PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200027Semiconductor Devices,unitized

Astronics Test Systems Inc · NSN 5961-00-435-3678 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-435-3678 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-435-3678. Primary manufacturer part number: 200027.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Mounting Method: TERMINAL
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-77
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Component Name and Quantity: 2 TRANSISTOR
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Applications
  • Applications requiring Ceramic Enclosure construction
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-00-435-3678, 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 Astronics Test Systems Inc. Government technical data includes 13 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-435-3678
Primary Part Number200027
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusACTIVE
Mounting MethodTERMINAL
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-77
Terminal Length1.500 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Component Name and Quantity2 TRANSISTOR
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
MaterialCERAMIC ENCLOSURE
Power Rating Per Characteristic400.0 MILLIWATTS MINIMUM TOTAL POWER DISSIPATION ALL SEMICONDUCTOR
Semiconductor MaterialSILICON ALL TRANSISTOR
Voltage Rating in Volts Per Characteristic45.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN ALL SEMICONDUCTOR
Terminal Type and Quantity6 UNINSULATED WIRE LEAD
Current Rating Per Characteristic2.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 10.00 MICROAMPERES MAXIMUM EMITTER CURRENT, DC ALL SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-020-0027200027 INTERCHANGEABLE
Terminal,lug
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5330-00-153-3623EON-002000-02-07-1 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division
4730-00-212-5827200-027 INTERCHANGEABLE
Chuck,air,inflating
Graco Inc.
5962-00-365-5728 INTERCHANGEABLE
Microcircuit,digital
5910-01-281-2875200027 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Boonton Electronics Corporation Div Boonton Electronics
5325-01-311-150720-0027 INTERCHANGEABLE
Ring,retaining
Lexair Inc
2825-01-379-9192 INTERCHANGEABLE
Deflector,dirt and Liquid
Cross-Reference Index
Part NumberManufacturer
200027 PRIMARY Astronics Test Systems Inc (USA)
SSC0081 Texas Instruments Incorporated (USA)
Related Parts
5940-00-020-0027INTERCHANGEABLE
TERMINAL,LUG
200027
5330-00-153-3623INTERCHANGEABLE
GASKET
EON-002000-02-07-1
4730-00-212-5827INTERCHANGEABLE
CHUCK,AIR,INFLATING
200-027
5962-00-365-5728INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5910-01-281-2875INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
200027
5325-01-311-1507INTERCHANGEABLE
RING,RETAINING
20-0027
2825-01-379-9192INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID

Frequently Asked Questions

What is NSN 5961-00-435-3678?

NSN 5961-00-435-3678 is a Semiconductor Devices,unitized, manufactured by Astronics Test Systems Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-435-3678?

NSN 5961-00-435-3678 has 2 cross-referenced part numbers: 200027 (Astronics Test Systems Inc), SSC0081 (Texas Instruments Incorporated).

What NSN replaces 5961-00-435-3678?

There are 7 known substitutes for 5961-00-435-3678: 5940-00-020-0027, 5330-00-153-3623, 4730-00-212-5827 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200027?

Key specifications for 200027: Mounting Method: TERMINAL; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-77; Terminal Length: 1.500 INCHES MINIMUM IN; Features Provided: HERMETICALLY SEALED CASE. 15 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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