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Markets
PolySwitch devices are used in a wide variety of applications:

Automotive
• Actuators and medium motors
• Trace protection
• Wire harnesses

Battery Protection
• Lithium cells and battery packs
• Rechargeable battery packs
• Chargers

Computers and Peripherals
• DDC.2 computer video ports
• Hard disk drives/storage devices
• IEEE1394 ports
• Mouse and keyboard ports
• USB (Universal Serial Bus) ports
• PC (PCMCIA) cards and sockets
• SCSI

Industrial
• MOSFET device protection
• Motors, fans, and blowers
• POS equipment
• Process and industrial controls
• Security and fire alarm systems
• Test and measurement equipment
• Transformers
• Medical electronics

Consumer
• Loudspeakers
• Satellite video receivers

Infocom & Networking
• Primary protection: MDF modules, Network
Interface Devices (NIDs)
• Analog modems, ISDN and xDSL equipment
• WAN, LAN, T1 Equipment
• Access network equipment, Central Office
switches
• Cable power passing taps
• UL 1950, Telcordia GR-1089, GR-974 power fault
protection
• ITU-T K.20, K.21, K.45 resistability requirements
• Customer premise equipment