This family of telecommunication and networking

devices was initially designed to meet the growing

demand for resettable overcurrent protection. These

product families help provide protection against

damage caused by power cross and power induction

surges as defined in ITU, Telcordia GR1089, and

UL60950. Available in chip, surface-mount, and radialleaded configurations, TE’s PolySwitch devices help

improve the reliability of customer premise and network

equipment world wide.

Benefits

• Many product choices give engineers more design

flexibility

• Compatible with high volume electronics assembly

• Assist in meeting regulatory equipment requirements

• Improved line balance

• Applicable for legacy POTS and modern digital

communications equipment

Features

• RoHS compliant

• Resettable overcurrent protection

• Surface-mount, radial-leaded, and chip form factors

• Fast time-to-trip

• Agency recognition: UL, CSA, TÜV

• Resistance sorted and matched devices available

• Low parasitic capacitance/flat impedance with

frequency

Applications

• Modems

• Phone sets

• Fax machines

• Phone wall outlets

• Alarm systems

• PBX systems

• MDF modules

• Analog and digital line cards

• T1/E1 equipment

• xDSL modems and splitters

• Powered ethernet systems

• VoIP (Voice over Internet Protocol) equipment

• LAN, WAN equipment

• Customer premise equipment

• Access network hardware