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Bourns MFR800 Resettable Fuse

The MF-R800 is a PTC resettable fuse designed for low-voltage power supply protection in various electronic applications. Made with flame-retardant epoxy polymer meeting UL 94V-0 standards, it is RoHS compliant and halogen-free. Suitable for computers, automotive, and general electronics, this device features radial leads, durable construction, and a maximum surface temperature of 125°C. It withstands environmental stresses like humidity, thermal shock, and vibration, offering reliable overcurrent protection with quick trip times and long cycle endurance, ensuring safety and stability in sensitive circuits.

Authorized Distributors
Source:DigiKey
Part No:MF-R800
Stock:2415
Inv Date:05-28-2026
Price: Unit price: $1.04
Buy/RFQ:
Part No:MF-R800
Stock:3028
Inv Date:05-29-2026
Price: Unit price: $0.87
Buy/RFQ:
Part No:MF-R800
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.27
Buy/RFQ:
Source:Arrow EU
Part No:MF-R800
Stock:3000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFR800 Resettable Fuse Specifications:

  • Style: Radial leaded device
  • Maximum surface temperature: 125°C
  • Environmental resistance: humidity aging, thermal shock, vibration
  • Material: Flame-retardant epoxy meeting UL 94V-0
  • RoHS compliant and halogen free
  • Lead material: Sn/NiCu
  • Operating temperature: -40°C to +85°C
  • Resistance: initial 0.16Ω at 23°C, trip resistance varies per model
  • Hold current: 10A, Trip current: 20A, suitable for low-voltage protection
  • Cycle endurance: 1000 hours at 85°C/85% R.H., tested per MIL-STD-202, Method 215 and MIL-STD-883C, Method 2007.1
  • Physical dimensions: approximately 24.2 mm length, lead diameter 0.7 mm, multiple packaging options available, including tape and reel, Ammo-Pak, bulk
  • Device durability confirmed through multiple stress tests, with certifications UL and TUV

Buy the Buy Bourns MF-R800 Part Number MF-R800 Online

Secure your electronics with the Bourns MF-R800 resettable fuse, engineered for reliable low-voltage circuit protection. Its robust construction and environmental resistance ensure safety across various applications. Designed with UL 94V-0 flame-retardant epoxy, it is RoHS compliant and halogen free, making it suitable for automotive, computing, and general electronics. Available in multiple packaging options, this fuse features quick trip times, long cycle endurance, and withstands humidity, thermal shock, and vibration stresses. Purchase online today for guaranteed quality and peace of mind in your projects.

Order your Bourns Series MF-R800 resettable fuse today and protect your electronic circuits with dependable overcurrent protection for low-voltage power supplies.

Frequently Asked Questions

Where can I buy Bourns MFR800?

You can click on the BUY or RFQ button to purchase MFR800 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFR800?

You can download the MFR800 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFR800?

Bourns

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