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MF-USML380/6-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 6V 3.8A 1210
- Series：Multifuse®, MF-USML/X
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：6V
- Current - Hold (Ih) (Max)：3.8 A
- Current - Trip (It)：7.6 A
- Current - Max：50 A
- Time to Trip：5 s
- Resistance - Initial (Ri) (Min)：2 mOhms
- Resistance - Post Trip (R1) (Max)：20 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：1210 (3225 Metric), Concave
- Size / Dimension：0.127" L x 0.101" W (3.22mm x 2.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.047" (1.20mm)
- Lead Spacing：-
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Overview
The Bourns MF-USML380/6-2 is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection. It belongs to the USML series, characterized by its compact form factor suitable for space-constrained applications. The component functions as a self-resetting overcurrent protector, offering reliable performance in electronic circuits where thermal management and safety are critical requirements.
Feature Summary
- Provides automatic circuit interruption during overcurrent conditions
- Self-resetting functionality eliminates the need for manual replacement after fault clearance
- Surface-mount package design facilitates automated assembly processes
Applications
- Portable electronic device power line protection
- Consumer electronics circuit safeguarding
- Industrial control system overcurrent defense
Procurement Notes
Verify the specific hold current and trip current ratings against the official datasheet to ensure compatibility with the target circuit's operational parameters. Confirm that the voltage rating meets the application's maximum potential requirements. Ensure compliance with relevant environmental regulations such as RoHS standards before finalizing procurement decisions.
Selection Notes
Select this component based on the required holding current and trip current specifications for the protected circuit. Consider the physical dimensions of the surface-mount package to ensure it fits within the available board space. Evaluate the thermal environment to guarantee stable operation under expected operating temperatures.
Part Context
This part is a member of the Bourns USML series of surface-mount PPTC resettable fuses. These devices are engineered to provide robust overcurrent protection in modern electronic assemblies. The series offers various current ratings to suit different circuit needs while maintaining a consistent low-profile footprint.
Replacement Considerations
Consult the official Bourns documentation for confirmed substitute part numbers. Verify that any alternative component matches the electrical characteristics and physical dimensions of the original specification.
