PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T235A141-1Coupler,optoelectronic

Instrument Systems Corp · NSN 5980-00-543-2143 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-00-543-2143 — this item is cataloged by the U.S. Government under National Stock Number 5980-00-543-2143. Primary manufacturer part number: T235A141-1.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: TRANSISTOR PHOTO OPTICALLY COUPLED; 35.0 V; 50.0 NA DC; 0.206 IN. MAX LG; 0.220 IN. MAX DIA V
  • 4 verified cross-references
  • Primary manufacturer: Instrument Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-00-543-2143, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Instrument Systems Corp. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5980-00-543-2143
Primary Part NumberT235A141-1
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerInstrument Systems Corp
StatusACTIVE
General Characteristics Item DescriptionTRANSISTOR PHOTO OPTICALLY COUPLED; 35.0 V; 50.0 NA DC; 0.206 IN. MAX LG; 0.220 IN. MAX DIA V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5980-00-468-6038 INTERCHANGEABLE
Coupler,optoelectronic
Cross-Reference Index
Part NumberManufacturer
0CI220-4 Texas Instruments Incorporated (USA)
0C120 Texas Instruments Incorporated (USA)
TIL108 Texas Instruments Incorporated (USA)
T235A141-1 PRIMARY Instrument Systems Corp (USA)
Related Parts
5980-00-468-6038INTERCHANGEABLE
COUPLER,OPTOELECTRONIC

Frequently Asked Questions

What is NSN 5980-00-543-2143?

NSN 5980-00-543-2143 is a Coupler,optoelectronic, manufactured by Instrument Systems Corp, classified under FSC 5980 (Light Emitting Diode). Status: active.

What are the part numbers for NSN 5980-00-543-2143?

NSN 5980-00-543-2143 has 4 cross-referenced part numbers: 0CI220-4 (Texas Instruments Incorporated), 0C120 (Texas Instruments Incorporated), TIL108 (Texas Instruments Incorporated), T235A141-1 (Instrument Systems Corp).

What NSN replaces 5980-00-543-2143?

There is 1 known substitute for 5980-00-543-2143: 5980-00-468-6038. Verify interchangeability with system specifications before substitution.

What are the specifications of T235A141-1?

Key specifications for T235A141-1: General Characteristics Item Description: TRANSISTOR PHOTO OPTICALLY COUPLED; 35.0 V; 50.0 NA DC; 0.206 IN. MAX LG; 0.220 IN. MAX DIA V. 1 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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