Circuit & System Protection


Latest Articles

Telecom protection improved
10 September 2003, Electrocomp, Perimeter Security, Alarms & Intruder Detection
Epcos has launched two completely-new PTC thermistor designs for telecom line protection. The new square PTC thermistor R212 is designed for the latest generation of main distribution frame modules. ...

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Protect your signal and datalines from surges and interference
10 September 2003, Electrocomp, Fire & Safety
Bourns Series 1600, 1700 and 1800 surge protectors are designed to shield sensitive equipment connected to data and signal interfaces from damage or upset caused by electrical surges. These signal and ...

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Fuse assortment
10 September 2003, Actum Electronics, Security Services & Risk Management
ELU offers 'servicemen's fuse assortments' especially produced for overall workshop and on the spot after sales service. Available in F (fast), M (medium) and T (slow) versions and five different rupturing ...

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SMT heatsinks for D-PAK
10 September 2003, Electrocomp, Access Control & Identity Management
In surface-mounted electronic component (SMD) technology, the use of the D PAK, D PAK (TO252), D2PAK (TO263) and D3PAK (TO268) series packaging is increasingly common. Fischer Elektronik manufactures ...

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Selecting an ESD suppressor
10 September 2003, Surveillance
Littelfuse offers three device technologies for the suppression of ESD events and other EMC-related transients. These are the MultiLayer Metal Oxide Varistor, Silicon (SCR/diode array and TVS avalanche ...

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Protected connectors for sensitive circuit applications
10 September 2003, Electronic Industry Supplies, Security Services & Risk Management
Spectrum Control offers a full line of ESD/EFT (electrostatic discharge/electronically fast transients) protected connectors and adapters for sensitive circuit applications. According to the manfacturer, ...

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Surface-mount RFI shield clip
10 September 2003, Altron Arrow
As demand for RFI shielding has risen significantly, the need for an effective way to mount shields has now been addressed by Harwin. Traditionally, shielding cans are soldered directly to the printed ...

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EMC filter series extended
10 September 2003, Electrocomp
EPCOS is widening its range of EMC filters. The company's tried-and-tested SIFI family has now been joined by the new SIFI-G types. This makes up a cost-optimised modular line of six series altogether. The ...

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PC board heatsinks with solder pins
10 September 2003, Electrocomp
In order to ensure efficient cooling of single electronic components, the use of PC13 heatsinks is the optimum solution for both thermal properties and ease of assembly. Fischer Elektronik offers such ...

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Have a surge protection strategy to safeguard industrial equipment
10 September 2003, Electrocomp
Protection is necessary at all electrical inputs and outputs to properly safeguard equipment. A typical circuit is shown in Figure 1 for data transmission from building to building (RS422) and from a ...

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Slide-on heatsinks for DIPs
10 September 2003, Actum Electronics, Surveillance
Aavid offers slide-on heatsinks for DIP-packed devices. They may be used with or without IC sockets and no glueing is required as they simply slide onto the DIP while a locking catch prevents the heatsink ...

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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 Electronics, 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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