PPTC resettable fusing devices

We offer reliable, self-resetting Polymeric Positive Thermal Coefficient (PPTC) devices for overcurrent protection across a wide range of automotive applications. Explore our circuit protection solutions, from our partner Fuzetec.

Our offerings

Radial leaded PPTC

Versatile, through-hole PPTC fuses (0.05–15 A, up to 90 VDC) designed for durable overcurrent protection in automotive control modules, power electronics, and general-purpose circuits.

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SMD PPTC

Compact surface-mount PPTC fuses from tiny 0201 to larger 2920 packages—designed for high-density PCBs, providing fast resettable protection in constrained automotive electronics.

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High voltage series

PPTC devices rated for up to 277 V and high fault currents—ideal for AC supply lines, EV charging circuits, and telecom-grade protection applications.

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High temperature series

Radial leaded PPTC fuses engineered for extended temperature ranges (up to 125 °C)—perfect for underhood or battery-pack environments demanding thermal resilience.

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Battery strap PPTC

Resettable PTC fuses pre-designed for direct welding onto battery straps—offering reliable overcurrent protection in lithium-ion battery packs and battery management systems.

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Low Rho SMD PPTC

SMD devices optimized with ultra-low resistance (<0.05 Ω), delivering minimal voltage drop during normal operation—ideal for precision automotive sensor and ECU protection.

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Chip & disc PPTC

Miniature chip/disc-style PPTC fuses engineered for space-constrained applications—provide reliable resettable protection in telematics modules, infotainment systems, and compact EV electronics.

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Fuzetec

Fuzetec Technology Co., Ltd., based in Taiwan, is a specialist in resettable circuit protection technology. Founded in 1997, it has grown into a globally trusted manufacturer of Polymeric Positive Temperature Coefficient (PPTC) devices, offering reliable overcurrent protection across consumer electronics, telecom, industrial, and automotive applications. With strong R&D focus and vertically integrated manufacturing, Fuzetec delivers high quality PTC resettable fuses that meet international safety standards, including UL, CSA, and TÜV certifications. Their components are engineered for consistent performance, fast response, and long life under demanding conditions.

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