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Bourns MFNSML400122 Low Resistance PTC Fuse

The MF-NSML/X Series are low ohmic PTC resettable fuses designed for surface mount packaging, ideal for protecting mobile device components like USB ports and batteries. Featuring thermal protection and RoHS compliance, these fuses offer ultra-low resistance and are suitable for space-constrained applications, including PC motherboards and gaming consoles. They utilize innovative freeXpansion™ design for reliable resettable overcurrent protection, with optional halogen-free construction. These fuses meet industry standards, providing durable, automatic circuit protection for electronic devices under transient overloads and peak current conditions.

Authorized Distributors
Source:Newark
Part No:MF-NSML400/12-2
Stock:3685
Inv Date:05-28-2026
Price: Unit price: $0.963
Buy/RFQ:
Source:DigiKey
Part No:MF-NSML400/12-2
Stock:4016
Inv Date:05-28-2026
Price: Unit price: $0.42331
Buy/RFQ:
Part No:MF-NSML400/12-2
Stock:17417
Inv Date:05-29-2026
Price: Unit price: $1.16
Buy/RFQ:
Part No:MF-NSML400/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.16
Buy/RFQ:
Part No:MF-NSML400/12-2
Stock:30
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFNSML400122 Low Resistance PTC Fuse Specifications:

  • Hold Current Range: 1.50 Amps to 4.50 Amps
  • Maximum Voltage: 12 Volts
  • Resistance Max: 0.010 Ohms
  • Temperature Range: -40 °C to +85 °C
  • Reel Quantity: 5000 pcs for MF-NSML150/12 to MF-NSML260/12, 3500 pcs for MF-NSML300/12 to MF-NSML450/12
  • Dimensions: Length 3.0-3.5 mm, Width 1.4-1.8 mm, Height 0.4-0.7 mm
  • Soldering Profile: Pb-free reflow, profile Max 260°C peak, time above 217°C 60-150 sec
  • Certifications: cUL Recognized, RoHS compliant, Halogen free
  • Operational Temperature: -40°C to +85°C
  • ESD Classification: 6 kV HBM
  • Mechanical: RoHS and halogen-free, suitable for automated surface mounting
  • Environmental Resistance: Vibration MIL-STD-883C, humidity aging, thermal shock

Buy the Buy Bourns MF-NSML4088 Series Low Ohmic PTC Resettable Fuses Part Number MFNSML400122 Online

Order Bourns MF-NSML400122 low resistance PTC resettable fuse online and experience fast, reliable protection for your electronic devices. Suitable for mobile phones, PC motherboards, and gaming consoles, these surface mount fuses feature thermal protection, RoHS compliance, and halogen-free construction. Designed for automated assembly, they offer low resistance and excellent durability under transient overloads. Protect your products efficiently with these innovative, easy-to-install fuses that ensure long-lasting circuit safety and compliance with industry standards. Buy now for dependable surge and overload protection.

Get Bourns MF-NSML400122 today—built for reliable overcurrent protection with low resistance and space-efficient surface mount design.

Frequently Asked Questions

Where can I buy Bourns MFNSML400122?

You can click on the BUY or RFQ button to purchase MFNSML400122 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFNSML400122?

You can download the MFNSML400122 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFNSML400122?

Bourns

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