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Littelfuse 30R110UU Polyfuse Resettable PTC

The 30R Series radial lead Polyfuse resettable PTCs provide overcurrent protection for low-voltage applications under 30V. Designed for space-efficient and reliable protection, these devices feature cured, flame-retardant epoxy with UL94V-0 compliance and halogen-free materials. Ideal for protecting USB hubs, ports, motors, and electronic peripherals, they exhibit fast trip times, high durability, and stable operation from -40°C to +85°C. Their resistance varies with temperature and current, ensuring precise overload protection across multiple industrial and consumer electronics environments.

Authorized Distributors
Source:Newark
Part No:30R110UU
Stock:63
Inv Date:05-28-2026
Price: Unit price: $0.954
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Source:DigiKey
Part No:30R110UU
Stock:1354
Inv Date:05-28-2026
Price: Unit price: $0.7
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Part No:30R110UU
Stock:303
Inv Date:05-29-2026
Price: Unit price: $0.58
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Part No:30R110UU
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.48
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Part No:30R110UU
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3068
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Part No:30R110UU
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3068
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Part No:30R110UU
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.32
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Part No:30R110UU
Stock:720
Inv Date:05-29-2026
Price: N/A
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Littelfuse 30R110UU Polyfuse Resettable PTC Specifications:

  • Voltage Rating: 30VDC
  • Current Ratings: 0.90A to 9.00A
  • Resistance Range: 0.090Ω to 18.80Ω at 23°C
  • Maximum Voltage Without Damage: 30V
  • Maximum Fault Current: Specified per model
  • Ambient Temperature Range: -40°C to +85°C
  • Body Material: Flame-retardant epoxy, UL94V-0 compliant
  • Soldering Temperature: Max. 260°C for 4 seconds
  • Solderability: MIL-STD-202, Method 208E
  • Resistance Change After Stress Testing: 145% typical after 1000 hours at 85°C and 1000 hours at 88°C, 85% RH
  • Lead Material: Tin-plated copper and steel
  • Encapsulation: Flame-retardant epoxy
  • Certifications: UL, RoHS, MIL-STD-202

Buy the Buy Littelfuse 30R Series Polyfuse Part Number 30R110UU Online

Order Littelfuse 30R110UU Polyfuse now or choose from our extensive range of resettable overcurrent protection devices. These radial lead polymers are perfect for applications like USB ports, motor protection, and electronic peripherals. Featuring flame-retardant epoxy, UL94V-0 compliance, and halogen-free materials, they ensure safety and durability. Their fast trip times and temperature stability make them ideal for low-voltage circuits, providing both reliable overload protection and ease of swap-in installation. Buy online today for fast delivery and unmatched quality.

Get Littelfuse 30R110UU today—designed for reliable, fast-acting overcurrent protection for electronic circuits.

Frequently Asked Questions

Where can I buy Littelfuse 30R110UU?

You can click on the BUY or RFQ button to purchase 30R110UU from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 30R110UU?

You can download the 30R110UU datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 30R110UU?

Littelfuse

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