Circuit & System Protection


Latest Articles

Metal oxide varistors
7 April 2004, Electrocomp
Supprescraft has specifically developed metal oxide varistors to meet the requirements of TRMSCAAP 2 Rev 2:1994 'Specification for indoor arresters for protection of electricity dispensers'. These varistors ...

Read more...
Telecom Circuit Protection Selection Guide
7 April 2004, Technical Literature
Bourns guide is divided into three sections encompassing multifuse resettable fuses, TISP thyristor surge protectors, gas discharge tubes, surge line protection modules and Telefuse Telecom fuse product ...

Read more...
Four EMI filters on one chip
24 March 2004
EMI filtering of general and high speed signal lines is now easy says Murata, with its BLA2AA range of four element arrays of ferrite bead inductors that are 2 mm by 1 mm and only 0,5 mm high. Impedance ...

Read more...
'Brute force' panel protection
24 March 2004
Where brute force protection is required, Citel says that its economical M160 Series AC surge protector can be used. This low profile device provides protection for all critical modes and is housed in ...

Read more...
Resettable PTC protectors now smaller
24 March 2004, Altron Arrow
Littelfuse's new series of surface mount positive temperature coefficient (PTC) resettable circuit protection devices, the 1206 Series, is one-third the size of the 1812L series, previously its smallest ...

Read more...
Block filters for single-phase applications up to 50 A
24 March 2004, Retron, Products & Solutions
Schurter has extended its filtered power entry module range with single-phase block filters. With this extension it supports customer requirements for power supplies from 0,5 up to 50 A at 250 V and provides ...

Read more...
Surge voltage protection remote I/O with surge voltage protection
24 March 2004, Phoenix Contact
Many signal transmissions are designed as EEx ia current circuits. The Termitrab TT-EX(I)-24DC protection devices as well as the modular terminal blocks for such areas have blue housings. With powerful ...

Read more...
PPTC thermistors for power over Ethernet
24 March 2004
In September 2003, the IEEE published the IEEE 802.3AF standard that defines the specifications to deliver power over standard Ethernet cables. The Power over Ethernet (PoE) standard has facilitated the ...

Read more...
High density T1/E1 modules
24 March 2004, ASIC Design Services
HALO's new SIP Tele-Pro series of high density T1/E1 modules have been designed to provide the network engineer a complete UL/EN60950 recognised solution meeting the requirements of GR1089 for lightning ...

Read more...
High temperature machine screw insulators protect transistors and discretes
24 March 2004, Vepac Electronics, Products & Solutions
Designed to protect popular transistors and discretes, Bivar offers three different styles of shoulder insulators made from a UL rated 40% glass-filled polyphenylene sulfide (PPS). The insulators provide ...

Read more...
Low capacitance thyristor surge protection device
24 March 2004, News & Events
Pan Jit enables faster data transmission speeds by offering a family of thyristor surge protective devices (TSPD) with very low typical capacitance values. Protection is critical to avoid latch-up or ...

Read more...
3-phase voltage monitor relay
24 March 2004
Citels' VM230/TRI is designed to continuously control a 3-phase 230/400 V network in order to detect any kind of AC failures that may disturb or destroy sensitive equipment. Some of these are overvoltages, ...

Read more...
Reliable and safe - protection components: Part II
24 March 2004, Electrocomp
Protection of electronic equipment against failure is a critical market demand and an obligation to consumers at the same time. Taking years of experience, competence and innovation to always offer reliable ...

Read more...
SMD thermistors claimed smallest
24 March 2004, Access Control & Identity Management
Murata claims its Posistors are the smallest in the world at 0603 size. For over-current prevention and overheat sensing, these positive-going thermistors offer a very rapid resistance increase when the ...

Read more...
1 GHZ noise filter
24 March 2004
A new 0603-sized chip ferrite bead from Murata has high impedance from 300 MHz to several GHz and much reduced DC resistance, making it ideal for suppressing noise well into the GHz band. With DC resistance ...

Read more...
EMC block filters
10 March 2004, Retron, Security Services & Risk Management, Retail (Industry)
Schurter's new line of block filters offers a complete range of 1-phase units with a wide range of current ratings: 5-30 A at 125/250 V a.c., 50-60 Hz. These filters are generally designed to perform ...

Read more...
Reliable and safe - protection components: Part I
10 March 2004, Electrocomp, Surveillance, Products & Solutions
Every year, electrical and electronic equipment suffers billions of dollars worth of damage as a result of inadequate protection. The greatest dangers are excessive voltage, current and temperature. Their ...

Read more...
Temperature detector protects circuits
25 February 2004, Actum
Limitor's temperature detector P can be used wherever protection against overtemperature is required. Specific applications include: protection of primary windings in transfomers, winding protection in ...

Read more...
Low capacitance suppressors for high speed data lines
25 February 2004, Tempe Technologies, Asset Management, Commercial (Industry)
The 0603ESDA electrostatic discharge (ESD) suppressor from Cooper Bussmann, using its SurgX polymer technology, helps protect sensitive electronic devices, data lines and personal computers from extensive ...

Read more...
Surge voltage protection for LAN interfaces with increased performance requirements
25 February 2004, Phoenix Contact, Infrastructure
The Datatrab D-LAN-CAT.5E surge voltage protector from Phoenix Contact is a surge voltage protection device designed for the interfaces of important data transfer systems such as Ethernet, Token Ring ...

Read more...



<< First   < Previous   Page 45 of 54   Next >   Last >>







While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved