
PTC Resettable Fuses
PTC Resettable Fuses Reliable Circuit Protection for Modern Electronics
Definition:
PTC (Positive Temperature Coefficient) resettable fuses are advanced circuit protection devices designed to safeguard electronic systems from overcurrent and overtemperature conditions. Unlike traditional fuses that require replacement after tripping, PTC fuses automatically reset once the fault is cleared, ensuring continuous protection and reduced maintenance costs. These components are widely used in applications where reliability and self-recovery are critical.
Types of PTC Resettable Fuses:
1. Radial-Leaded PTC Fuses: Compact and easy to install, ideal for PCB-mounted applications in consumer electronics, power supplies, and automotive systems.
2. Surface-Mount (SMD) PTC Fuses: Designed for high-density circuit boards, commonly used in smartphones, laptops, and IoT devices.
3. High-Voltage PTC Fuses: Engineered for industrial equipment, telecom infrastructure, and renewable energy systems requiring robust overcurrent protection.
4. Battery-Strap PTC Fuses: Specialized for lithium-ion battery packs, providing critical safety in portable electronics and electric vehicles.
Purchasing Recommendations:
- Current Rating: Select a fuse with a hold current slightly above the circuit s normal operating current to avoid nuisance tripping.
- Voltage Rating: Ensure the fuse s maximum voltage exceeds the system s peak voltage for reliable performance.
- Trip Time: Match the fuse s response time to your application s fault tolerance (e.g., fast-acting for sensitive electronics).
- Certifications: Look for industry-standard certifications (UL, TUV, AEC-Q200 for automotive) to guarantee compliance and safety.
PTC resettable fuses offer a cost-effective, maintenance-free solution for modern electronics. By choosing the right type and specifications, you can enhance system durability while minimizing downtime. Explore our curated selection to find the optimal protection for your design needs.
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MF-RHT900-2
PTC RESET FUSE 16V 9A RADIAL
0ZRR0065FF1E
PTC RESET FUSE 60V 650MA RADIAL
PTCCL07H141HBE
PTC RESET FUSE 265V 140MA RADIAL
AGRF800-2
PTC RESET FUSE 16V 8A RADIAL
B59751C0120A070
PTC RESET FUSE 440V 87MA RADIAL
PTR030V0160-BK
PTC RESET FUSE 30V 1.6A RADIAL
B59860C0160A070
PTC RESET FUSE 160V 180MA RADIAL
MPTR90V250
PTC RESET FUSE 90V 2.5A RADIAL
MPTS1210L175
PTC RESET FUSE 6V 1.75A 1210
PTCCL09H271FBE
PTC RESET FUSE 145V 270MA RADIAL
PTCTL4MR250GTE
PTC RESET FUSE 220V 70MA RADIAL
MPTS0603L002R
PTC RESET FUSE 60V 0.02A 0603
MINISMDC260F/16-2
PTC RESET FUSE 16V 2.6A 1812
30R600UMR
PTC RESET FUSE 30V 6A RADIAL
30R900UH
PTC RESET FUSE 30V 9A RADIAL
MPTS1210L175R
PTC RESET FUSE 6V 1.75A 1210
RGEF900-1
PTC RESET FUSE 16V 9A RADIAL
MF-R135
PTC RESET FUSE 30V 1.35A RADIAL
MF-SM008/250F-2
PTC RESET FUSE 80V 80MA 2SMD
PTSLR12066V200
PTC RESET FUSE 6V 2A 1206