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MF-VS170N-0
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Product Detailed Parameters
- Description：PTC RESET FUSE 12V 1.7A STRAP
- Series：Multifuse®, MF-VS
- Mfr：Bourns Inc.
- Package：Bulk
- Type：Polymeric
- Voltage - Max：12V
- Current - Hold (Ih) (Max)：1.7 A
- Current - Trip (It)：3.4 A
- Current - Max：100 A
- Time to Trip：3 s
- Resistance - Initial (Ri) (Min)：30 mOhms
- Resistance - Post Trip (R1) (Max)：105 mOhms
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：User Defined
- Package / Case：Strap
- Size / Dimension：0.906" L x 0.148" W (23.00mm x 3.75mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.035" (0.90mm)
- Lead Spacing：-
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Overview
The Bourns MF-VS170N-0 is a PTC resettable fuse from the Multifuse series, designed for strap mount installation with axial leads. It features a hold current of 1.7 A and a trip current of 4.1 A at ambient conditions. The device supports a maximum voltage of 10 VDC and offers a high interrupting rating of 100 A. Its initial resistance is 32 mOhms, with a power dissipation of 1.4 W. Operating temperatures range from -40°C to +85°C. Physical dimensions include a length of 10.4 mm, width of 0.9 mm, and height of 0.9 mm.
Feature Summary
- Provides automatic circuit protection through positive temperature coefficient polymer technology that resets after fault clearance.
- Features an axial lead configuration with a strap mount style for secure mechanical attachment.
- Delivers high interrupting capability to safely handle fault currents without permanent damage.
Applications
- Overcurrent protection in consumer electronics assemblies
- Circuit safeguarding in office machines and peripherals
- Protection within industrial instrumentation control loops
Procurement Notes
Verify the specific suffix designation against official Bourns documentation to confirm lead type and voltage rating compatibility. Confirm RoHS compliance status via the latest datasheet revision. Check for product change notifications or end-of-life notices prior to final design approval to ensure long-term supply stability.
Selection Notes
Select this component when a low-profile axial PTC fuse is required for circuits operating at 10 VDC. Ensure the application current remains below the 1.7 A hold threshold under maximum ambient temperature conditions. Verify that the physical space accommodates the 10.4 mm length and strap mounting requirements for reliable thermal performance.
Part Context
This part belongs to the Bourns Multifuse MF-VS series, which specializes in low-resistance, high-current resettable fuses. The series utilizes conductive polymer technology to provide robust overcurrent protection. These devices are engineered for applications requiring rapid response times and reliable reset characteristics in compact form factors.
Replacement Considerations
Consult official Bourns substitution guides for verified alternatives. Cross-reference parameters such as hold current, voltage rating, and package dimensions to ensure functional equivalence. Generic substitutes may not match the specific thermal or electrical characteristics of the original component.
