myMectronic
myMectronic

A Premier B2B Part Search

Bourns MFUSML400122 Low Ohmic PTC Fuse

The Low Ohmic PTC Resettable Fuse from Bourns' MF-USML/X Series offers a small footprint and surface-mount design, ideal for space-constrained mobile applications. It features ultra-low resistance, quick response, and high voltage withstand capabilities. Certified RoHS compliant, these fuses are suitable for battery protection, power delivery, PC motherboards, mobile devices, and USB ports. They operate effectively within -40°C to +85°C, with robust aging, humidity, and vibration resistance, ensuring reliable overcurrent protection in demanding electronic applications.

Authorized Distributors
Source:Newark
Part No:MF-USML400/12-2
Stock:2798
Inv Date:05-28-2026
Price: Unit price: $0.623
Buy/RFQ:
Source:DigiKey
Part No:MF-USML400/12-2
Stock:3485
Inv Date:05-28-2026
Price: Unit price: $0.45991
Buy/RFQ:
Part No:MF-USML400/12-2
Stock:3462
Inv Date:05-29-2026
Price: Unit price: $0.71
Buy/RFQ:
Part No:MF-USML400/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.52
Buy/RFQ:
Part No:MF-USML400/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.54
Buy/RFQ:
Part No:MF-USML400/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.54
Buy/RFQ:

Bourns MFUSML400122 Low Ohmic PTC Fuse Specifications:

  • Surface Mount Package for automated assembly
  • Footprint size: 1210, low profile for space-constrained applications
  • Operating Temperature: -40°C to +85°C
  • RoHS compliant
  • Voltage Rating: Up to 12 V
  • Hold Current: 1.75 A to 5.50 A
  • Trip Resistance Max: 0.050 Ohms at 23°C
  • Dissipation: Up to 8.0 Watts
  • Resistance Range: 0.006 to 0.055 Ohms at 23°C
  • Environmental Resistance: Humidity aging, thermal shock, vibration compliant with MIL-STD standards
  • Packaging: Tape and Reel, quantity varies by model, e.g., 5000 pcs for MF-USML175/12 to MF-USML260/12

Buy the Bourns Series MF-USML Low Ohmic PTC Fuse: MFUSML400122

Purchase the Bourns Low Ohmic PTC Fuse MFUSML400122 online today to ensure your electronic devices are protected against overcurrent conditions. This compact surface mount fuse offers ultra-low resistance for quick response, high voltage withstand, and robust environmental resistance suitable for mobile applications, battery packs, and PC motherboards. Certified RoHS compliant, it provides reliable, space-efficient overcurrent protection. Order now to secure fast, dependable protection for your devices with easy online shopping and prompt delivery.

Buy Bourns MFUSML400122 low ohmic PTC fuse now and experience unmatched reliability with space-efficient surface mount technology.

Frequently Asked Questions

Where can I buy Bourns MFUSML400122?

You can click on the BUY or RFQ button to purchase MFUSML400122 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFUSML400122?

You can download the MFUSML400122 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFUSML400122?

Bourns

Bourns Part List

Browse and search other Bourns parts, locate datasheets and stock

Sponsored by