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MF-USML700-2
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Product Detailed Parameters
- Description：PTC RESET FUSE 6V 7A 1210
- Series：Multifuse®, MF-USML
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- 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)：13.5 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)：0.047" (1.20mm)
- Lead Spacing：-
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Overview
The MF-USML700-2 is a surface-mount polymer positive temperature coefficient (PPTC) resettable fuse manufactured by Bourns Inc. It belongs to the USML series, designed for low ohmic applications in compact form factors. The component features a 1210 package size and provides overcurrent protection with a hold current of 7.0 A and a trip current of 14.0 A. It operates at a maximum voltage of 6 VDC. The device utilizes a polymeric construction to offer reliable circuit protection against short circuits and overloads while maintaining low resistance during normal operation.
Feature Summary
- Polymer PTC technology for resettable overcurrent protection
- Low ohmic design optimized for space-constrained PCB layouts
- Surface mount construction compatible with automated assembly processes
- Fast response time to overcurrent events
Applications
- Portable electronic devices requiring compact circuit protection
- Battery-powered equipment needing overload safeguarding
- Consumer electronics with limited board space
- USB peripheral protection circuits
Procurement Notes
Verify the specific suffix designation when ordering, as variants such as MF-USML700/6-2 may exist with identical electrical characteristics but different packaging or marking codes. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure that the selected variant matches the required hold current and voltage ratings for the target application environment.
Selection Notes
Select this component for applications demanding high holding current in a minimal footprint. The 1210 package allows for dense PCB routing while providing robust thermal performance. Consider the tripping characteristics and recovery time when designing protection schemes for sensitive downstream components. Verify that the operating temperature range aligns with the environmental conditions of the end product.
Part Context
This part is part of Bourns' USML series of surface-mount resettable fuses. These devices are engineered for modern electronics where space is at a premium. The series offers various current ratings within the same physical envelope, allowing designers to standardize on package sizes while adjusting protection levels. The MF-USML700-2 specifically targets high-current portable applications.
Replacement Considerations
The MF-USML700/6-2 is a confirmed substitute part number with equivalent electrical specifications. Both parts share the same 7.0 A hold current, 6 V rating, and 1210 package dimensions. Verify that the replacement part meets all mechanical and regulatory requirements before implementation.
