PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U1898ETransistor

Telcom Semiconductor Inc · NSN 5961-00-426-0029 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-426-0029 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-426-0029. Primary manufacturer part number: U1898E.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Terminal Type and Quantity: 3 PIN
  • Mounting Method: TERMINAL
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-426-0029, 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 Telcom Semiconductor Inc. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-426-0029
Primary Part NumberU1898E
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelcom Semiconductor Inc
StatusACTIVE
Semiconductor MaterialSILICON
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic20.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Terminal Type and Quantity3 PIN
Mounting MethodTERMINAL
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Overall Diameter0.210 INCHES NOMINAL IN
Terminal Length0.500 INCHES NOMINAL IN
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-453-1929 INTERCHANGEABLE
Transistor
5961-01-029-9155 INTERCHANGEABLE
Transistor
5961-01-249-7586 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
U1898E Telcom Semiconductor Inc (USA)
U1898 Telcom Semiconductor Inc (USA)
U1898E National Semiconductor Corporation (USA)
U1898-18 Telcom Semiconductor Inc (USA)
Related Parts
5961-00-453-1929INTERCHANGEABLE
TRANSISTOR
5961-01-029-9155INTERCHANGEABLE
TRANSISTOR
5961-01-249-7586INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-426-0029?

NSN 5961-00-426-0029 is a Transistor, manufactured by Telcom Semiconductor Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-426-0029?

NSN 5961-00-426-0029 has 4 cross-referenced part numbers: U1898E (Telcom Semiconductor Inc), U1898 (Telcom Semiconductor Inc), U1898E (National Semiconductor Corporation), U1898-18 (Telcom Semiconductor Inc).

What NSN replaces 5961-00-426-0029?

There are 3 known substitutes for 5961-00-426-0029: 5961-00-453-1929, 5961-01-029-9155, 5961-01-249-7586. Verify interchangeability with system specifications before substitution.

What are the specifications of U1898E?

Key specifications for U1898E: Overall Length: 0.200 INCHES NOMINAL IN; Semiconductor Material: SILICON; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED CASE. 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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