pptc

Resettable overcurrent protection for ADSL equipment

PPTC) devices have become an accepted circuit protection solution for analog and digital linecards, ADSL and xDSL modems, T1/E1 and voice over IP (VoIP) equipment that must comply with ITU-T recommendations for both customer premise and central office... EDN Asia
Power Sources / Controllers

Power Sources/Circuit Protection

PPTC devices to protect power inputs, communications bus and analog interfaces on their ASIC/1-8655 controller board. Improvements in size, cost and performance have resulted in widespread acceptance of polymeric positive temperature coefficient (PPTC)... ECN Asia
Power Sources & Conditioning Devices

PPTC resettable fuses now available in 0805 to 2920 case sizes

PPTC) resettable fuses. Offered in five EIA/IECQ case sizes—0805, 1206, 1210, 1812, or 2920—the chip fuses are rated up to 60VDC with current ratings from 50mA to 3A. The devices boast a fast trip time and operate within the -40°C to 85°C temperature... EDN Asia
Component / Hardware / Interconnect

PolySwitch PPTC device applications for automotive IEEE 1394 networks

PPTC) device. Resistors are rarely an acceptable solution because of the excessive voltage drop these generate with nominal currents. One-shot fuses may be used, but they may fatigue, and must be replaced after a fault event. The limitations of bimetallic... EDN Asia
Component / Hardware / Interconnect - Computers / Boards / Buses

Polyswitch Offers Form Factor for Circuit Board Designs

PPTC (polymeric positive temperature coefficient) devices surface-mount product family. Featuring 0805 EIA compliant form factor, the surface-mount PolySwitch picoSMD035F offers circuit designers smallest PPTC (polymeric positive temperature coefficient)... ECN Asia
Electromechanical / Mechanical Devices

Tyco Electronics Offers Polyswitch Device for Circuit Board Designs

PPTC (polymeric positive temperature coefficient) devices surface-mount product family. Useful for high frequency data ports, I/O ports and storage devices, the picoSMD035F device offers circuit designers the smallest PPTC overcurrent protection device... ECN Asia
Electromechanical / Mechanical Devices

China: Inflated expectations in heat protection market

PPTC) resettable fuse, double sheet metal, temperature controller, etc. These products have been widely used in electronictransformers, motors, and ballasts. Most local manufacturers of heat circuit protection devices are located in Jiangsu and Zhejiang... ECN Asia
Computers, Peripherals & Networking Devices - Packaging & Interconnects

Fuzetec Technology Releases FRT Series Thermistors

PPTC resettable fuse thermistors, which are suitable for over-current and high-temperature protection for IEEE 1394 applications. The FRT Series offers holding current ranging from 0.9 A to 9 A, and provides maximum operating voltage of 36 V. The products... ECN Asia
Sensors & Actuators

Raychem Intros Rohs Compliant SMD Polyswitch Devices for Auto Market

PPTC (Polymeric Positive Temperature Coefficient) devices help provide resettable overcurrent protection in applications where conserving board space is a critical design factor, such as PCB traces, motors, harnesses, chargers, hands free applications... ECN Asia
Electromechanical / Mechanical Devices

Raychem Lead-Free Mini Polyswitch

PPTC (polymeric positive temperature coefficient) components in a single package, yielding highly balanced resistance characteristics. This developed PolySwitch device is primarily intended for use in “grounded” communications systems such as POTS and... ECN Asia
Electromechanical / Mechanical Devices - Passive & Discrete Components

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