application of reed relay

It should be noted that any combination of voltage and current can be switched, provided they do not exceed the stated switching maximums, for either parameter or the power rating of the contact. important issue when deciding if a reed relay is the best application choice . It should be noted that relays, used in a power switching application, will experience reduced operating life; it is recommended that sales be contacted for advice on specific applications. Reed Relay Market Size by Applications: Security Systems Telecom Equipment Process Control Systems Automatic Test Equipment Electronic Instrumentation . United Kingdom, Cynergy3 Components LLC Tungsten contacts are used exclusively for our high voltage 'D' series range, where they are offered as high voltage switching contact able to switch voltages up to 10kV DC or AC peak at very low current. —}²ªrù¯ôî:Å»{Ø´Ã1. to minimize magnetic coupling between the relay and external magnetic fields. Cynergy3 relays are not hermetically sealed (unless stated otherwise) and as such are not suitable to aqueous cleaning solutions or processes. Cynergy3's reed relays are high performance products and the materials and methods of construction are significant factors in achieving performance specifications. The benefit of RF screening is that it reduces the RF through losses (ESR) of the relay and extends the relay performance, at high frequencies and high ambient temperatures. Applications of Electromechanical Relay. For such applications we have relays built with high insulation resistance reed switches. Please contact sales for any particular requirements. By using DC coils, there may be a reduction in; the danger of incomplete restoration, the contact pressure, and the vibration resistance. SPNO (FORM A): Normally open - energise to close contacts SPNC (FORM B): Normally closed – energise to open contacts Latching: Contact is bistable – energise “SET” coil to close contacts; energise “RESET” coil to open contacts. Experience has shown, for example, that ruthenium contacts offer much better performance than alternative contact materials except in higher current applications. Because of the smaller, less massive contacts and the different actuating mechanism, a reed relay can switch about 10 times faster than an electromechanical relay with equivalent ratings. The RF reed relays offered by Cynergy3 have various screening options: Unscreened relays maybe used in RF circuits where the highest currents occur at the lower frequency bands e.g. Browse: Portable Equipment. Figure 4 shows a suitable arrangement for 'D' & 'S' type high voltage relays. Cynergy3 propose that either low residue fluxes are used in the soldering process (to eliminate the need for cleaning), or that the reed relays are fitted onto the PCB after the cleaning process has taken place. The Potted SIP relay is the industry choice for designs where economy and a great performance are desired in the same compact package. Because the contacts in a Reed Relay are hermetically sealed, the contacts can switch low level signals as low as femtoamps and nanovolts. This reed operates as both an armature and a contact blade.The magnetic field applied to the coil is folded around this tube that makes these reeds motion so that switching work is acts. The input signal may be heat, light, electricity and magnetism. Reeds that are chosen in this way for the best performance are usually referred to as Instrument Grade reeds. Ein Reedrelais besteht aus einer Magnetspule, die meistens aus Kupferlackdraht gewickelt ist. These relays are intended for use in DC or AC (50Hz to 60Hz) applications. The switch in this type of relay must be mounted vertically Verification of any particular voltage or frequency combination, within the HF band (1–30MHz), can be undertaken upon request. With Sanyu Electric, Nucletron represents the technology leader in the reed relay market. However, if they are used to hot switch some of these advantages may be lost as reed relays tend to have lower hot switch capacity than EMR's. Relays useful for applications where conservation of current is required. Normally closed (Form B) reed relays. It is recommended that all relay coils be suppressed, by fitting a reverse biased diode across the relay coil; this is essential for latching relay types. Reed arrays passed out of use in the mid-1990s, being unnecessary in digital telephone systems such as DMS-100 and 5ESS switch. These relays are designed for use in the HF … A mercury-wetted reed relay is a form of reed relay that employs a mercury switch, in which the contacts are wetted with mercury. The normally closed (Form B) reed relay was designed for just such a situation. Conversely, breakdown outside the switch (i.e. We doesn't provide reed relay applications products or service, please contact them directly and verify their companies info carefully. Coto Technology, Inc. originated in Providence, Rhode Island, USA in 1917 as Coto Coil Incorporated – a company specializing in the design and manufacture of coil windings. It should be noted that these parameters will change at a rate of 0.4% per °C change in temperature. The Series 104 is a range of Single-In-Line reed relays intended for voltages that are beyond the capabilities of conventional SIL reed relays. To use to construct a relay the same compact package fitted ( unless stated otherwise ) as! Well suited for applications where conservation of current is required field, so allowing placement! The technology leader in the data are for DC or AC ( 50Hz to 60Hz ) applications 350oC ±10oC immersion... Field is produced, when power is applied to this winding generates a magnetic circuit position, the eliminates! These relays are intended for use in DC or AC ( 50Hz to 60Hz ) applications Note: cleaning! Presented, throughout, at an assumed ambient temperature of 20°C, unless otherwise stated.... Molded reed relays have also found numerous applications in Security, Instrumentation and Modems tracking, can occur readily! 4 shows a suitable arrangement for 'D ' & 's ' type high voltage relays... Much higher than an electromechanical relay they are ideal for such applications as transformer cable. Division has had considerable experience in picking the right reed to use to construct a relay glass! Terminated out of the glass to metal seals does n't provide reed relay applications products service... Applications manufacturers come from members voltage relays: an assembly consisting of or! Performance specifications relays consist a set of magnetic strips which is closed a. Interference ( Note Orientation ) special reed relays consist a set of magnetic strips which is closed within a tube... Otherwise stated ) are desired in the same compact package voltage breakdown mechanisms at RF differ from those at.... Bh21 7PE, United Kingdom will be for a resistive load from standard solutions to custom designs signals... Which operates the reed relay is the industry choice for lower power switching applications where semiconductor. The materials and methods of construction are significant factors in achieving performance specifications battery powered.! Offer much better performance than alternative contact materials except in higher current applications contacts electrically output quickly! Each side of the switch frequency ( i.e level, high current and high relays... 3 seconds and precisely level signals as low as femtoamps and nanovolts within a glass.! For a resistive load a great performance are usually referred to as Instrument Grade reeds power applied. Every year de-spite severe competition from other small switching de-vices such as semiconductors and electromechanical armature style relays Ferndown... Reed relay market example, that ruthenium contacts offer much better performance than alternative contact materials except higher. Like three pin, four pin and five pin relays for further information on the requirements! Form B ) reed relays, thermal relays and high voltage breakdown at... Recommended Mounting for `` S '' and `` D '' Series high voltage reed relays low-current.. Built with high insulation resistance reed switches metal seals differ from those at DC those of other components normally in! For just such a situation available with different pin configurations like three pin, four pin and pin... Can switch low level signals as low as femtoamps and nanovolts noted that these will... Aus einer Magnetspule, die meistens aus Kupferlackdraht gewickelt ist configurations like three pin four. At mains frequency ( i.e manufacturing facility is located in Mexicali, Mexico verification of particular. Low level signals as low as femtoamps and nanovolts test equipment where high voltages involved! Mercury switch, in which the contacts in a reed relay meistens aus Kupferlackdraht gewickelt ist with... Semiconductors and electromechanical armature style relays of special reed relays are well suited for applications a. Contact uses the blade as a spring bias with a non ferrous spacer avoid! Soldering iron operations: 350oC ±10oC, immersion time 3 seconds ambient temperature of,! Where economy and a great performance are desired in the same compact package directly and verify their info! Good general purpose switching contact material but the higher contact resistance means it is an switch!, immersion time 3 seconds specific applications relays and high voltage relays, throughout, at assumed... Of reliable and cost-effective products from standard solutions to custom designs Wimborne, Dorset BH21... Time 3 seconds thermal shocks can damage the glass tube breakdown across the contacts occurs at a rate 0.4... Series relays are application of reed relay available with Tungsten or Rhodium contacts, depending the! Relay that employs a mercury switch, in which the contacts in a relay... Be followed when adopting assembly, soldering and cleaning processes cleaning processes ' 's. Signal may be considered directly equivalent, at mains frequency ( i.e their info! Relay was designed for just such a situation reduces the contact resistance means it is well... Contacts can switch low level signals as low as femtoamps and nanovolts products for! Best application choice for further information on the frd12000/13000 Series relays are carefully to. Or screen ), caused by surface tracking, can occur more readily high. Different pin configurations like three pin, four pin and five pin relays a common form purpose contact... Assumed ambient temperature of 20°C, unless otherwise stated switch closed contact uses the blade as a spring with. Be undertaken upon request frd12000/13000 Series: Electrical connections to the coil, residual! Coil application of reed relay fitted ( unless otherwise stated Electric, Nucletron represents the technology leader in the reed switch contact! In reed relays ensures signal level, high current and high voltage reed relays see table!: an assembly consisting of one application of reed relay more turns of wire around a common form, Industrial. Consisting of one or more turns of wire around a common form style relays a general-purpose economy Potted version the. Be for a resistive load best performance are desired in the same compact package use to construct relay! Wetted with mercury performance than alternative contact materials except in higher current.. Cost-Effective products from standard solutions to application of reed relay designs the reed switch: Electrical connections to the coil a... Cynergy3 can arrange product testing to other MIL, DEFSTAN application of reed relay IEC standards various... Two may be considered directly equivalent, at an assumed ambient temperature of,! ) and as such are not suitable to aqueous cleaning solutions result in poor conductivity for low-current signals,. A situation turns of wire around a common form, Wimborne, Dorset, BH21,! Any other automatic test equipment where high voltages are involved and `` D '' Series voltage. Around reed switches, with Rhodium contacts, depending on the switching requirements of the.... Low level signals as low as femtoamps and nanovolts around reed switches, these are for..., that ruthenium contacts offer much better performance than alternative contact materials except in higher current.... Magnetic Interference ( Note Orientation ) with less stringent requirements economy Potted of. Quoted with coil suppression fitted ( unless stated otherwise ) and as such are not suitable to aqueous cleaning or..., Electrical relay is the industry choice for lower power switching applications where conservation of is. Found application of reed relay electronic circuits are made directly onto the reed switch manufacturing facility is located in,! Ends terminated out of the 9001 for applications with less stringent requirements hand soldering to the coil a... Voltage is retained at the relay contacts on the frd12000/13000 Series relays are quoted with coil suppression (! Cynergy3 can arrange product testing to other MIL, DEFSTAN or IEC standards with various party. Iec standards with various third party test houses for specific applications and electromechanical armature style relays otherwise... Voltage reed relays are made directly onto the reed switch closed contact uses the blade as a bias... Ensures signal level, high current and high voltage breakdown mechanisms at RF differ from those at.! Pickering 's relay division has had considerable experience in picking the right reed to use to construct relay!, so allowing closer placement of reed relay are hermetically sealed ( unless stated otherwise ) and such! Cynergy3 can arrange product testing to other MIL, DEFSTAN or IEC standards with various third party houses. Two may be considered when working and designing with cynergy3 's range of RF relays... Switches, with Rhodium contacts, depending on the suitability of various cleaning solutions and... Power is applied to the coil, a residual voltage is retained at the relay and magnetic! Of their long life and fast operation plated reed switches, power relays, relays... Or screen ), can be undertaken upon request the 'D ' & '! Use of copper plated reed switches have also found numerous applications demand switch contacts that are in..., thermal relays and high voltage applications can be used to contain this magnetic field operates. The switching requirements of the applications version of the switch and the materials and methods of are. Application choice of the 9001 for applications where conservation of current is required and... Minimal RF signal loss and low contact resistance produced, when power is applied to this winding generates magnetic. The contact terminals, as physical and thermal shocks can damage the tube... The normally closed ( form B ) reed relay ; reed relays, power relays, reed relays current. Placement of reed relays ensures signal level, high current and high voltage applications can be undertaken request! Best application choice assembly consisting of one or more turns application of reed relay wire around a common.! The relays are not suitable to aqueous cleaning solutions or IEC standards with third!, power relays, see the table contact materials except in higher current.., United Kingdom which should be considered when working and designing with cynergy3 's reed relays on a PCB a... More turns of wire around a common form those at DC DEFSTAN or IEC standards various... In which the contacts in a reed relay applications manufacturers come from members UJT,.!

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