myMectronic
myMectronic

A Premier B2B Part Search

Bourns MFRX375720 PTC Resettable Fuse

The MF-RX/72 series PTC resettable fuse is designed for low voltage power supply applications up to 72V. It features a radial leaded design and is suitable for protecting loads such as loudspeakers and power transformers. The fuse is encased in a cured, flame-retardant epoxy polymer insulating material that meets UL 94 V-0 standards. It provides resettable circuit protection, making it ideal for use in security systems, audio equipment, and power management applications.

Authorized Distributors
Source:Newark
Part No:MF-RX375/72-0
Stock:63
Inv Date:05-28-2026
Price: Unit price: $0.744
Buy/RFQ:
Source:DigiKey
Part No:MF-RX375/72-0
Stock:3076
Inv Date:05-28-2026
Price: Unit price: $0.92
Buy/RFQ:
Part No:MF-RX375/72-0
Stock:3202
Inv Date:05-29-2026
Price: Unit price: $0.77
Buy/RFQ:
Part No:MF-RX375/72-0
Stock:10
Inv Date:05-28-2026
Price: Unit price: $0.25
Buy/RFQ:
Part No:MF-RX375/72-0
Stock:2981
Inv Date:05-28-2026
Price: Unit price: $0.563
Buy/RFQ:
Part No:MF-RX375/72-0
Stock:2981
Inv Date:05-28-2026
Price: Unit price: $0.563
Buy/RFQ:
Source:Arrow EU
Part No:MF-RX375/72-0
Stock:3000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:MF-RX375/72-0
Stock:5
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFRX375720 PTC Resettable Fuse Specifications:

  • Maximum Voltage: 72 Volts
  • Hold Current: 0.20 - 3.75 Amps (based on model)
  • Trip Current: 0.40 - 7.50 Amps (based on model)
  • Resistance: Varies per model, typically in milliOhms range
  • Resistance Change at 23°C: Rmin = R, Rmax = R
  • Maximum Operating Temperature: -40°C to +85°C
  • Surface Temperature in Tripped State: 125°C
  • Material: Flammability UL 94 V-0 cured epoxy polymer
  • Environmental Resistance: Humidity aged, thermal shock, solvent resistant, vibration tested
  • Package: Radial leaded; tape & reel or Ammo-Pak available for most models
  • Compliance: RoHS, Halogen free, UL, TUV certifications
  • Series: MF-RX/72, suitable for applications up to 72V in security systems, speakers, transformers
  • Dimensions: Refer to datasheet for precise lead and package sizes
  • Features: Resettable circuit protection, flame-retardant casing, RoHS compliant, halogen free

Buy the Buy Bourns MF-RX/72 Series Part Number MF-RX375720 Online

Secure your low voltage power systems with Bourns MF-RX/72 series PTC resettable fuse. Designed for applications up to 72V, it offers reliable, resettable circuit protection. Featuring a flame-retardant epoxy casing that meets UL 94 V-0 standards, this fuse is ideal for security alarms, loudspeakers, and power transformers. Its durable radial leaded design ensures easy installation and long-term stability. Order online today to benefit from fast delivery and trusted quality, ensuring your devices operate safely and efficiently with this essential safety component.

Buy Bourns MF-RX/72 Part Number MF-RX375720 now and experience unmatched reliability and performance for your low voltage power applications.

Frequently Asked Questions

Where can I buy Bourns MFRX375720?

You can click on the BUY or RFQ button to purchase MFRX375720 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFRX375720?

You can download the MFRX375720 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFRX375720?

Bourns

Bourns Part List

Browse and search other Bourns parts, locate datasheets and stock

Sponsored by