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MF-VS175N-0
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Product Detailed Parameters
- Description：PTC RESET FUSE 12V 1.75A STRAP
- Series：Multifuse®, MF-VS
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：12V
- Current - Hold (Ih) (Max)：1.75 A
- Current - Trip (It)：3.5 A
- Current - Max：100 A
- Time to Trip：3 s
- Resistance - Initial (Ri) (Min)：29 mOhms
- Resistance - Post Trip (R1) (Max)：102 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：User Defined
- Package / Case：Strap
- Size / Dimension：-
- Height - Seated (Max)：-
- Thickness (Max)：-
- Lead Spacing：-
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Overview
The MF-VS175N-0 is a polymeric positive temperature coefficient (PPTC) resettable fuse from the Bourns MF-VS series. It features an axial leaded strap mount configuration designed for surface or through-hole integration. The device maintains a holding current of 1.75 A and trips at 4.2 A, with a maximum voltage rating of 12 V DC. Its initial resistance is 29 mOhms, supporting a maximum fault current of 100 A. The component operates within a temperature range of -40°C to +85°C and has physical dimensions of 24 mm in length, 3.9 mm in width, and 0.9 mm in height.
Feature Summary
- Provides automatic circuit protection by increasing resistance in response to overcurrent conditions
- Utilizes a strap mount design for flexible installation on various PCB layouts
- Offers resettable functionality to restore circuit continuity after fault clearance
Applications
- Overcurrent protection in portable electronic devices
- Surge protection for automotive electronics systems
- Circuit safeguarding in industrial control equipment
Procurement Notes
Verify that the specified 12 VDC rating aligns with the target circuit's maximum operating voltage. Confirm that the 1.75 A holding current meets the continuous load requirements without nuisance tripping. Ensure the 100 A interrupt rating exceeds potential fault currents. Validate mechanical compatibility with the chosen strap mounting method and verify thermal dissipation capabilities within the -40°C to +85°C operational envelope.
Selection Notes
Select this component when a low-profile, strap-mounted PPTC solution is required for circuits operating up to 12 VDC. The 1.75 A holding current suits moderate load applications needing reliable resettable protection. Consider the 29 mOhms initial resistance for minimal impact on normal operation. Evaluate the 100 A max fault current capability against system short-circuit risks. Ensure the axial lead form factor fits the available board space and mounting constraints.
Part Context
This part belongs to the Bourns MF-VS series of PTC resettable fuses, which are engineered for compact, high-reliability protection in space-constrained environments. The series utilizes polymeric technology to provide automatic reset capabilities after fault conditions clear. These components serve as alternatives to traditional fusible links, offering repeated protection cycles without replacement. The MF-VS line emphasizes robust performance across diverse industrial and consumer applications.
Replacement Considerations
Cross-reference with MF-SVS175N-0 for similar electrical ratings but note differences in voltage specifications and package details. Verify that any substitute matches the 1.75 A holding current, 12 VDC maximum voltage, and 29 mOhms resistance. Ensure the replacement supports the same strap mount style and -40°C to +85°C temperature range.
