CMF-SDP50A-15-2

Ptc Resettable Fuses Overview

The Bourns CMF-SDP50A-15-2 is a ceramic PPTC resettable fuse from the CMF-SDP series, designed for PCB mount applications via SMD/SMT termination. It features a holding current of 90 mA and a trip current of 190 mA, with a maximum rated voltage of 230 V and a maximum rated current of 2.5 A. The device exhibits a resistance of 50 Ohms and operates within a temperature range of -40°C to +125°C. Physical dimensions include a length of 11 mm, width of 9 mm, and height of 11.5 mm.

Ptc Resettable Fuses Feature Summary

• Utilizes ceramic PTC technology for reliable overcurrent protection in surface-mount configurations.
• Provides automatic circuit recovery after fault conditions are cleared without manual replacement.

Ptc Resettable Fuses Applications

• Overcurrent protection for portable electronic devices
• Protection circuits in automotive electronics
• Industrial control system power lines

Ptc Resettable Fuses Procurement Notes

Verify component authenticity through authorized Bourns distributors or verified supply chain channels. Confirm RoHS compliance status and specific datasheet revisions prior to integration. Ensure storage conditions maintain integrity of the ceramic PTC material. Validate that the SMD/SMT package matches the target PCB footprint requirements for proper soldering and mechanical stability.

Ptc Resettable Fuses Selection Notes

Select this component when a compact, high-resistance resettable fuse is required for low-current DC circuits. The 50 Ohm initial resistance and 90 mA holding current define its operational threshold. Consider the 230 V maximum voltage rating for insulation requirements. Evaluate the -40°C to +125°C operating range against environmental constraints. Compare physical dimensions against available board space for SMD placement.

Ptc Resettable Fuses Part Context

This part belongs to the Bourns CMF-SDP series of ceramic PPTC resettable fuses. The series is characterized by robust ceramic construction suitable for demanding environments. These components serve as alternative protection devices to traditional fusible links, offering reusable circuit safeguarding capabilities in modern electronics manufacturing.

Ptc Resettable Fuses Replacement Considerations

Consult official Bourns documentation for direct cross-reference part numbers. Verify electrical parameters such as holding current, trip current, and voltage ratings match application requirements before substitution.

Ptc Resettable Fuses FAQ

What is the initial resistance value of the CMF-SDP50A-15-2?

The initial resistance is 50 Ohms.

Does this component support automatic circuit restoration?

Yes, it is a resettable fuse that automatically restores conductivity after the overcurrent condition clears and the device cools down.