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Littelfuse 1812L05030PR Resettable PTC Fuse

The 1812L050/30PR surface-mount PTC fuse is designed for high-temperature applications, offering reliable over-current protection with fast fault response. Made with solder-plated copper terminals, it features a low-profile, compact design that saves PCB space and ensures easy plug-and-play installation. It complies with Level 1 J-STD-020C moisture sensitivity standards and operates between -40°C to 85°C, making it suitable for motherboards, peripherals, computers, and consumer electronics. Its low resistance and solid construction prevent damage, arcing, and fire hazards, ensuring long-lasting performance in demanding environments.

Authorized Distributors
Source:Newark
Part No:1812L050/30PR
Stock:1366
Inv Date:05-28-2026
Price: Unit price: $1.2
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Source:DigiKey
Part No:1812L050/30PR
Stock:8010
Inv Date:05-28-2026
Price: Unit price: $1.24
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Part No:1812L050/30PR
Stock:15918
Inv Date:05-29-2026
Price: Unit price: $1.03
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Part No:1812L050/30PR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.34
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Part No:1812L050/30PR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.33
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Source:Arrow EU
Part No:1812L050/30PR
Stock:92000
Inv Date:05-29-2026
Price: N/A
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Part No:1812L050/30PR
Stock:1446
Inv Date:05-29-2026
Price: N/A
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Littelfuse 1812L05030PR Resettable PTC Fuse Specifications:

  • Type: Resettable PTC fuse
  • Form Factor: Surface mount (1812 size)
  • Material: Solder-plated copper terminals
  • Temperature Range: -40°C to 85°C
  • Resistance: Low resistance (typically specified in datasheet)
  • Response Time: Fast fault response for over-current protection
  • Moisture Sensitivity: Level 1 J-STD-020C compliant
  • Package Size: Length 4.0 mm, Width 3.2 mm, Height 1.75 mm
  • Max Voltage: 125 V AC/DC (typical, depending on model)
  • Hold Current: Up to 0.50 A depending on rating
  • Trip Current: Corresponds to hold current, designed for circuit protection
  • Environmental Resistance: Meets surge and thermal shock requirements
  • Certification: UL Listed (UL 94V-0 flammability)
  • Application: PCB protection, motherboards, peripherals, consumer electronics

Buy the Buy Littelfuse 1812L050/30PR Part Number 1812L050/30PR Online

Purchase the Littelfuse 1812L050/30PR surface-mount resettable PTC fuse online today. Engineered for high-temperature environments, this low-profile fuse provides fast over-current protection with low resistance and reliable operation. Its compact design optimizes PCB space and ensures easy installation, making it ideal for motherboards, peripherals, and consumer electronics. Fully compliant with strict moisture sensitivity and UL standards, it delivers long-lasting durability, safety, and efficiency in demanding electronic applications. Buy now and ensure your circuits are protected with quality and confidence.

Get Littelfuse 1812L050/30PR today—built for high-temperature reliability and fast over-current protection.

Frequently Asked Questions

Where can I buy Littelfuse 1812L05030PR?

You can click on the BUY or RFQ button to purchase 1812L05030PR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 1812L05030PR?

You can download the 1812L05030PR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 1812L05030PR?

Littelfuse

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