PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

151-0478-00Transistor

Tektronix, Inc. · NSN 5961-00-350-8230 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-350-8230 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-350-8230. Primary manufacturer part number: 151-0478-00.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Power Rating Per Characteristic: 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Mounting Facility Quantity: 1
  • Features Provided: HERMETICALLY SEALED CASE
  • 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 5961-00-350-8230, 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 Tektronix, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-350-8230
Primary Part Number151-0478-00
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTektronix, Inc.
StatusCANCELLED
Internal ConfigurationJUNCTION CONTACT
Current Rating Per Characteristic1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Power Rating Per Characteristic2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Mounting Facility Quantity1
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point165.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Mounting MethodUNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-339-975040010-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
20-007F00M00R00 Concurrent Computer Corporation (USA)
STP-31A Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
TIP31A Freescale Semiconductor, Inc. (USA)
T1P31A Raytheon Company Dba Raytheon (USA)
MJE2520 Freescale Semiconductor, Inc. (USA)
151-0478-00 PRIMARY Tektronix, Inc. (USA)
03-49027-42 Computer Automation Inc
SJE410 Freescale Semiconductor, Inc. (USA)
TIP31A Texas Instruments Incorporated (USA)
2111103 Cei Corp (USA)
400101-01 Tally Printer Corporation (USA)
Related Parts
4820-01-339-9750INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40010-101

Frequently Asked Questions

What is NSN 5961-00-350-8230?

NSN 5961-00-350-8230 is a Transistor, manufactured by Tektronix, Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-350-8230?

NSN 5961-00-350-8230 has 11 cross-referenced part numbers: 20-007F00M00R00 (Concurrent Computer Corporation), STP-31A (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), TIP31A (Freescale Semiconductor, Inc.), T1P31A (Raytheon Company Dba Raytheon), MJE2520 (Freescale Semiconductor, Inc.) and 6 more.

What NSN replaces 5961-00-350-8230?

There is 1 known substitute for 5961-00-350-8230: 4820-01-339-9750. Verify interchangeability with system specifications before substitution.

What are the specifications of 151-0478-00?

Key specifications for 151-0478-00: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Length: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM BASE CURRENT, DC AND 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-350-8230 still in active supply?

NSN 5961-00-350-8230 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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