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Bourns MFRX020720 PTC Resettable Fuse

The Bourns RX/72 Series is a reliable line of PTC resettable fuses designed for low voltage applications up to 72V. These radial leaded devices offer circuit protection for various electronic systems including security, fire alarm setups, loudspeakers, and power transformers. Made from a cured, flame-retardant epoxy polymer insulating material meeting UL 94 V-0 standards, they are RoHS compliant and halogen free. With robust environmental resistance, these fuses support a broad temperature range from -40°C to +85°C, ensuring safety and durability in demanding conditions.

Authorized Distributors
Source:Newark
Part No:MF-RX020/72-0
Stock:1861
Inv Date:05-28-2026
Price: Unit price: $0.468
Buy/RFQ:
Source:DigiKey
Part No:MF-RX020/72-0
Stock:720
Inv Date:05-28-2026
Price: Unit price: $0.75
Buy/RFQ:
Part No:MF-RX020/72-0
Stock:10374
Inv Date:05-29-2026
Price: Unit price: $0.39
Buy/RFQ:
Part No:MF-RX020/72-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.01
Buy/RFQ:
Part No:MF-RX020/72-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.38
Buy/RFQ:
Part No:MF-RX020/72-0
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.38
Buy/RFQ:
Source:Arrow EU
Part No:MF-RX020/72-0
Stock:7000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFRX020720 PTC Resettable Fuse Specifications:

  • Maximum Voltage: 72 V
  • Rated Current: 0.20 to 40 Amps depending on model
  • Resistance: 0.13 to 4.40 Ohms at 23°C
  • Environmental Temperature Range: -40°C to +85°C
  • Material: Flame-retardant epoxy polymer, RoHS compliant, halogen free
  • Lead Material: Sn/CuFe or Sn/Cu
  • Dimensions: Vary by model, approx. 1.0 to 2.0 mm lead diameter
  • Housing Style: Radial leaded
  • UL Certification: File E174545, CSA File 110338, TUV File 2057213
  • Protection Type: Resettable, overcurrent, and short-circuit protection
  • Operational features include thermal shock resistance, humidity aging, and solvent resistance

Buy the Bourns RX/72 – Reliable PTC Resettable Fuses for Industrial Applications

Order the Bourns RX/72 series online for dependable circuit protection in low-voltage environments. These resettable fuses are ideal for security, fire alarm, loudspeakers, and power transformer applications, offering exceptional environmental resistance and UL certification. With RoHS compliance and halogen-free construction, they meet strict safety and environmental standards. Available in various current ratings, these radial leaded devices are packaged for efficient handling, ensuring quick setup and reliable long-term performance in demanding industrial and electronic systems.

Get Bourns RX/72 today—built for precision, high reliability, and durable circuit protection across industrial and consumer electronics.

Frequently Asked Questions

Where can I buy Bourns MFRX020720?

You can click on the BUY or RFQ button to purchase MFRX020720 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFRX020720?

You can download the MFRX020720 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFRX020720?

Bourns

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