PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4N25Coupler,optoelectronic

Optek Technology, Inc · NSN 5980-01-026-2437 · FSC 5980 · Light Emitting Diode
Verified by PartsTable
NSN 5980-01-026-2437 — this item is cataloged by the U.S. Government under National Stock Number 5980-01-026-2437. Primary manufacturer part number: 4N25.
Features
  • Coupler,optoelectronic — FSC 5980
  • General Characteristics Item Description: PLASTIC CASE,0.350 IN. L,0.250 IN. W,0.180 IN. H,6 PIN DUAL IN-LINE PKG,CURRENT TRANSFER RATIO 20 PERCENT MIN.,2500 VDC ISOLATION VOLTAGE,SATURATION VOLTAGE 0.5 VDC MAX,RESPONSE TIME 2.0 USEC VDC
  • 22 verified cross-references
  • Primary manufacturer: Optek Technology, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-026-2437, is classified within Federal Supply Class 5980 (Light Emitting Diode) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Optek Technology, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 18 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
NSN5980-01-026-2437
Primary Part Number4N25
Item NameCoupler,optoelectronic
FSC / FSG5980 / 59 — Light Emitting Diode
ManufacturerOptek Technology, Inc
StatusCANCELLED
General Characteristics Item DescriptionPLASTIC CASE,0.350 IN. L,0.250 IN. W,0.180 IN. H,6 PIN DUAL IN-LINE PKG,CURRENT TRANSFER RATIO 20 PERCENT MIN.,2500 VDC ISOLATION VOLTAGE,SATURATION VOLTAGE 0.5 VDC MAX,RESPONSE TIME 2.0 USEC VDC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5980-00-584-2267 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-023-1623 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-029-6667 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-030-52681003070-01 INTERCHANGEABLE
Coupler,optoelectronic
Cae Usa Inc.
4130-01-470-9061 INTERCHANGEABLE
Filter,air 40300 T
5962-01-659-28044N25 INTERCHANGEABLE
Microcircuit,linear
Motorola Inc Literature Distribution Center
6930-01-683-51074030-001 INTERCHANGEABLE
Aviation Telemetry
Inter-Coastal Electronics, Llc
Cross-Reference Index
Part NumberManufacturer
4N25 Optek Technology, Inc (USA)
ES5238-01 Drs Sustainment Systems, Inc. (USA)
4N25 Freescale Semiconductor, Inc. (USA)
597-289 Rs Components Limited (GBR)
4N25 Texas Instruments Incorporated (USA)
RELEASE6446 Electronic Industries Association
19-112F00M00R00 Concurrent Computer Corporation (USA)
403-0001 Ddc Pertec Peripherals Corp (USA)
4N25A Freescale Semiconductor, Inc. (USA)
4N25 Department of State Health Services Dba Use CAGE Code 01wr9 for Cataloging (USA)
45.240.000 Distrelec Deutschland Gmbh (DEU)
4N25A-730A-02 Freescale Semiconductor, Inc. (USA)
91381847 Thales Sa (FRA)
1003070-01 Cae Usa Inc. (USA)
4N25 Isocom Inc (USA)
420-500556-000 Impath Networks Inc (CAN)
4N25 Monsanto Industrial Chemicals Co (USA)
19-14194-00 Compaq Federal Llc (USA)
4261-4025 Genrad Inc (USA)
4N25A Texas Instruments Incorporated (USA)
Related Parts
5980-00-584-2267INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-023-1623INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-029-6667INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-030-5268INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
1003070-01
4130-01-470-9061INTERCHANGEABLE
FILTER,AIR 40300 T
5962-01-659-2804INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4N25
6930-01-683-5107INTERCHANGEABLE
AVIATION TELEMETRY
4030-001

Frequently Asked Questions

What is NSN 5980-01-026-2437?

NSN 5980-01-026-2437 is a Coupler,optoelectronic, manufactured by Optek Technology, Inc, classified under FSC 5980 (Light Emitting Diode). Status: cancelled.

What are the part numbers for NSN 5980-01-026-2437?

NSN 5980-01-026-2437 has 22 cross-referenced part numbers: 4N25 (Optek Technology, Inc), ES5238-01 (Drs Sustainment Systems, Inc.), 4N25 (Freescale Semiconductor, Inc.), 597-289 (Rs Components Limited), 4N25 (Texas Instruments Incorporated) and 17 more.

What NSN replaces 5980-01-026-2437?

There are 7 known substitutes for 5980-01-026-2437: 5980-00-584-2267, 5980-01-023-1623, 5980-01-029-6667 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4N25?

Key specifications for 4N25: General Characteristics Item Description: PLASTIC CASE,0.350 IN. L,0.250 IN. W,0.180 IN. H,6 PIN DUAL IN-LINE PKG,CURRENT TRANSFER RATIO 20 PERCENT MIN.,2500 VDC ISOLATION VOLTAGE,SATURATION VOLTAGE 0.5 VDC MAX,RESPONSE TIME 2.0 USEC VDC. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5980-01-026-2437 still in active supply?

NSN 5980-01-026-2437 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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