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Bourns MFRX065720 Resettable Fuse

The MFRX065720 series comprises resettable PTC fuses designed for low voltage power supply protection up to 72V. These radial lead devices feature a flame-retardant epoxy polymer insulating material meeting UL 94 V-0 standards. Suitable for applications like security systems, fire alarm systems, loudspeakers, and power transformers, they provide reliable circuit protection with quick trip response at fault currents. Their RoHS compliance and halogen-free construction ensure environmental safety and health standards, making them ideal for varied electronic protection requirements in industrial, consumer, and safety equipment.

Authorized Distributors
Source:Newark
Part No:MF-RX065/72-0
Stock:500
Inv Date:05-28-2026
Price: Unit price: $0.654
Buy/RFQ:
Source:DigiKey
Part No:MF-RX065/72-0
Stock:8127
Inv Date:05-28-2026
Price: Unit price: $0.78
Buy/RFQ:
Part No:MF-RX065/72-0
Stock:1276
Inv Date:05-29-2026
Price: Unit price: $0.45
Buy/RFQ:
Part No:MF-RX065/72-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.78
Buy/RFQ:
Part No:MF-RX065/72-0
Stock:340
Inv Date:05-28-2026
Price: Unit price: $0.4754
Buy/RFQ:
Part No:MF-RX065/72-0
Stock:340
Inv Date:05-28-2026
Price: Unit price: $0.4754
Buy/RFQ:
Source:Arrow EU
Part No:MF-RX065/72-0
Stock:3000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFRX065720 Resettable Fuse Specifications:

  • Maximum Voltage: 72 Volts
  • Hold Current: 0.65 Amps
  • Trip Current: 1.30 Amps
  • Resistance: 0.27 Ohms (typical at 23°C)
  • Dissipation: 0.72 Watts at 23°C
  • Maximum Surface Temperature in Tripped State: 125°C
  • Operating Temperature Range: -40°C to +85°C
  • Temperature Derating: 0.88 Amps at 40°C, 0.77 Amps at 50°C
  • Material: Flame-retardant epoxy, UL 94 V-0
  • Lead Type: Radial leaded, Sn/CuFe
  • Packaging: Tape and reel, Ammo-Pak options
  • Environmental Resistance: Humidity aging 85% R.H. for 1000 hours, MIL-STD-202, Method 215
  • Certifications: UL Listed (File No. E174545), TUV Certified

Buy the Buy Bourns MFRX065720 Part Number MFRX065720 Online

Secure your electronic projects with the Bourns MFRX065720 resettable fuse, designed for applications up to 72V. This reliable, UL-listed fuse offers fast protection against overcurrent conditions, perfect for security systems, loudspeakers, and transformers. Its environmental resistance and halogen-free construction make it suitable for diverse environments, ensuring safety and compliance. Easy to install and reset, this fuse ensures continuous circuit protection, reducing downtime and replacing the need for traditional fuses. Purchase online today to enhance your project's safety and reliability with this high-quality resettable fuse.

Order your Bourns Series MFRX065720 protective fuse today and ensure your low voltage circuits are safeguarded with reliable, quick-trip resettable technology.

Frequently Asked Questions

Where can I buy Bourns MFRX065720?

You can click on the BUY or RFQ button to purchase MFRX065720 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFRX065720?

You can download the MFRX065720 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFRX065720?

Bourns

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