TE Connectivity’s circuit protection products are a part of your everyday life. From your cell phone battery to your car's steering wheel, we’re making your world safer and your electronics more reliable. Common electrical equipment can become dangerous through faults, such as overcurrent, overvoltage or overheating. Our products help prevent damage to electrical equipment when subject to these types of faults.

To date, billions of our circuit protection products have been used to help protect a wide range of electronic products in the automotive, communications, appliance, lighting, medical and portable electronic markets. Our products are certified under UL, TUV and other application specific and regional agencies.

The Raychem circuit protection product history of innovation began in 1980 with the first commercial use of polymeric positive temperature coefficient (PPTC) devices for variable resistors in circuit protection applications.

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Technical Articles

Application Note: Customer Premise Equipment (Circuit Protection Devices) Customer Premise Equipment (CPE), also known as subscriber equipment, includes any equipment that is connected to the telecommunications network and located at a customer's site. Examples of CPE... (View Full Article)
Application Note: MHP-TA Resettable TCO Device for Lithium Battery Protection (Circuit Protection Devices) Introduced in the 1990s, the Lithium-Ion (Li-ion) battery immediately proved popular in both consumer and industrial applications due to its high energy density and small volume. Today it has become... (View Full Article)