PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0303-025Semiconductor Device,diode

Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories · NSN 5961-00-401-0074 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-401-0074 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-401-0074. Primary manufacturer part number: 0303-025.
Features
  • Semiconductor Device,diode — FSC 5961
  • Current Rating Per Characteristic: 20.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
  • Mounting Method: TERMINAL
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC
  • Overall Diameter: 0.160 INCHES NOMINAL IN
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 4.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-401-0074, 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 Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-401-0074
Primary Part Number0303-025
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerHolt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories
StatusACTIVE
Current Rating Per Characteristic20.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.160 INCHES NOMINAL IN
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic4.3 MAXIMUM NOMINAL REGULATOR VOLTAGE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-430-5628SZ-43 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Apex Tool Group, Llc
Cross-Reference Index
Part NumberManufacturer
0303-025 Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories (USA)
SZ4.3 Japlar Group, Inc. Dba Japlar Schauer (USA)
Related Parts
5120-01-430-5628INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
SZ-43

Frequently Asked Questions

What is NSN 5961-00-401-0074?

NSN 5961-00-401-0074 is a Semiconductor Device,diode, manufactured by Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-401-0074?

NSN 5961-00-401-0074 has 2 cross-referenced part numbers: 0303-025 (Holt Instrument Laboratories, Llc Dba Holt Instrument Division Div Holt Instrument Laboratories), SZ4.3 (Japlar Group, Inc. Dba Japlar Schauer).

What NSN replaces 5961-00-401-0074?

There is 1 known substitute for 5961-00-401-0074: 5120-01-430-5628. Verify interchangeability with system specifications before substitution.

What are the specifications of 0303-025?

Key specifications for 0303-025: Current Rating Per Characteristic: 20.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT; Mounting Method: TERMINAL; Terminal Length: 1.000 INCHES MINIMUM IN; Overall Length: 0.437 INCHES NOMINAL IN. 11 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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