Device,diode, manufactured by Trw Electronics and Defense Sector Rf Devices, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-123-0785?

NSN 5961-01-123-0785 has 28 cross-referenced part numbers: PS656 (Trw Electronics and Defense Sector Rf Devices), SG174 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), HR1033S (Stellant Systems Inc), 322M0315P001 (Raytheon Company Div Corp), 1N302 (Raytheon Company Dba Raytheon Co) and 23 more.

What NSN replaces 5961-01-123-0785?

There are 12 known substitutes for 5961-01-123-0785: 5961-00-060-3925, 5961-00-064-2379, 5961-00-087-6047 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PS656?

Key specifications for PS656: Material: SILICON SEMICONDUCTOR; Specification/standard Data: 81349-MIL-S-19500/240 GOVERNMENT SPECIFICATION; Material: GLASS ENCLOSURE; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-123-0785 still in active supply?

NSN 5961-01-123-0785 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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