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MF-USML700/6-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 6V 7A 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)：7:00 AM
- Current - Trip (It)：14 A
- Current - Max：50 A
- Time to Trip：2 s
- Resistance - Initial (Ri) (Min)：1 mOhms
- Resistance - Post Trip (R1) (Max)：8 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)：0.039" (1.00mm)
- Lead Spacing：-
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Overview
The Bourns MF-USML700/6-2 is a surface-mount polymeric positive temperature coefficient (PPTC) resettable fuse designed for circuit protection. It features a maximum voltage rating of 6V DC and a hold current of 7A, with a trip current of 14A. The component utilizes a 1210 (3225 metric) package style and offers an initial resistance of approximately 8 milliohms. It is rated for a maximum fault current of 50A and operates within a standard ambient temperature range.
Feature Summary
- Polymeric PPTC technology provides automatic reset capability after fault conditions clear
- Surface mount construction facilitates automated assembly processes
- Compact 1210 package size supports space-constrained board layouts
Applications
- Low-voltage battery pack protection
- Portable electronic device overcurrent safeguarding
- USB port and peripheral circuit protection
Procurement Notes
Verify the specific suffix designation to confirm the exact voltage and current ratings required for the application. Ensure that the selected variant matches the system's maximum operating voltage and expected load current parameters. Confirm compliance with relevant safety certifications such as UL or TUV if mandated by the end-product specifications.
Selection Notes
Select this component based on the system's maximum operating voltage not exceeding 6V DC. Ensure the normal operating current remains below the 7A hold current threshold to prevent nuisance tripping. Verify that potential fault currents do not exceed the 50A maximum fault current rating of the device to ensure reliable operation without damage.
Part Context
This part belongs to the Multifuse series of polymer resettable fuses from Bourns. These devices serve as alternative protection components to traditional one-time fuses in low-voltage applications. The series is characterized by its ability to recover automatically after cooling down, offering cost-effective protection for consumer electronics and portable devices.
Replacement Considerations
Direct substitutes must match the 6V DC rating, 7A hold current, and 1210 package dimensions. Verify that any replacement maintains equivalent trip characteristics and thermal performance to ensure identical circuit protection behavior.
