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Bourns MFNSML4002 Low Ohmic PTC Resettable Fuse

Bourns MF-NSML series resettable fuses provide reliable overcurrent protection for sensitive electronic circuits. Featuring ultra-low resistance and a small footprint, these fuses are ideal for applications such as thermal protection for Li-ion battery packs, USB port protection, and HDMI source protection. They are surface mountable for automated assembly and are RoHS compliant, ensuring environmental responsibility. The series is currently available, although Bourns recommends the enhanced MF-NSML/X series for new designs.

Authorized Distributors
Source:Newark
Part No:MF-NSML400-2
Stock:4985
Inv Date:05-28-2026
Price: Unit price: $0.922
Buy/RFQ:
Part No:MF-NSML400-2
Stock:0
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:MF-NSML400-2
Stock:4985
Inv Date:05-28-2026
Price: Unit price: $0.3837
Buy/RFQ:
Part No:MF-NSML400-2
Stock:4985
Inv Date:05-28-2026
Price: Unit price: $0.3837
Buy/RFQ:

Bourns MFNSML4002 Low Ohmic PTC Resettable Fuse Specifications:

  • Features: Surface mount packaging, small footprint, ultra-low resistance, RoHS compliant
  • Operating Temperature: -40 °C to +85 °C
  • Hold Current (Ihold) @ 23°C: 4.00 Amps
  • Trip Current (Itrip): 8.00 Amps
  • Resistance (Rmin): 0.0015 Ohms
  • Resistance (R1Max): 0.0140 Ohms
  • Max. Time to Trip: 8.00 Seconds
  • Power Dissipation: 0.8 Watts
  • Agency Recognition: cUL File Number E174545, TÜV Certifcate Number R 50302873
  • Packaging: 5000 pcs. per reel

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Frequently Asked Questions

Where can I buy Bourns MFNSML4002?

You can click on the BUY or RFQ button to purchase MFNSML4002 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFNSML4002?

You can download the MFNSML4002 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFNSML4002?

Bourns

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