Circuit & System Protection


Latest Articles

EMI filters with enhanced ESD protection
13 May 2009, MB Silicon Systems
The CM1693 represents the first in California Micro Devices’ family of general and special-purpose low-pass filter products featuring Praetorian III technology for high speed interface requirements. ...

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Miniature TVS diode protects antennas
13 May 2009, EBV Electrolink, Electrocomp
The ESD0P2RF-02LS from Infineon is a TVS antenna protection diode designed for applications such as GPS, mobile TV, FM radio, remote keyless entry (RKE) and tyre pressure monitoring systems (TPMS). It ...

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New range of TVS diodes from NXP
13 May 2009
NXP Semiconductors recently developed a new range of transient voltage suppressor (TVS) diodes housed in the new FlatPower package, SOD123W. Offering a 400 W peak pulse power rating (10/1000 µs), the ...

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Development in single event transient detection technology
13 May 2009, News, News
Progress in complementary metal oxide semiconductor (CMOS) technology has led to smaller dimensions of the devices, increased transistor density, higher performance and lower cost. However, when making ...

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Thermistors for LED driver circuits
29 April 2009, Electrocomp
Epcos has developed a new series of PTC thermistors in the EIA 0603 case size specifically for LED driver circuits. The thermistors have a rated resistance with a narrow tolerance of ±15% and their ...

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PTC thermistors limit inrush current
15 April 2009, Electrocomp
Epcos has extended its series of PTC inrush current limiters for power supplies with the newly packaged B5910XJ family. The new PTC elements have comparable electrical properties to their predecessor ...

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Integrated bidirectional OVP IC
1 April 2009, Future Electronics
ON Semiconductor has introduced an integrated bidirectional device, with positive and negative overvoltage protection (OVP) for portable electronics, and overcurrent protection (OCP) for accessories such ...

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Compact IEC inlet filters
4 March 2009, Electrocomp
With the new B84771A*, B84771C* and B84771M* series of IEC inlet filters, Epcos now offers compact filter solutions that cost-effectively combine an IEC connector with an EMC filter. Despite their space-saving ...

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Thermistor temperature sensor
4 March 2009, Electronic Industry Supplies
Spectrum Sensors and Controls has introduced the Sens-A-Coil thermistor sensor for monitoring the refrigerant temperature in condenser and evaporator coils. This sensor integrates a fast response thermistor ...

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Multiple-pulse varistors
4 March 2009, Electrocomp
Epcos has developed a new rugged series of multiple-pulse MP varistors. These protective components are particularly suited for applications in which frequent overvoltage pulses can be expected, such ...

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Thin film chip fuses
18 February 2009
Bourns has released a new line of thin film chip fuses. The SinglFuse SF series provides highly reliable over-current protection in three surface mountable footprint sizes. Each product size features ...

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Surge arresters for antenna systems
4 February 2009, Surge Technology
Dehn’s DEHNgate family of lightning current/surge arresters, with cable adapter design, are designed to protect cellular base stations and antenna systems from potential damage. According to the application, ...

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USB-OTG bus port protection array
4 February 2009, EBV Electrolink
New from Vishay is a compact ESD protection array featuring low capacitance and leakage current to protect USB-OTG (on-the-go) ports against transient voltage signals. The new device provides three lines ...

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ESD protection for very fast data lines
4 February 2009
NXP Semiconductors has launched a tiny ESD protection device for very fast data lines in an ultra-thin leadless package (UTLP) that claims industry-lowest clamping voltage in a leadless package. The new ...

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Isolating grounds in industrial transceiver systems
21 January 2009
Industrial communication via fieldbus transceiver systems often requires long transmission lines. Designers, unaware of the large ground-potential differences (GPDs) between remote bus locations, either ...

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Surge voltage protection system
21 January 2009, Phoenix Contact
Phoenix Contact’s VAL-CP-MOSO60 arrester combination is a surge voltage protection solution that is suitable for 60 mm system technology. No tools are required to snap the arrester directly onto the busbar ...

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SMD power entry filter
21 January 2009, Electronic Industry Supplies
Typical inductive power entry filters incorporating commonly used coils result in heat dissipation, large dimensions and higher unit weight. Additionally, the wired components used in such filters do ...

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High-voltage EMI suppression capacitors
21 January 2009, EBV Electrolink
Vishay has announced the release of three new X2 electromagnetic interference (EMI) suppression film capacitors with an increased maximum mains voltage of 310 V a.c. and a wide range of lead pitches and ...

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Electrical protection equipment range
21 January 2009
Legrand’s range of electrical protection equipment includes modular MCBs, MCCBs, trip-free switches, earth leakage modules and specially designed accessories like control, signalling and motor operator ...

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Tiny surge arrester
26 November 2008, Electrocomp
Epcos has developed what it claims is the world’s smallest leaded gas-filled 2-electrode arrester. With a length of 3,5 mm, it has a diameter of just 2,8 mm. The G3 arrester series is available with ...

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