PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SEF70Semiconductor Device,diode

Semtech Corporation · NSN 5961-00-584-4179 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-584-4179 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-584-4179. Primary manufacturer part number: SEF70.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Terminal Length: 1.300 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.120 INCHES NOMINAL IN
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Features Provided: HERMETICALLY SEALED CASE
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 5961-00-584-4179, 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 Semtech Corporation. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-584-4179
Primary Part NumberSEF70
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemtech Corporation
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Terminal Length1.300 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Overall Diameter0.120 INCHES NOMINAL IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic290.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, AVERAGE
Voltage Rating in Volts Per Characteristic10000.0 MAXIMUM REVERSE VOLTAGE, PEAK
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5975-00-442-3500 INTERCHANGEABLE
Entrance Cap,electrical
5961-01-066-5562FM75 INTERCHANGEABLE
Semiconductor Device,diode
Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation
6105-01-168-6320CU09609057 INTERCHANGEABLE
Motor,control
Kearfott Corporation Div Guidance and Navigation Division
6625-01-524-6855F-75 INTERCHANGEABLE
Probe,test
Fischer Custom Communications Inc
6810-01-640-9583N-11168-10MG INTERCHANGEABLE
Benzo(k)fluoranthene
Chem Service Inc
Cross-Reference Index
Part NumberManufacturer
SEF70 Semtech Corporation (USA)
352250026339 Thales Nederland (NLD)
SM100F Semtech Corporation (USA)
SM100F Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation (MEX)
SFM70 Semtech Corporation (USA)
SM100F British Sarozal Ltd (GBR)
FM75 Semtech Corporation (USA)
F75 Semtech Corporation (USA)
Related Parts
5975-00-442-3500INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
5961-01-066-5562INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
FM75
6105-01-168-6320INTERCHANGEABLE
MOTOR,CONTROL
CU09609057
6625-01-524-6855INTERCHANGEABLE
PROBE,TEST
F-75
6810-01-640-9583INTERCHANGEABLE
BENZO(K)FLUORANTHENE
N-11168-10MG

Frequently Asked Questions

What is NSN 5961-00-584-4179?

NSN 5961-00-584-4179 is a Semiconductor Device,diode, manufactured by Semtech Corporation, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-584-4179?

NSN 5961-00-584-4179 has 8 cross-referenced part numbers: SEF70 (Semtech Corporation), 352250026339 (Thales Nederland), SM100F (Semtech Corporation), SM100F (Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation), SFM70 (Semtech Corporation) and 3 more.

What NSN replaces 5961-00-584-4179?

There are 5 known substitutes for 5961-00-584-4179: 5975-00-442-3500, 5961-01-066-5562, 6105-01-168-6320 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SEF70?

Key specifications for SEF70: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Terminal Length: 1.300 INCHES MAXIMUM IN; Mounting Method: TERMINAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-584-4179 still in active supply?

NSN 5961-00-584-4179 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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