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Bourns MFUSML200122 Low Ohmic PTC Fuse

The Low Ohmic PTC Resettable Fuse series offers surface mount packaging suitable for automated assembly, featuring a small footprint and low profile ideal for space-constrained mobile and electronic applications. These devices provide ultra-low resistance for quick response, high voltage withstand capabilities, and RoHS compliance for environmental safety. Suitable for protecting Li-ion batteries, power delivery ports, PC motherboards, mobile phones, USB ports, and gaming consoles, they ensure reliable circuit protection with high current ratings and fast trip times, making them essential in modern electronic and consumer devices.

Authorized Distributors
Source:Newark
Part No:MF-USML200/12-2
Stock:2542
Inv Date:05-28-2026
Price: Unit price: $0.904
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Source:DigiKey
Part No:MF-USML200/12-2
Stock:1580
Inv Date:05-28-2026
Price: Unit price: $0.8
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Part No:MF-USML200/12-2
Stock:5140
Inv Date:05-29-2026
Price: Unit price: $1.08
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Part No:MF-USML200/12-2
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.52
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Part No:MF-USML200/12-2
Stock:17209
Inv Date:05-28-2026
Price: Unit price: $0.702
Buy/RFQ:
Part No:MF-USML200/12-2
Stock:17209
Inv Date:05-28-2026
Price: Unit price: $0.702
Buy/RFQ:
Part No:MF-USML200/12-2
Stock:5000
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Bourns MFUSML200122 Low Ohmic PTC Fuse Specifications:

  • Operating Temperature: -40 °C to +85 °C
  • Storage Conditions: +40 °C max., 70% RH max. before opening, +40 °C max., 10% RH max. after opening
  • Resistance: Max. 0.050 ohms at 23°C, typical resistance change +10% after 1000 hours at 85°C
  • Hold Current: 1.75A to 5.50A depending on model
  • Maximum Voltage: 12V
  • Trip Resistance: Rmin 0.006 ohms, Rmax 0.050 ohms at 23°C
  • Time to Trip: Up to 20 seconds depending on model and current
  • Power Dissipation: 8-25 Watts depending on model
  • Certifications: RoHS compliant, UL recognized, and agency recognition including cULus
  • Physical Dimensions: Length varies from 3.00 mm to 3.43 mm, width from 2.35 mm to 2.80 mm, height from 0.40 mm to 0.80 mm
  • Packaging: Reel packaging, quantities from 3500 to 5000 pieces per reel
  • ESD Classification: Class 6 (HBM)
  • Vibration and Moisture Resistance: Complies with MIL-STD-883C and MIL-STD-202
  • Soldering: Compatible with Pb and Pb-free reflow profiles, with specific recommendations for reflow temperatures and profiles
  • Certification and safety standards: Suitable for consumer, industrial, and automotive electronic applications

Buy the Bourns Series MF-USML Low Ohmic PTC Resettable Fuses: MFUSML200122

Enhance your electronic device protection with Bourns MFUSML200122 Low Ohmic PTC Fuse. Engineered for reliable circuit safeguarding, this surface-mount fuse features ultra-low resistance, quick response, and high current capacity. Its compact size makes it perfect for space-constrained applications such as mobile phones, batteries, and PC boards. RoHS compliant, UL recognized, and designed to withstand high voltages and thermal stress, buy online today and ensure your circuit's safety with proven Bourns quality and durability.

Buy Bourns MFUSML200122 now and experience unmatched reliability and high current circuit protection for your electronic devices.

Frequently Asked Questions

Where can I buy Bourns MFUSML200122?

You can click on the BUY or RFQ button to purchase MFUSML200122 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFUSML200122?

You can download the MFUSML200122 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFUSML200122?

Bourns

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