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Littelfuse 1812L12516DR Resettable PTC Device

The Littelfuse 1812L series resettable PTC device is designed for surface mount applications requiring resettable overcurrent protection. It offers low resistance, is lead-free, and features a compact design to save board space. Typical applications include protection for motherboards, game console peripherals, and plug-and-play cards. The device provides reliable protection and resets automatically after a fault condition is cleared.

Authorized Distributors
Source:Newark
Part No:1812L125/16DR
Stock:267
Inv Date:05-28-2026
Price: Unit price: $0.669
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Source:DigiKey
Part No:1812L125/16DR
Stock:4683
Inv Date:05-28-2026
Price: Unit price: $0.67
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Part No:1812L125/16DR
Stock:2944
Inv Date:05-29-2026
Price: Unit price: $0.56
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Part No:1812L125/16DR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.57
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Part No:1812L125/16DR
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $0.265
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Source:Arrow EU
Part No:1812L125/16DR
Stock:4500
Inv Date:05-29-2026
Price: N/A
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Part No:1812L125/16DR
Stock:5417
Inv Date:05-29-2026
Price: N/A
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Littelfuse 1812L12516DR Resettable PTC Device Specifications:

  • Agency Approvals: E183209, R50082521
  • Hold Current: 1.25 A
  • Trip Current: 2.50 A
  • Maximum Voltage: 30 Vdc
  • Maximum Fault Current: 100 A
  • Maximum Power Dissipation: 0.8 W
  • Trip Time: 16 seconds
  • Minimum Resistance: 0.15 Ω
  • Typical Resistance: 0.40 Ω
  • Maximum Resistance: 1.60 Ω
  • Operating Temperature: -40°C to +85°C
  • Soldering Peak Temperature: 260°C
  • Time Above Liquidus: 60-100 seconds
  • Preheat Temperature: 120°C - 180°C
  • Preheat Time: 50-150 seconds
  • Terminal Material: Solder-Plated Copper
  • Solderability: Meets EIA Specification RS186-9E, ANSI/J-STD-002 Category 3

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Frequently Asked Questions

Where can I buy Littelfuse 1812L12516DR?

You can click on the BUY or RFQ button to purchase 1812L12516DR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 1812L12516DR?

You can download the 1812L12516DR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 1812L12516DR?

Littelfuse

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