Circuit & System Protection


Latest Articles

Mains inlets with resettable circuit breaker
10 September 2003, Perimeter Security, Alarms & Intruder Detection
The latest addition to Bulgin's Polysnap range of mains inlet modules now incorporates a miniature circuit breaker. Polysnap modules have previously used conventional fused inlets but this circuit breaker ...

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SMT surface-mount DPaK heatsinks
10 September 2003, Actum, Fire & Safety
Aavid's DPak (D/D2/D3 Pak) thermal solution allows circuit designers to decrease device case temperatures by 17°C at 2 W power dissipation, or increase the maximum power handling capability of the device ...

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Transient suppressor component can replace up to 150 discrete diodes
27 August 2003, Hi-Q Electronics
For more efficient electrical and electronic device protection against destructive higher power transient voltages, Littelfuse developed the AK series high current silicon transient suppressor. The ...

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Fast multilayer varistors for circuit and ESD protection
27 August 2003, Electrocomp
Vishay BCcomponents has released a new range of multilayer varistors that combine typical 0,5 ns response time with capacitance values down to 70 pF (25 pF optional) in accordance to CECC42000 ...

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Ground fault sensors
13 August 2003, Denver Technical Products, Power Electronics / Power Management
LEM's AKS series of ground fault sensors are designed to operate on AC systems in the frequency range from 50 to 400 Hz. Ground fault sensors operate from the line and are also available to operate on ...

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Line card protectors
13 August 2003, Altron Arrow
Bourns' TISP3xxxT3BJ is a dual 3-terminal protector with protection voltages ranging from 70 to 395 V. Two bi-directional protection elements are integrated into the single 3-pin SMB package. This unique ...

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Surface-mount fuses
16 July 2003
Camden Eelectronics, UK, has launched a new range of surface-mount fuses available in both time delay and quick blow variants. Fearuring UL and CSA approvals, the CFSSMTF/T fuses are packaged in 6,2 ...

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High-speed data line protection and filter devices
18 June 2003
ON Semiconductor has introduced five new microintegration circuits designed to protect sensitive components in portable and computing applications from damaging and disruptive electrical transients during ...

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Surface mount fuse clips for automotive applications
18 June 2003, Altron Arrow
New from Harwin is the vertical entry, surface mount fuse clip specifically designed to accept blade fuses typically found in automotive and related applications. The SMT Fuse Clip is designed for mating ...

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Silicon temperature sensor is small and fast
4 June 2003, Electrocomp
Temperature sensing has in the past predominantly been the domain of PTC thermistors. Infineon Technologies says that its KT-Series silicon temperature sensor is a cost-competitive alternative. The ...

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Lever fuse terminal in compact design
4 June 2003, Phoenix Contact
The ST 4-HESI spring cage fuse terminal from Phoenix Contact has a lever that takes glass tube micro-fuses measuring 5 x 20 mm. It is suitable for protecting devices and for use in I&C circuits. The power ...

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600 V PPTC resettable fuses
21 May 2003
Bourns has introduced a new line of 600 V overcurrent protection products designed to protect telecom networks. Equipment such as modems, cable modems, fax machines, set-top boxes, point of sale and ...

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Complete range for overcurrent protection
21 May 2003, Electrocomp
EPCOS offers one of the world's largest range of PTC thermistors for overcurrent protection. Both leaded components for rated voltages from 6 to 1000 V and a wide variety of SMDs are available. A new ...

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Gas discharge tubes provide high level of protection
7 May 2003
The PBAX and CXP protectors from Citel use a gas discharge tube to protect electronic and electrical equipment from lightning surges. The gas discharge tube is placed in parallel on the line. It is ...

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Protection for 100 Base-T networks
7 May 2003, Surge Technology
The locally-designed and manufactured NET-Protector surge protection modules from Surge Technology are said to be only 1U in height with a depth of 80 mm. The units are designed specifically for 19" rack ...

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Self-hold thermostat
7 May 2003, Electrocomp, Conferences & Events
A snap-action, self-hold thermostat for motor and appliance applications, Pepi's Model JS opens the circuit in a fault condition, and an internal heat source holds it open until power is removed and the ...

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Extremely thin bimetal protector
23 April 2003, Electrocomp, Security Services & Risk Management
Pepi's snap action Model S thermal protector is said to be the thinnest type of control of its kind. Equipped with gold diffused contacts for use in low voltage/low current applications, the bimetallic ...

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USB2.0-compatible low profile chip common mode choke coils
9 April 2003
Murata has introduced a new series of chip common mode choke coils. The DLP11 series provide high levels of EMI noise suppression in high-speed differential mode signal transmission lines such as USB2.0. ...

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Conductive silicones
9 April 2003, RF Design
Rogers' EC-2000 series conductive silicones are said to be the industry's first electrically conductive EMI/RFI shielding material available in wide, continuous rolls. These products are among the thinnest, ...

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Creep action thermostats
9 April 2003, Electrocomp
Pepi's Models C and CR creep action thermostat/thermal protectors with conductive bimetal construction have low internal resistance and are available with gold diffused contacts for use in low voltage/low ...

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