# μA741

> Operational amplifier model

**Wikidata**: [Q18212301](https://www.wikidata.org/wiki/Q18212301)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/ΜA741)  
**Source**: https://4ort.xyz/entity/a741

## Summary
The μA741 is a widely-used operational amplifier model developed by David Fullagar at Fairchild Semiconductor in 1968. This integrated circuit model became one of the most popular op-amps in electronics history, known for its reliability and standardization in the industry.

## Key Facts
- μA741 is an integrated circuit model and subclass of operational amplifier
- Inception date: 1968, developed by David Fullagar at Fairchild Semiconductor
- Also known by aliases 741, LM741, and uA741
- Has Wikipedia entries in common languages and English
- Associated with Google Knowledge Graph ID: /g/122bxtzd
- Has 2 sitelinks across knowledge bases
- Featured in the Radio Museum with vacuum tube/transistor ID: a741
- Related to RC4558 (dual general-purpose operational amplifier from 1970)
- Has a Wikipedia category titled "741 operational amplifier"

## FAQs
### Q: When was the μA741 operational amplifier created?
A: The μA741 was created in 1968 and developed by David Fullagar at Fairchild Semiconductor.

### Q: What other names is the μA741 known by?
A: The μA741 is also known by the aliases 741, LM741, and uA741.

### Q: What category does the μA741 belong to?
A: The μA741 is classified as an integrated circuit model and is a subclass of operational amplifier.

### Q: How is the μA741 different from other operational amplifiers like RC4558?
A: While RC4558 is a dual general-purpose operational amplifier introduced in 1970, μA741 is a single operational amplifier model that debuted earlier in 1968 and became more widely adopted.

## Why It Matters
The μA741 holds significance as a widely-used operational amplifier model developed by David Fullagar at Fairchild Semiconductor in 1968. As an integrated circuit model, it represents an important milestone in electronic component development and has maintained relevance across multiple decades. The μA741's standardization and consistent performance have made it a recognizable model in the field of operational amplifiers, with entries in multiple knowledge bases including Wikipedia, Wikimedia Commons, and the Radio Museum database.

## Notable For
- Pioneered standardized operational amplifier architecture that became industry benchmark
- One of the earliest commercially successful monolithic operational amplifiers
- Developed by David Fullagar at Fairchild Semiconductor in 1968
- Simple yet versatile design that made it accessible to both hobbyists and professional engineers
- Maintained remarkable longevity in design, remaining in production for decades

## Body
### History and Development
The μA741 was introduced in 1968 as an integrated circuit model and was developed by David Fullagar at Fairchild Semiconductor. This operational amplifier became one of the most widely used and recognized models in electronics history.

### Technical Classification
- Instance of: integrated circuit model
- Subclass of: operational amplifier
- Classification as a high-gain voltage amplifier with differential input

### Manufacturer and Development
- Manufacturer: Fairchild Semiconductor
- Developer: David Fullagar
- Inception: 1968

### Nomenclature and Aliases
- Primary name: μA741
- Also known as: 741, LM741, uA741

### Digital Presence
- Wikipedia title: ΜA741
- Commons category: 741 operational amplifier
- Wikipedia languages: commons, en
- Sitelink count: 2
- Google Knowledge Graph ID: /g/122bxtzd
- Radio Museum vacuum tube/transistor ID: a741

### Visual Documentation
- Image available: https://commons.wikimedia.org/wiki/Special:FilePath/Ua741_opamp.jpg

### Related Components
- Associated with RC4558 (dual general-purpose operational amplifier, introduced in 1970)
- Related to LM741 (integrated circuit)
- Part of the broader operational amplifier class with 62 sitelinks

## References

1. [Source](https://books.google.ru/books?id=2cu1Oh_COv8C&pg=PA286)