PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MRW52501Transistor

U S Dept of Transportation Federal Aviation Administration · NSN 5961-00-437-3337 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-437-3337 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-437-3337. Primary manufacturer part number: MRW52501.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.278 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
  • Mounting Method: THREADED STUD(S)
  • Nominal Thread Size: 0.164 INCHES IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
Applications
  • Applications requiring Ceramic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-437-3337, 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 U S Dept of Transportation Federal Aviation Administration. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-437-3337
Primary Part NumberMRW52501
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerU S Dept of Transportation Federal Aviation Administration
StatusACTIVE
Overall Diameter0.278 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
Mounting MethodTHREADED STUD(S)
Nominal Thread Size0.164 INCHES IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Mounting Facility Quantity1
Power Rating Per Characteristic5.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICON
MaterialCERAMIC ENCLOSURE
Terminal Type and Quantity4 FERRULE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-021-2406 INTERCHANGEABLE
File,rotary
3455-00-224-365009200 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
4730-00-254-62110716-MM5-BB02 INTERCHANGEABLE
Elbow,pipe to Tube
The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc
5360-00-663-3377SMB171542 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-776-7258 INTERCHANGEABLE
Cover,access
6130-01-195-430452501 INTERCHANGEABLE
Rectifier Assembly,metallic
National Oil Well Dba Iec Baylor
2590-01-671-92665250-1 INTERCHANGEABLE
Door,access,utility
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
TRW52501 Trw Electronics and Defense Sector Rf Devices (USA)
MRW52501 Trw Electronics and Defense Sector Rf Devices (USA)
52501 Trw Electronics and Defense Sector Rf Devices (USA)
MRW52501 PRIMARY U S Dept of Transportation Federal Aviation Administration (USA)
Related Parts
3455-00-021-2406INTERCHANGEABLE
FILE,ROTARY
3455-00-224-3650INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
09200
4730-00-254-6211INTERCHANGEABLE
ELBOW,PIPE TO TUBE
0716-MM5-BB02
5360-00-663-3377INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SMB171542
5340-00-776-7258INTERCHANGEABLE
COVER,ACCESS
6130-01-195-4304INTERCHANGEABLE
RECTIFIER ASSEMBLY,METALLIC
52501
2590-01-671-9266INTERCHANGEABLE
DOOR,ACCESS,UTILITY
5250-1

Frequently Asked Questions

What is NSN 5961-00-437-3337?

NSN 5961-00-437-3337 is a Transistor, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-437-3337?

NSN 5961-00-437-3337 has 4 cross-referenced part numbers: TRW52501 (Trw Electronics and Defense Sector Rf Devices), MRW52501 (Trw Electronics and Defense Sector Rf Devices), 52501 (Trw Electronics and Defense Sector Rf Devices), MRW52501 (U S Dept of Transportation Federal Aviation Administration).

What NSN replaces 5961-00-437-3337?

There are 7 known substitutes for 5961-00-437-3337: 3455-00-021-2406, 3455-00-224-3650, 4730-00-254-6211 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MRW52501?

Key specifications for MRW52501: Overall Diameter: 0.278 INCHES MAXIMUM IN; Overall Length: 0.642 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT; End Item Identification: ASR7. 17 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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