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Littelfuse 0308500UR Intrinsically Safe Fuse

The Littelfuse 0308 Series fuse is a surface mountable, encapsulated fuse specifically designed for intrinsically safe applications in industries such as oil, gas, mining, chemical, pharmaceutical, and process industries. It limits energy and temperature during operation and is suitable for use in intrinsically safe apparatus with a peak voltage not exceeding 30V. The fuse is RoHS compliant and features a polyamide 6T/66 molding material, tin-plated copper terminations, and is tested to withstand thermal shock, vibration, moisture resistance, and salt spray conditions. It's ideal for applications requiring reliable overcurrent protection in hazardous locations.

Authorized Distributors
Source:Newark
Part No:0308.500UR
Stock:150
Inv Date:05-28-2026
Price: Unit price: $5.6
Buy/RFQ:
Source:DigiKey
Part No:0308.500UR
Stock:558
Inv Date:05-28-2026
Price: Unit price: $5.56
Buy/RFQ:
Part No:0308.500UR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $4
Buy/RFQ:

Littelfuse 0308500UR Intrinsically Safe Fuse Specifications:

  • Agency Approvals: DEMKO 15 ATEX 1439U, UL 15.0011U, IECEx
  • Ampere Rating: 0.25A – 1.5A
  • Reference Standards: EN 60079-0, EN 60079-11, EN 60079-26, IEC 60079-0, IEC 60079-11, IEC 60079-26, UL 913, UL 60079-0, UL 60079-11, CAN/CSA C22.2 No. 157, CAN/CSA C22.2 No. 60079-0, CAN/CSA C22.2 No. 60079-11
  • Interrupting Rating: 50A@24VAC, 50A@30VDC
  • Minimum Cold Resistance: Ranges from 0.006 Ohms to 0.361 Ohms depending on Ampere Rating
  • Maximum Surface Temperature Rise: 23°C (250-375mA), 35°C (500mA), 53°C (750mA), 38°C (1A), 96°C (1.25-1.50A)
  • Molding Material: Polyamide 6T/66
  • Continuous Operating Temperature: 140°C
  • Ambient Temperature: -40°C to +70°C
  • Terminations: Tin-plated copper
  • Packaging: Tape and Reel, 500 pcs

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Frequently Asked Questions

Where can I buy Littelfuse 0308500UR?

You can click on the BUY or RFQ button to purchase 0308500UR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0308500UR?

You can download the 0308500UR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0308500UR?

Littelfuse

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