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MF-USML380-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 6V 3.8A 1210
- Series：Multifuse®, MF-USML
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Bulk
- Type：Polymeric
- Voltage - Max：6V
- Current - Hold (Ih) (Max)：3.8 A
- Current - Trip (It)：8:00 AM
- Current - Max：50 A
- Time to Trip：2 s
- Resistance - Initial (Ri) (Min)：2 mOhms
- Resistance - Post Trip (R1) (Max)：16 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 0.102" W (3.22mm x 2.58mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.024" (0.60mm)
- Lead Spacing：-
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Overview
The MF-USML380-2 is a polymeric PTC resettable fuse manufactured by Bourns Inc. It is designed for surface mount applications in the 1210 (3225 Metric) package. The component features a holding current of 3.8 A and a tripping current of 8 A. It exhibits a low resistance of 0.002 Ohms. The device supports a maximum voltage rating of 12 V and can handle a maximum current rating of 50 A. It operates within a temperature range from -40°C to 85°C.
Feature Summary
- Provides overcurrent protection through automatic reset functionality
- Utilizes polymeric technology for reliable circuit safeguarding
- Designed for surface mount integration on printed circuit boards
Applications
- Consumer electronics circuit protection
- Portable device power line safeguarding
- Low voltage automotive electronic modules
Procurement Notes
Verify component availability status as this specific part number may be obsolete or discontinued. Confirm replacement options with the manufacturer if direct procurement is not possible. Ensure that any substitute components meet the original electrical specifications and physical footprint requirements for seamless integration into existing designs.
Selection Notes
Select this component based on its specific current and voltage ratings suitable for low-voltage applications. Consider the surface mount package size for PCB layout constraints. Evaluate the thermal performance characteristics to ensure operation within the specified temperature range under expected load conditions.
Part Context
This part belongs to the Multifuse PPTC resettable fuse family from Bourns. These devices offer reusable overcurrent protection compared to traditional fuses. The series is engineered for compact electronic designs requiring reliable circuit interruption and restoration capabilities without manual intervention after fault clearance.
Replacement Considerations
Direct substitutes include MF-USML380/6-2, P-TCO-U350/12-2, MF-PSML350/8-2, and MF-NSML400/6-2. Verify compatibility of these alternatives regarding current ratings, voltage limits, and package dimensions before implementation.
