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Bourns MFUSML3502 Low Ohmic PTC Resettable Fuse
Bourns MF-USML series are low ohmic PTC resettable fuses designed to provide overcurrent protection in a compact form factor. These fuses offer surface mount packaging for automated assembly, a small footprint ideal for space-constrained applications, and ultra-low resistance to minimize voltage drops. They are RoHS compliant and halogen-free, making them environmentally friendly. Common applications include thermal protection for lithium-ion and polymer battery packs, game consoles, PC motherboards, and USB port protection. While currently available, Bourns recommends the enhanced MF-USML/X series for new designs.
Bourns MFUSML3502 Low Ohmic PTC Resettable Fuse Specifications:
- V max: 6 Volts
- I max: 50 Amps
- Ihold: 3.50 Amperes at 23 °C
- Itrip: 7.00 Amps
- Rmin: 0.0030 Ohms at 23 °C
- R1Max: 0.0180 Ohms at 23 °C
- Max Time To Trip: 17.50 Seconds at 23 °C
- Tripped Power Dissipation: 0.8 Watts at 23 °C
- Operating Temperature: -40 °C to +85 °C
- Storage Condition: +40 °C max. / 70 % RH max.
- Floor Condition: +40 °C max. / 60 % RH max.
- Passive Aging: +85 °C, 1000 hours (±10 % typical resistance change)
- Humidity Aging: +85 °C, 85 % R.H. 100 hours (±15 % typical resistance change)
- Thermal Shock: +85 °C to -40 °C, 20 times (±30 % typical resistance change)
- Solvent Resistance: MIL-STD-202, Method 215 (No change)
- Vibration: MIL-STD-883C, Method 2007.1 (No change)
- MSL: Class 6
- ESD Classification: HBM
- Agency Recognition: UL File Number: E174545, TÜV Certifcate Number: R 50302873
- A (Min): 3.00 inches
- A (Max): 3.43 inches
- B (Min): 2.35 inches
- B (Max): 2.80 inches
- C (Min): 0.30 inches
- C (Max): 0.60 inches
- D (Min): 0.25 inches
- D (Max): 0.05 inches
- E (Min): 0.45 inches
- E (Max): 0.018 inches
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Frequently Asked Questions
Where can I buy Bourns MFUSML3502?
You can click on the BUY or RFQ button to purchase MFUSML3502 from an authorized Bourns distributor.
How do I troubleshoot issues or seek technical support for part MFUSML3502?
You can download the MFUSML3502 datasheet or visit the Bourns website for support.
Who is the manufacturer of MFUSML3502?
Bourns