PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S12A40Rectifier,semiconductor Device

Rsm Electron Power Inc · NSN 5961-01-023-8511 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-023-8511 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-023-8511. Primary manufacturer part number: S12A40.
Features
  • Rectifier,semiconductor Device — FSC 5961
  • Mounting Method: UNTHREADED HOLE(S)
  • Circuit Connection Style Designator: BRIDGE 1 PHASE
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Material: SILICON
  • Operating Temp Range: -55.0 TO 150.0 CELSIUS DEGC
  • 8 verified cross-references
  • Primary manufacturer: Rsm Electron Power Inc
Applications
  • Applications requiring Silicon construction
General Description

The Rectifier,semiconductor Device, cataloged under National Stock Number 5961-01-023-8511, 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 Rsm Electron Power Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-023-8511
Primary Part NumberS12A40
Item NameRectifier,semiconductor Device
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRsm Electron Power Inc
StatusACTIVE
Mounting MethodUNTHREADED HOLE(S)
Circuit Connection Style DesignatorBRIDGE 1 PHASE
Terminal Type and Quantity4 TAB, SOLDER LUG
MaterialSILICON
Operating Temp Range-55.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5925-00-279-2931PA40 INTERCHANGEABLE
Circuit Breaker
Sensata Technologies, Inc. Div Sensata Attleboro
5331-00-291-4856301877 INTERCHANGEABLE
O-Ring
Brp Us Inc
5950-00-832-507226226 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
4730-01-234-1724PA-40 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Dixon Valve & Coupling Company, Llc Div Dixon Fire
5962-01-390-7751300978 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
7025-01-550-6914300978 INTERCHANGEABLE
Disk Drive Unit
Lacie Ltd
Cross-Reference Index
Part NumberManufacturer
PA40 Electronic Devices Inc Dba E D I (USA)
KBPC04 General Semiconductor Inc (USA)
2AFB40 Infineon Technologies Americas Corp (USA)
EC7616 Rsm Electron Power Inc (USA)
300978 Richards Imagery Interpretation Systems, L.l.c. (USA)
S12A40 PRIMARY Rsm Electron Power Inc (USA)
HBH04 General Semiconductor Inc (USA)
301877 Richards Imagery Interpretation Systems, L.l.c. (USA)
Related Parts
5925-00-279-2931INTERCHANGEABLE
CIRCUIT BREAKER
PA40
5331-00-291-4856INTERCHANGEABLE
O-RING
301877
5950-00-832-5072INTERCHANGEABLE
REACTOR
26226
4730-01-234-1724INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
PA-40
5962-01-390-7751INTERCHANGEABLE
MICROCIRCUIT,MEMORY
300978
7025-01-550-6914INTERCHANGEABLE
DISK DRIVE UNIT
300978

Frequently Asked Questions

What is NSN 5961-01-023-8511?

NSN 5961-01-023-8511 is a Rectifier,semiconductor Device, manufactured by Rsm Electron Power Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-023-8511?

NSN 5961-01-023-8511 has 8 cross-referenced part numbers: PA40 (Electronic Devices Inc Dba E D I), KBPC04 (General Semiconductor Inc), 2AFB40 (Infineon Technologies Americas Corp), EC7616 (Rsm Electron Power Inc), 300978 (Richards Imagery Interpretation Systems, L.l.c.) and 3 more.

What NSN replaces 5961-01-023-8511?

There are 6 known substitutes for 5961-01-023-8511: 5925-00-279-2931, 5331-00-291-4856, 5950-00-832-5072 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S12A40?

Key specifications for S12A40: Special Features: MOUNTING HOLE 0.193 IN.DIA;INCLOSURE FEATURE:HERMETICALLY SEALED IN; Mounting Method: UNTHREADED HOLE(S); Circuit Connection Style Designator: BRIDGE 1 PHASE; Overall Width: 1.125 INCHES MAXIMUM IN. 9 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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