PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MCT6Coupler,optoelectronic

Siliconix Incorporated Div Siliconix · NSN 5980-01-109-7342 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-109-7342 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-109-7342. Primary manufacturer part number: MCT6.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: TWO ISOLATED CHANNELS; 1500 V ISOLATION; 1 NA TYPICAL LEAKAGE CURRENT; EACH CHANNEL CONSISTS OF AN LED AND A SILICON NPN PHOTOTRANSISTOR; 0.400 IN MAX LG; 0.260 IN MAX W 0.150 IN MAX H; 8 PIN TYPE TERMINALS; DUAL-IN LINE PKG V
  • 20 verified cross-references
  • Primary manufacturer: Siliconix Incorporated Div Siliconix
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-109-7342, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Siliconix Incorporated Div Siliconix. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5980-01-109-7342
Primary Part NumberMCT6
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerSiliconix Incorporated Div Siliconix
StatusCANCELLED
General Characteristics Item DescriptionTWO ISOLATED CHANNELS; 1500 V ISOLATION; 1 NA TYPICAL LEAKAGE CURRENT; EACH CHANNEL CONSISTS OF AN LED AND A SILICON NPN PHOTOTRANSISTOR; 0.400 IN MAX LG; 0.260 IN MAX W 0.150 IN MAX H; 8 PIN TYPE TERMINALS; DUAL-IN LINE PKG V
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5920-01-052-680310285-8 INTERCHANGEABLE
Arrester,electrical Surge
Lightning Protection Corporation
5980-01-140-2297MCT6 INTERCHANGEABLE
Coupler,optoelectronic
Monsanto Industrial Chemicals Co
5980-01-196-3504 INTERCHANGEABLE
Coupler,optoelectronic
5962-01-363-5469MCT6 INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
7025-01-617-0161M-CT6 INTERCHANGEABLE
Display Unit
Marshall Electronics, Inc. Dba Mogami
5331-01-657-5210102858 INTERCHANGEABLE
O-Ring
M. E. Industries, Inc.
1550-01-718-2695102858 INTERCHANGEABLE
Unmanned Aircraft System
Inspired Flight Technologies, Inc. Dba Inspired Flight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
MCT6 PRIMARY Siliconix Incorporated Div Siliconix (USA)
40-14875 Digitec Corp (USA)
ILCT6 Siemens Microelectronics Inc Optoelectronics Div (USA)
14239022-9 Safran (FRA)
MCT6 Fairchild Semiconductor Corp (USA)
14230222-4 Safran (FRA)
ILD-74A Siemens Microelectronics Inc Optoelectronics Div (USA)
14230530-8 Safran (FRA)
ILD-74 Siemens Microelectronics Inc Optoelectronics Div (USA)
MCT6 Monsanto Industrial Chemicals Co (USA)
1990-0584 Agilent Technologies Inc. Div Semiconductor Products Group Business Center (USA)
1990-0584 Hewlett-Packard Company Dba HP (USA)
MCT6 Monsanto Co (USA)
14230735-7 Safran (FRA)
102858 Systron-Donner Corp Microwave/instrument Div (USA)
143503149 Eaton Corporation (USA)
MCT6 Isocom Inc (USA)
30470042 Belix Power Conversion Ltd (GBR)
4814-387076 Fluke Corp (USA)
MCT6 Digitec Corp (USA)
Related Parts
5920-01-052-6803INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
10285-8
5980-01-140-2297INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
MCT6
5980-01-196-3504INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5962-01-363-5469INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MCT6
7025-01-617-0161INTERCHANGEABLE
DISPLAY UNIT
M-CT6
5331-01-657-5210INTERCHANGEABLE
O-RING
102858
1550-01-718-2695INTERCHANGEABLE
UNMANNED AIRCRAFT SYSTEM
102858

Frequently Asked Questions

What is NSN 5980-01-109-7342?

NSN 5980-01-109-7342 is a Coupler,optoelectronic, manufactured by Siliconix Incorporated Div Siliconix, classified under FSC 5980 (Light Emitting Diode). Status: cancelled.

What are the part numbers for NSN 5980-01-109-7342?

NSN 5980-01-109-7342 has 20 cross-referenced part numbers: MCT6 (Siliconix Incorporated Div Siliconix), 40-14875 (Digitec Corp), ILCT6 (Siemens Microelectronics Inc Optoelectronics Div), 14239022-9 (Safran), MCT6 (Fairchild Semiconductor Corp) and 15 more.

What NSN replaces 5980-01-109-7342?

There are 7 known substitutes for 5980-01-109-7342: 5920-01-052-6803, 5980-01-140-2297, 5980-01-196-3504 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MCT6?

Key specifications for MCT6: General Characteristics Item Description: TWO ISOLATED CHANNELS; 1500 V ISOLATION; 1 NA TYPICAL LEAKAGE CURRENT; EACH CHANNEL CONSISTS OF AN LED AND A SILICON NPN PHOTOTRANSISTOR; 0.400 IN MAX LG; 0.260 IN MAX W 0.150 IN MAX H; 8 PIN TYPE TERMINALS; DUAL-IN LINE PKG V. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5980-01-109-7342 still in active supply?

NSN 5980-01-109-7342 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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