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STMICROELECTRONICS LM311DT Voltage Comparator

The LM311 is a versatile voltage comparator with a wide differential input voltage range of +30V, low input currents (maximum 20nA offset current), and high output current capacity of 50mA. It operates over a supply voltage range of +5V to +15V, consuming 135mW at +15V. Designed for precise switching and control in electronic circuits, it is available in DIP8 and SO-8 packages. Its features include fast response times, compatibility with TTL and MOS logic levels, and robust output drive capabilities suitable for various industrial automation and control applications.

Authorized Distributors
Source:Newark
Part No:LM311DT
Stock:105
Inv Date:06-11-2026
Price: Unit price: $0.371
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Source:DigiKey
Part No:LM311DT
Stock:19630
Inv Date:06-11-2026
Price: Unit price: $0.36
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Part No:LM311DT
Stock:7741
Inv Date:06-12-2026
Price: Unit price: $0.35
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Part No:LM311DT
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.28
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Part No:LM311DT
Stock:17500
Inv Date:06-11-2026
Price: Unit price: $0.0983
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Source:Arrow EU
Part No:LM311DT
Stock:270000
Inv Date:06-12-2026
Price: N/A
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Part No:LM311DT
Stock:1062
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LM311DT Voltage Comparator Specifications:

  • Supply Voltage: +5V to +15V
  • Maximum Input Current: 150nA
  • Maximum Offset Current: 20nA
  • Differential Input Voltage Range: +30V
  • Power Consumption: 135mW at +15V
  • Output Current: 50mA
  • Package Types: DIP8, SO-8
  • Maximum Supply Voltage (Vcc): 36V
  • Maximum Output Voltage: 50V (LM111-LM211), 40V (LM311)
  • Output Short-circuit Duration: 10 seconds
  • Operating Temperature Range: -55°C to +125°C (LM111), 0°C to +70°C (LM311)
  • Junction Temperature: +150°C
  • Storage Temperature Range: -65°C to +150°C

Buy the Buy STMicroelectronics LM311 Part Number LM311DT Online

Purchase the STMicroelectronics LM311DT voltage comparator online today for reliable, low-power operation with a wide input voltage range and high output current. Ideal for precision switching in industrial control, automation systems, and electronic circuits, this versatile comparator comes in DIP8 and SO-8 packages. Designed to operate from +5V to +15V with low input currents and fast response times, it ensures high performance under demanding conditions. Secure your supply now and experience dependable, long-lasting performance for your electronic projects.

Get STMicroelectronics LM311DT today—built for precision and long-lasting durability in electronic comparator applications.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LM311DT?

You can click on the BUY or RFQ button to purchase LM311DT from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LM311DT?

You can download the LM311DT datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LM311DT?

STMICROELECTRONICS

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