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Bourns MFNSML4502 Low Ohmic PTC Resettable Fuse

The Bourns MF-NSML series offers low ohmic PTC resettable fuses, providing reliable overcurrent protection for various electronic devices. These fuses are surface mountable, featuring a compact 1206 size and low profile, ideal for mobile applications. They are RoHS compliant and halogen-free, ensuring environmental responsibility. Applications include thermal protection for Li-ion battery packs, USB port protection, and HDMI source protection. The MF-NSML450-2 specifically offers a hold current of 4.50 Amps and a trip current of 9.00 Amps, with a maximum trip time of 22.5 seconds.

Authorized Distributors
Source:Newark
Part No:MF-NSML450-2
Stock:3500
Inv Date:05-28-2026
Price: Unit price: $0.458
Buy/RFQ:
Part No:MF-NSML450-2
Stock:0
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:
Part No:MF-NSML450-2
Stock:3500
Inv Date:05-28-2026
Price: Unit price: $0.3488
Buy/RFQ:
Part No:MF-NSML450-2
Stock:3500
Inv Date:05-28-2026
Price: Unit price: $0.3488
Buy/RFQ:

Bourns MFNSML4502 Low Ohmic PTC Resettable Fuse Specifications:

  • Features: Surface mount packaging, small footprint, ultra-low resistance, RoHS compliant
  • Model: MF-NSML450-2
  • V max: 6 Volts
  • I max: 50 Amps
  • Ihold: 4.50 Amperes
  • Itrip: 9.00 Amperes
  • Rmin: 0.0010 Ohms
  • R1Max: 0.0140 Ohms
  • Max Time To Trip: 22.5 Seconds
  • Tripped Power Dissipation: 0.8 Watts
  • Operating Temperature: -40 °C to +85 °C
  • Storage Condition: +40 °C max. / 70 % RH max.
  • Floor Condition: +30 °C max. / 60 % RH max.
  • Passive Aging: +85 °C, 1000 hours ±10 % resistance change
  • Humidity Aging: +85 °C, 85 % R.H. 100 hours ±15 % resistance change
  • Thermal Shock: +85 °C to -40 °C, 20 times ±30 % resistance change
  • Solvent Resistance: MIL-STD-202, Method 215
  • Vibration: MIL-STD-883C, Method 2007.1
  • MSL: Class 6
  • ESD Classification: HBM
  • Agency Recognition: cUL File Number E174545, TÜV Certifcate Number R 50302873
  • Applications: Thermal protection for Li-ion & polymer battery packs, USB port protection, HDMI 1.4 Source protection, Mobile phones, PDAs / digital cameras, Game console port protection, PC motherboards

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Frequently Asked Questions

Where can I buy Bourns MFNSML4502?

You can click on the BUY or RFQ button to purchase MFNSML4502 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part MFNSML4502?

You can download the MFNSML4502 datasheet or visit the Bourns website for support.

Who is the manufacturer of MFNSML4502?

Bourns

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