PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM2103Transistor

Freescale Semiconductor, Inc. · NSN 5961-00-929-4951 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-929-4951 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-929-4951. Primary manufacturer part number: MM2103.
Features
  • Transistor — FSC 5961
  • Internal Configuration: FIELD EFFECT
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Mounting Method: TERMINAL
  • Specification/standard Data: 80131-RELEASE5464 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-929-4951, 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 Freescale Semiconductor, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-929-4951
Primary Part NumberMM2103
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Internal ConfigurationFIELD EFFECT
Terminal Length0.500 INCHES MINIMUM IN
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Mounting MethodTERMINAL
Specification/standard Data80131-RELEASE5464 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE
Semiconductor MaterialSILICON
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Overall Diameter0.230 INCHES MAXIMUM IN
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-01-063-45391804953-2 INTERCHANGEABLE
Transistor
Northrop Grumman Systems Corporation
5961-01-212-801120-00743-003 INTERCHANGEABLE
Transistor
Raytheon Company
5961-01-269-5211151-1024-00 INTERCHANGEABLE
Transistor
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
MM2103 Freescale Semiconductor, Inc. (USA)
2N4352 Adelco Elektronik Gmbh (DEU)
6854K94P006 Ametek Inc Div Aerospace and Defense (USA)
2N4352 On Semiconductor Corporation (USA)
RELEASE 5464 Electronic Industries Association
1855-0059 Hewlett-Packard Company Dba HP (USA)
JAN2N4352 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N4352 Freescale Semiconductor, Inc. (USA)
0N298606-1 National Security Agency (USA)
CS502013-1 Leonardo Mw Ltd (GBR)
59619294951 Northrop Grumman Systems Corporation (USA)
5800583-949000-120 Hensoldt Sensors Gmbh (DEU)
2N4352A Adelco Elektronik Gmbh (DEU)
2N4352 Electronic Industries Association
Related Parts
5961-01-063-4539INTERCHANGEABLE
TRANSISTOR
1804953-2
5961-01-212-8011INTERCHANGEABLE
TRANSISTOR
20-00743-003
5961-01-269-5211INTERCHANGEABLE
TRANSISTOR
151-1024-00

Frequently Asked Questions

What is NSN 5961-00-929-4951?

NSN 5961-00-929-4951 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-929-4951?

NSN 5961-00-929-4951 has 14 cross-referenced part numbers: MM2103 (Freescale Semiconductor, Inc.), 2N4352 (Adelco Elektronik Gmbh), 6854K94P006 (Ametek Inc Div Aerospace and Defense), 2N4352 (On Semiconductor Corporation), RELEASE 5464 (Electronic Industries Association) and 9 more.

What NSN replaces 5961-00-929-4951?

There are 3 known substitutes for 5961-00-929-4951: 5961-01-063-4539, 5961-01-212-8011, 5961-01-269-5211. Verify interchangeability with system specifications before substitution.

What are the specifications of MM2103?

Key specifications for MM2103: Internal Configuration: FIELD EFFECT; Terminal Length: 0.500 INCHES MINIMUM IN; Overall Length: 0.210 INCHES MAXIMUM IN; Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION. 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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