# 293 series integrated circuits

> Soviet series of optocouplers and optorelays

**Wikidata**: [Q115861864](https://www.wikidata.org/wiki/Q115861864)  
**Source**: https://4ort.xyz/entity/293-series-integrated-circuits

## Summary
293 series integrated circuits are a Soviet-era model series of optocouplers and optorelays (opto-isolators). They are an integrated circuit series manufactured by Proton Oryol and classified as opto-isolator, integrated circuit, and analog switch devices that comply with the Soviet integrated circuit designation system.

## Key Facts
- The 293 series is a model series of integrated circuits consisting of optocouplers and optorelays (opto‑isolators).  
- Instance types: the series is classified as both a model series and an integrated circuit series.  
- Subclassifications: opto-isolator, integrated circuit, and analog switch.  
- Manufacturer: Proton Oryol.  
- Country of origin / use: Soviet Union; Russia.  
- The series complies with the Soviet integrated circuit designation system.  
- Wikimedia Commons image available: https://commons.wikimedia.org/wiki/Special:FilePath/К293ЛП1А.jpg.  
- Commons category: "293 series integrated circuits".  
- Wikidata description: "Soviet series of optocouplers and optorelays".  
- Wikidata sitelink count: 1 (linked to Wikimedia Commons).

## FAQs
### Q: What are 293 series integrated circuits?
A: They are a Soviet model series of optocouplers and optorelays—opto‑isolator integrated circuits—produced under the 293 series designation.

### Q: Who manufactured the 293 series?
A: The 293 series integrated circuits were manufactured by Proton Oryol.

### Q: What device classes do the 293 series belong to?
A: The series is subclassified as opto-isolators (optocouplers/optorelays), integrated circuits, and analog switches.

### Q: How are 293 series parts designated?
A: The series complies with the Soviet integrated circuit designation system.

## Why It Matters
The 293 series represents a standardized Soviet-era family of optocoupler and optorelay integrated circuits. As opto-isolators, devices in this series serve the fundamental electronics role of providing electrical isolation between circuits while enabling signal transfer — a key function in many control, communication, and safety applications. Being a named series that complies with the Soviet integrated circuit designation system, the 293 family reflects the organized manufacturing and classification practices of Soviet and post‑Soviet electronics industry. The association with Proton Oryol ties the series to a specific manufacturer, making it a distinct line within Soviet/Russian component catalogs and photographic/documentation repositories such as Wikimedia Commons.

## Notable For
- Being a Soviet-era integrated circuit series specifically composed of optocouplers and optorelays.  
- Manufacturer attribution to Proton Oryol.  
- Formal compliance with the Soviet integrated circuit designation system.  
- Classification across multiple device types: opto-isolator, integrated circuit, and analog switch.  
- Presence in Wikimedia Commons with an identifiable image and dedicated commons category.

## Body

### Overview
- The 293 series is a named model series of integrated circuits from the Soviet period.  
- The series covers optocouplers and optorelays, which are grouped as opto‑isolator devices.

### Classification and Function
- Instance_of: model series; integrated circuit series.  
- Subclass_of: opto‑isolator; integrated circuit; analog switch.  
- Functional role (by class): as opto‑isolators, the devices provide optical/electrical isolation between circuit sections while enabling signal transfer.

### Manufacturer and Country
- Manufacturer: Proton Oryol.  
- Country association: Soviet Union and Russia.

### Standards and Designation
- The 293 series complies with the Soviet integrated circuit designation system.  
- The compliance indicates the parts were cataloged under the standardized Soviet naming and classification practices for ICs.

### Documentation and Media
- Wikimedia Commons hosts imagery for the series, including the file accessible at: https://commons.wikimedia.org/wiki/Special:FilePath/К293ЛП1А.jpg.  
- Commons category: "293 series integrated circuits".  
- Wikidata notes the series with the description "Soviet series of optocouplers and optorelays" and has one sitelink to Wikimedia Commons.

### Relations
- Part_of: integrated circuit (class).  
- Related class: integrated circuit series (model series sharing the same part prefix).

### References
- Manufacturer and classification data as provided in the structured properties and raw description.