PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U112Transistor

Siliconix Incorporated Div Siliconix · NSN 5961-00-946-1948 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-946-1948 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-946-1948. Primary manufacturer part number: U112.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Semiconductor Material: SILICON
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Internal Configuration: FIELD EFFECT
  • Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-946-1948, 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 Siliconix Incorporated Div Siliconix. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-946-1948
Primary Part NumberU112
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSiliconix Incorporated Div Siliconix
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal ConfigurationFIELD EFFECT
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length0.500 INCHES MINIMUM IN
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Mounting MethodTERMINAL
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM GATE CURRENT
Voltage Rating in Volts Per Characteristic10.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 20.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Overall Diameter0.220 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-156-50181201 INTERCHANGEABLE
Bearing,ball,annular
Kearfott Corporation Div Guidance and Navigation Division
5950-00-681-7453 INTERCHANGEABLE
Transformer,audio Frequency
4720-00-682-7920100R4-12 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5340-00-713-291735325 INTERCHANGEABLE
Clamp,loop
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
106-1027 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
U112 PRIMARY Siliconix Incorporated Div Siliconix (USA)
Related Parts
3110-00-156-5018INTERCHANGEABLE
BEARING,BALL,ANNULAR
1201
5950-00-681-7453INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4720-00-682-7920INTERCHANGEABLE
HOSE,NONMETALLIC
100R4-12
5340-00-713-2917INTERCHANGEABLE
CLAMP,LOOP
35325

Frequently Asked Questions

What is NSN 5961-00-946-1948?

NSN 5961-00-946-1948 is a Transistor, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-946-1948?

NSN 5961-00-946-1948 has 2 cross-referenced part numbers: 106-1027 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), U112 (Siliconix Incorporated Div Siliconix).

What NSN replaces 5961-00-946-1948?

There are 4 known substitutes for 5961-00-946-1948: 3110-00-156-5018, 5950-00-681-7453, 4720-00-682-7920 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U112?

Key specifications for U112: Features Provided: HERMETICALLY SEALED CASE; Overall Length: 0.188 INCHES NOMINAL IN; Semiconductor Material: SILICON; Electrode Internally-Electrically Connected to Case: COLLECTOR. 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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