PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S6420DSemiconductor Device,thyristor

Renesas Electronics America Inc · NSN 5961-01-313-6413 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-313-6413 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-313-6413. Primary manufacturer part number: S6420D.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Voltage Rating in Volts Per Characteristic: 660.0 NOMINAL NONREPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 400.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 1.1 NOMINAL GATE TRIGGER VOLTAGE, DC
  • Nominal Thread Size: 0.250 INCHES IN
  • Semiconductor Material: SILICON
  • Thread Series Designator: UNF
  • Power Rating Per Characteristic: 40.0 WATTS NOMINAL PEAK GATE POWER DISSIPATION AND 0.5 WATTS NOMINAL AVERAGE GATE POWER DISSIPATION
  • Thread Quantity Per Inch: 28
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-01-313-6413, 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 Renesas Electronics America Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-313-6413
Primary Part NumberS6420D
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRenesas Electronics America Inc
StatusACTIVE
Terminal Type and Quantity3 TAB, SOLDER LUG
Voltage Rating in Volts Per Characteristic660.0 NOMINAL NONREPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 400.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 1.1 NOMINAL GATE TRIGGER VOLTAGE, DC
Nominal Thread Size0.250 INCHES IN
Semiconductor MaterialSILICON
Thread Series DesignatorUNF
Power Rating Per Characteristic40.0 WATTS NOMINAL PEAK GATE POWER DISSIPATION AND 0.5 WATTS NOMINAL AVERAGE GATE POWER DISSIPATION
Thread Quantity Per Inch28
Overall Width Across Flats0.551 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS CASE DEGC
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Current Rating Per Characteristic35.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL AND 22.00 AMPERES NOMINAL ON-STATE CURRENT, AVERAGE AND 25.00 MILLIAMPERES NOMINAL GATE TRIGGER CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5133-00-841-8708 INTERCHANGEABLE
Drill,twist
5340-01-309-7129 INTERCHANGEABLE
Bracket,double Angle
6210-01-323-16745829954-2 INTERCHANGEABLE
Light Assembly,indicator
Naval Sea Systems Command
5306-01-557-052812759-00625 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
S6420D Renesas Electronics America Inc (USA)
40682 Renesas Electronics America Inc (USA)
Related Parts
5133-00-841-8708INTERCHANGEABLE
DRILL,TWIST
5340-01-309-7129INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
6210-01-323-1674INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5829954-2
5306-01-557-0528INTERCHANGEABLE
BOLT,MACHINE
12759-00625

Frequently Asked Questions

What is NSN 5961-01-313-6413?

NSN 5961-01-313-6413 is a Semiconductor Device,thyristor, manufactured by Renesas Electronics America Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-313-6413?

NSN 5961-01-313-6413 has 2 cross-referenced part numbers: S6420D (Renesas Electronics America Inc), 40682 (Renesas Electronics America Inc).

What NSN replaces 5961-01-313-6413?

There are 4 known substitutes for 5961-01-313-6413: 5133-00-841-8708, 5340-01-309-7129, 6210-01-323-1674 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S6420D?

Key specifications for S6420D: Terminal Type and Quantity: 3 TAB, SOLDER LUG; Voltage Rating in Volts Per Characteristic: 660.0 NOMINAL NONREPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 400.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE, GATE TERMINAL OPEN-CIRCUITED AND 1.1 NOMINAL GATE TRIGGER VOLTAGE, DC; Nominal Thread Size: 0.250 INCHES IN; Semiconductor Material: SILICON. 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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