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Bourns MFNSML450122 Low Ohmic PTC Fuse

The MF-NSML/X Series Low Ohmic PTC Resettable Fuses are surface-mount polymer devices designed for thermal protection in lithium-ion, polymer batteries, and mobile applications. They feature a compact 1206 footprint, ultra-low resistance, RoHS compliance, halogen-free design, and are suitable for protecting USB ports, PC motherboards, mobile phones, and game consoles. These devices provide reliable overcurrent protection, resettable operation, and are qualified for automated assembly processes, ensuring safe, space-efficient, and durable circuit protection in space-constrained electronic devices.

Authorized Distributors
Source:Newark
Part No:MF-NSML450/12-2
Stock:1425
Inv Date:05-28-2026
Price: Unit price: $0.793
Buy/RFQ:
Source:DigiKey
Part No:MF-NSML450/12-2
Stock:5675
Inv Date:05-28-2026
Price: Unit price: $1.1
Buy/RFQ:
Part No:MF-NSML450/12-2
Stock:1327
Inv Date:05-29-2026
Price: Unit price: $1.16
Buy/RFQ:
Part No:MF-NSML450/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.16
Buy/RFQ:
Part No:MF-NSML450/12-2
Stock:2896
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFNSML450122 Low Ohmic PTC Fuse Specifications:

  • Maximum Voltage: 12 V
  • Hold Currents: 1.50 A to 4.50 A
  • Resistance: 0.002 to 0.065 Ohms at 23°C
  • Operating Temperature: -40°C to +85°C
  • Ambient Storage Temperature: -40°C to +85°C
  • Reflow Soldering Profile: Pb-free, peak temperature 260°C, recommended profile conforming to industry standards
  • Product Dimensions: 3.0 x 1.4 x 0.5 mm (1206 size)
  • Vibration Resistance: No change in operation after MIL-STD-883C testing
  • Environmental Resistance: MIL standards compliance, moisture, thermal shock, solvent resistance
  • Certifications: cUL recognized, TUV certified, RoHS compliant, halogen-free
  • Number of Cycles (Imax): 100, with no arcing or burning
  • PPTC Device Type: Resettable polymer positive temperature coefficient fuse
  • Application Methods: Suitable for automatic surface-mount assembly, compatible with standard PCB processes

Buy the Buy Bourns MF-NSML450122 Low Ohmic PTC Resettable Fuse Part Number MF-NSML450122 Online

Get the Bourns MF-NSML450122 Low Ohmic PTC resettable fuse online today. Designed for space-saving circuit protection in mobile devices, PCs, and gaming consoles, it offers ultra-low resistance, reliable resettable overcurrent protection, RoHS compliance, and halogen-free construction. Easy to incorporate into automated surface-mount PCB assembly, this fuse ensures device safety and durability under various environmental conditions. Protect your sensitive electronics with this high-quality, certified polymer PTC device, available for fast online purchase to keep your projects secure and compliant.

Order your Bourns SeriesMF-NSML450122 low resistance PTC fuse today and ensure reliable overcurrent protection in your mobile and PC applications.

Frequently Asked Questions

Where can I buy Bourns MFNSML450122?

You can click on the BUY or RFQ button to purchase MFNSML450122 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFNSML450122?

You can download the MFNSML450122 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFNSML450122?

Bourns

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