Circuit Protection Devices

Archive page 17 of 21

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Surface-mount polymer-based resettable fuses

A family of surface-mount polymer-based resettable fuses in chip sizes from 0805 to 2920 has been introduced by Wickmann Components.

News from Littelfuse UK (25 July 2002)

Compact breaker mounts the PCB

E-T-A Circuit Breakers has introduced a redesigned and improved version of its popular miniaturised magnetic circuit breaker for equipment (CBE). Brochure available

News from E-T-A Circuit Breakers (11 July 2002)

Thyristor trio protect telecomms

A range of thyristor transient voltage suppressors, available from Young ECC, are economical drop in replacements for the market leaders and offer shorter lead times for telecomms and datacomms applic

News from Young-ECC Electronics ( 5 July 2002)

Big protection in small, economical packages

Sequoia Sensors reckons it is bringing a new level of inrush current protection to the European marketplace, following its recent exclusive agreement with Ametherm.

News from Sequoia Technology (28 June 2002)

Coaxial lightning protector keeps surges down

The DSX-D coaxial lightning protector is a weatherproof passive filter design with DC blocking from surge-side centre pin to equipment-side centre pin.

News from Smiths Interconnect - Polyphaser ( 3 June 2002)

Photocoupler slashes power by 80%

In response to increasing demand for energy efficient devices, Toshiba Electronics has released the industry's lowest power consumption photocoupler.

News from Toshiba Electronics Europe (20 May 2002)

Speedy optocouplers handle display interfacing

The combination of small size with low power consumption and high common-mode rejection makes the HCPL-0738 optocoupler ideal for the drive circuits of plasma display panels.

News from Agilent Technologies (14 May 2002)

USB varistor replaces multiple diodes

Future Electronics and AVX have launched a new multilayer surface mount "USB varistor".

News from Future Electronics (30 April 2002)

High-density overcurrent protection for DSL

A novel small-footprint low-resistance surface-mount device provides tandem resettable overcurrent circuit protection for use in high-density multiport linecards and other telecomms network equipment.

News from Raychem Circuit Protection (25 April 2002)

Resettable fuses go on the line side

Designed for use in line voltage applications, the LVR series of PolySwitch resettable devices are rated at 240V AC, and are available in hold currents from 50 to 400mA.

News from Raychem Circuit Protection (25 April 2002)

Circuit breaker snaps in to replace fuse

E-T-A Circuit Breakers has released a modified design for one of its popular, low-cost circuit breakers for equipment (CBEs). Brochure available

News from E-T-A Circuit Breakers (18 April 2002)

Resettable fuse dons coat for safety

Tyco has released a coated version of its popular Raychem TRW250-180 series of radial-leaded PolySwitch devices.

News from Raychem Circuit Protection (12 April 2002)

Gas capsule protects coax systems from surges

Identical in appearance to N or 7/16 format inline coaxial adapters, Radiall's new GDT range of surge protectors incorporate a field replaceable gas capsule between the inner and outer conductors.

News from Radiall ( 3 April 2002)

Transient suppressors shrink for portable uses

Two new families of transient voltage suppressors for 3.3V operation feature extremely low clamping voltage and leakage current values.

News from Semtech (29 March 2002)

Matrix protects basestations from transients

Advance-Galatrek has a new range of transient voltage surge suppressors, specifically intended for installation in mobile basestations.

News from Advance Electronics (28 March 2002)

Circuit breaker adds to inlet functionality

By incorporating a circuit breaker instead of a fuse, the EF11 power module can be reset after a fault, has higher current limiting characteristics and provides instant circuit status indication. Brochure available

News from Schurter (27 March 2002)

Quad optocouplers shrink databus interfaces

NEC has developed a range of ultra-small optocouplers with four on-chip circuits, ideal for implementing isolated digital databus interfaces and handling multiple I/O signals from sequencers and PLCs.