Circuit Protection Devices

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Resistor offers effective overcurrent protection

A new device offers a cost effective solution for board level overcurrent protection where resettable fusing is unnecessary, and can replace fuse and resistor combinations with a single component. Brochure available

News from TT Electronics Welwyn Components ( 3 October 2005)

Current limiter eases the inrush

A new current limiter module is designed to reduce the current surge when loads such as transformers (especially toroidal types), switch-mode power supplies or small motors are first switched on. Brochure available

News from REO (UK) ( 3 October 2005)

Transformer based filtering banishes the ghosts

User application article Now electronic power conditioners can provide "computer grade" power at the same price point as surge protection alone, copier dealers can cost-effectively reduce service visits by as much as 50%.

News from Smart Power Systems (30 September 2005)

Gas plasma arresters are lead-free

Littelfuse has introduced the lead-free and RoHS compliant SL0902 Series of miniature gas plasma arresters.

News from Littelfuse UK (22 September 2005)

Devices protect next-generation video lines

Two ultra-low-capacitance devices are designed to protect data interfaces operating at speeds higher than 2GHz.

News from Semtech ( 7 September 2005)

Circuit breaker panel has 18 DC circuits covered

A new dual bus circuit breaker panel provides distribution and overload protection for up to 18 DC circuits and will be of great interest to designers putting sizeable telecomms systems together. Brochure available

News from Unipower Europe ( 7 September 2005)

Slow-blow fuses boost system reliability

A new range of RoHS-compliant slow-blow surface-mount fuses in industry standard 1206 chip sizes combines small size, high reliability and strong arc suppression characteristics.

News from Raychem Circuit Protection (31 August 2005)

Overcurrent protector is ceramic based

To cater the fast growth of VoIP and increasing numbers of telecommunication lines, TDA Elektronic Technology had developed a Pb-free 50ohm resettable 600V AC overcurrent protector. Brochure available

News from TDA Elektronic Technology (30 August 2005)

Resettable fuses go lead-free

TDA Elektronic Technology has introduced lead-free versions of its CPTC series of resettable fuses. Brochure available

News from TDA Elektronic Technology ( 8 August 2005)

Photocouplers protect AC circuits

Toshiba Electronics Europe has expanded its range of photocoupler parts with two new devices that will reduce board space and improve performance in home appliances and other AC power applications.

News from Toshiba Electronics Europe ( 8 August 2005)

Two-line devices shrink the size of ESD protection

New from ON Semiconductor is the uESD (micro ESD) dual series of high-performance, micro-packaged electrostatic discharge (ESD) protection diodes.

News from ON Semiconductor ( 5 August 2005)

TVS shrinks to less than a quarter the size

A new 3.3V transient voltage suppression protection device features a footprint that is 77% smaller than the industry standard.

News from Semtech ( 4 August 2005)

Current transducers watch for solar shorts

The CT family of current transducers are designed for use in a range of safety applications including solar installations.

News from LEM UK (28 July 2005)

Protection relay is a smart combination

The new Smart Power Protection Relay from E-T-A combines the functions of a solid state relay and overcurrent protection for all 12 and 24V supplies.

News from Aerco (20 July 2005)

Overcurrent protection suits telecomms linecards

The PolySwitch TSM600-400 is a low-resistance resettable overcurrent protection device for communications infrastructure applications.

News from Raychem Circuit Protection (19 July 2005)

Electronic breaker needs no sense resistor

A novel electronic circuit breaker senses load currents using the on-resistance of an external MOSFET, eliminating the need for a sense resistor. Brochure available