PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

580-335Transistor

Ampex Systems Corp · NSN 5961-00-252-1329 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-252-1329 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-252-1329. Primary manufacturer part number: 580-335.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Overall Diameter: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Specification/standard Data: 80131-RELEASE5388 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-252-1329, 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 Ampex Systems Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, 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
NSN5961-00-252-1329
Primary Part Number580-335
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAmpex Systems Corp
StatusACTIVE
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Overall Diameter0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Specification/standard Data80131-RELEASE5388 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic55.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 3.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 35.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Terminal Length0.500 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic430.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 150.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-011-7020 INTERCHANGEABLE
Transistor
5961-00-252-1330 INTERCHANGEABLE
Transistor
5961-00-998-93142N4429 INTERCHANGEABLE
Transistor
New Jersey Semi-Conductor Products, Inc.
5961-01-006-7996352-1077-010 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
580-335 Ampex Systems Corp (USA)
2N4428 Semitronics Corp (USA)
2N4428 Osi Optoelectronics, Inc Dba Semicoa (USA)
2N4428 Freescale Semiconductor, Inc. (USA)
PT8696 Trw Electronics and Defense Sector Rf Devices (USA)
2N4428 Trw Electronics and Defense Sector Rf Devices (USA)
2744-3630241 Moseley Associates, Inc (USA)
2068530-0701 Raytheon Company Dba Raytheon Co (USA)
2N4428 Electronic Industries Association
RELEASE5388 Electronic Industries Association
Related Parts
5961-00-011-7020INTERCHANGEABLE
TRANSISTOR
5961-00-252-1330INTERCHANGEABLE
TRANSISTOR
5961-00-998-9314INTERCHANGEABLE
TRANSISTOR
2N4429
5961-01-006-7996INTERCHANGEABLE
TRANSISTOR
352-1077-010

Frequently Asked Questions

What is NSN 5961-00-252-1329?

NSN 5961-00-252-1329 is a Transistor, manufactured by Ampex Systems Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-252-1329?

NSN 5961-00-252-1329 has 10 cross-referenced part numbers: 580-335 (Ampex Systems Corp), 2N4428 (Semitronics Corp), 2N4428 (Osi Optoelectronics, Inc Dba Semicoa), 2N4428 (Freescale Semiconductor, Inc.), PT8696 (Trw Electronics and Defense Sector Rf Devices) and 5 more.

What NSN replaces 5961-00-252-1329?

There are 4 known substitutes for 5961-00-252-1329: 5961-00-011-7020, 5961-00-252-1330, 5961-00-998-9314 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 580-335?

Key specifications for 580-335: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION; Overall Diameter: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Mounting Method: TERMINAL. 14 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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