PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S4320Semiconductor Device,diode

Microsemi Corp-Colorado · NSN 5961-00-136-8445 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-136-8445 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-136-8445. Primary manufacturer part number: S4320.
Features
  • Semiconductor Device,diode — FSC 5961
  • Electrode Internally-Electrically Connected to Case: CATHODE
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Overall Width Across Flats: 1.047 INCHES NOMINAL IN
  • Nominal Thread Size: 0.375 INCHES 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 5961-00-136-8445, 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 Microsemi Corp-Colorado. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN5961-00-136-8445
Primary Part NumberS4320
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicrosemi Corp-Colorado
StatusACTIVE
Electrode Internally-Electrically Connected to CaseCATHODE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Overall Width Across Flats1.047 INCHES NOMINAL IN
Nominal Thread Size0.375 INCHES IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-205AA
Current Rating Per Characteristic150.00 AMPERES MAXIMUM FORWARD CURRENT, DC AND 2500.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Terminal Type and Quantity1 INSULATED WIRE LEAD W/TERMINAL LUG AND 1 THREADED STUD
MaterialSILICON SEMICONDUCTOR
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-524-579462-963-004 INTERCHANGEABLE
Resistor,voltage Sensitive
Astec America Inc.
5961-01-006-1335150L20A INTERCHANGEABLE
Semiconductor Device,diode
Vishay Dale Electronics, Llc Div Vishay Americas
5961-01-395-0095S4320 INTERCHANGEABLE
Semiconductor Device,diode
Custom Power, Ltd.
Cross-Reference Index
Part NumberManufacturer
S4320 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
150L20 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
S4320 PRIMARY Microsemi Corp-Colorado (USA)
Related Parts
5905-00-524-5794INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
62-963-004
5961-01-006-1335INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
150L20A
5961-01-395-0095INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S4320

Frequently Asked Questions

What is NSN 5961-00-136-8445?

NSN 5961-00-136-8445 is a Semiconductor Device,diode, manufactured by Microsemi Corp-Colorado, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-136-8445?

NSN 5961-00-136-8445 has 3 cross-referenced part numbers: S4320 (Cen Electronics a Div of Chloride Power Electronics Inc), 150L20 (Cen Electronics a Div of Chloride Power Electronics Inc), S4320 (Microsemi Corp-Colorado).

What NSN replaces 5961-00-136-8445?

There are 3 known substitutes for 5961-00-136-8445: 5905-00-524-5794, 5961-01-006-1335, 5961-01-395-0095. Verify interchangeability with system specifications before substitution.

What are the specifications of S4320?

Key specifications for S4320: Electrode Internally-Electrically Connected to Case: CATHODE; Overall Length: 5.340 INCHES NOMINAL IN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK. 13 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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