
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-RX065/72-0
PTC RESET FUSE 72V 650MA RADIAL
RKEF090
PTC RESET FUSE 60V 900MA RADIAL
30R110UPR
PTC RESET FUSE 30V 1.1A RADIAL
RGEF600
PTC RESET FUSE 16V 6A RADIAL
RGEF700-2
PTC RESET FUSE 16V 7A RADIAL
0ZCK0075FF2E
PTC RESET FUSE 6V 750MA 0805
PTR060V0030-TR
PTC RESET FUSE 60V 300MA RADIAL
B59995C0120A051
PTC RESET FUSE 30V 120MA RADIAL
PTSLR12106V700
PTC RESET FUSE 7A 6V 1210
1812L350SLPR
PTC RESET FUSE 6V 3.5A 1812
MPTS1812L16012
PTC RESET FUSE 12V 1.6A 1812
FSMD050-30-R
RESETTABLE FUSE - SMD, 1812 SIZE
SMDC030F-2
PTC RESET FUSE 60V 300MA 2920
B59970C0080A070
PTC RESET FUSE 80V 90MA RADIAL
MF-RHT050-2
PTC RESET FUSE 30V 500MA RADIAL
B59975C0120A051
PTC RESET FUSE 30V 450MA RADIAL
1812L160PR
PTC RESET FUSE 8V 1.6A 1812
0ZRR0300FF2A
PTC RESET FUSE 60V 3A RADIAL
72R040XU
PTC RESET FUSE 72V 400MA RADIAL
0ZRC0010FF1E
PTC RESET FUSE 90V 100MA RADIAL