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Bourns MFR0052 PTC Resettable Fuse

Bourns MF-R005-2 is a resettable fuse, also known as a PTC (Positive Temperature Coefficient) fuse, designed to protect circuits from overcurrent conditions. When an overcurrent event occurs, the fuse's resistance increases, limiting the current flow and preventing damage to the circuit. Once the fault is removed, the fuse automatically resets, restoring circuit functionality. These fuses are commonly used in computers, peripherals, and general electronics applications where reliable and automatic overcurrent protection is required. They are RoHS compliant and halogen free, meeting environmental standards. Available in various models with different voltage and current ratings, the MF-R series provides a versatile solution for circuit protection needs.

Authorized Distributors
Source:Newark
Part No:MF-R005-2
Stock:2238
Inv Date:05-28-2026
Price: Unit price: $0.2
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Source:DigiKey
Part No:MF-R005-2
Stock:14335
Inv Date:05-28-2026
Price: Unit price: $0.17143
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Part No:MF-R005-2
Stock:867
Inv Date:05-29-2026
Price: Unit price: $0.37
Buy/RFQ:
Part No:MF-R005-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.44
Buy/RFQ:
Part No:MF-R005-2
Stock:9921
Inv Date:05-28-2026
Price: Unit price: $0.168
Buy/RFQ:
Part No:MF-R005-2
Stock:9921
Inv Date:05-28-2026
Price: Unit price: $0.168
Buy/RFQ:

Bourns MFR0052 PTC Resettable Fuse Specifications:

  • V max (Volts): 60
  • I max (Amps): 40
  • Ihold (Amperes): 0.05
  • Itrip: 0.10
  • Initial Resistance (Ohms): 7.3
  • 1 Hour (R1) Post-Trip Resistance (Ohms): 22.0
  • Max Time to Trip (Seconds): 0.5
  • Tripped Power Dissipation (Watts): 0.22
  • Operating/Storage Temperature: -40 °C to +85 °C
  • Max Device Surface Temperature in Tripped State: 125 °C
  • Halogen Free: Yes
  • RoHS Compliant: Yes

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Frequently Asked Questions

Where can I buy Bourns MFR0052?

You can click on the BUY or RFQ button to purchase MFR0052 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFR0052?

You can download the MFR0052 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFR0052?

Bourns

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