PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2A5-55ET-2Transistor

Microchip Technology Inc · NSN 5961-01-698-6635 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-698-6635 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-698-6635. Primary manufacturer part number: 2A5-55ET-2.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM COLLECTOR-TO-EMITTER SUBSTAINING VOLTAGE, WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
  • 11 verified cross-references
  • Primary manufacturer: Microchip Technology Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-698-6635, 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 Microchip Technology Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-698-6635
Primary Part Number2A5-55ET-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMicrochip Technology Inc
StatusCANCELLED
Voltage Rating in Volts Per Characteristic50.0 MAXIMUM COLLECTOR-TO-EMITTER SUBSTAINING VOLTAGE, WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5905-00-100-5023 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-100-6656632895-5 INTERCHANGEABLE
Resistor,fixed,wire Wound
Naval Ship Systems Command
5905-00-157-2119 INTERCHANGEABLE
Resistor,fixed,wire Wound
5905-00-157-2158A30080 INTERCHANGEABLE
Resistor,fixed,wire Wound
Raytheon Company Dba Raytheon Co
5960-00-188-3944 INTERCHANGEABLE
Electron Tube
5905-00-553-91922A239TV1T50HM INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
5961-00-715-43349007415 INTERCHANGEABLE
Retainer,semiconductor Device
Us Army Aviation and Missile Command
6210-00-854-84832A5 INTERCHANGEABLE
Lens,light
Honeywell International Inc. Dba Honeyweel Sensing & Controls
4330-01-022-4417A-3 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
6220-01-029-0245 INTERCHANGEABLE
Lens,display
Cross-Reference Index
Part NumberManufacturer
2A5 Microsemi Corp. - Montgomeryville (USA)
352-8504-022 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
AMS2N5481 American Microsemiconductor Inc (USA)
SD1379-07H Stmicroelectronics Inc (USA)
8504022 Stmicroelectronics Inc (USA)
352-8504 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
352-8504-022 Rockwell Collins, Inc. (USA)
SD1379-07H Microsemi Corp. - Montgomeryville (USA)
352-8504-022 Rtx Corp (USA)
352-8504-022 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
2A5-55ET-2 PRIMARY Microchip Technology Inc (USA)
Related Parts
5905-00-100-5023INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-100-6656INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
632895-5
5905-00-157-2119INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5905-00-157-2158INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
A30080
5960-00-188-3944INTERCHANGEABLE
ELECTRON TUBE
5905-00-553-9192INTERCHANGEABLE
RESISTOR,ADJUSTABLE
2A239TV1T50HM
5961-00-715-4334INTERCHANGEABLE
RETAINER,SEMICONDUCTOR DEVICE
9007415
6210-00-854-8483INTERCHANGEABLE
LENS,LIGHT
2A5
4330-01-022-4417INTERCHANGEABLE
FILTER ELEMENT,FLUID
A-3
6220-01-029-0245INTERCHANGEABLE
LENS,DISPLAY
5998-01-073-3974INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2A5

Frequently Asked Questions

What is NSN 5961-01-698-6635?

NSN 5961-01-698-6635 is a Transistor, manufactured by Microchip Technology Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-698-6635?

NSN 5961-01-698-6635 has 11 cross-referenced part numbers: 2A5 (Microsemi Corp. - Montgomeryville), 352-8504-022 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), AMS2N5481 (American Microsemiconductor Inc), SD1379-07H (Stmicroelectronics Inc), 8504022 (Stmicroelectronics Inc) and 6 more.

What NSN replaces 5961-01-698-6635?

There are 11 known substitutes for 5961-01-698-6635: 5905-00-100-5023, 5905-00-100-6656, 5905-00-157-2119 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2A5-55ET-2?

Key specifications for 2A5-55ET-2: End Item Identification: AN/GRT22 UHF; Part Name Assigned by Controlling Agency: POWER TRANSISTOR; Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM COLLECTOR-TO-EMITTER SUBSTAINING VOLTAGE, WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-698-6635 still in active supply?

NSN 5961-01-698-6635 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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