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Introducing the Innovative MOV and GDT Hybrid Overvoltage Protection Devices from Bourns, samples available from Anglia
Bourns® breakthrough GMOV™ component combines a Metal Oxide Varistor (MOV) and a Gas Discharge Tube (GDT) with their patented space-saving FLAT® technology. This new hybrid product provides a compact form factor that is a drop-in replacement for a standard 14mm or 20mm disc size MOV.
The GMOV™ component is designed to be an enhanced protection solution that minimizes degradation and catastrophic failure issues that can occur with discrete MOVs when they are subjected to transient surges and temporary overvoltage conditions exceeding maximum rated values.
Equivalent Circuit
The “on-call but not on-duty" isolation of the MOV from line voltage by the GDT effectively shields the MOV from transients and temporary overvoltage spikes that typically damage the MOV over time. This is achieved effectively in the GMOV™ component where the GDT isolates the MOV from the circuit until such time as the voltage exceeds the turn-on voltage of the GDT.
The integrated GDT isolates the MOV from line voltage and smaller transients, which over time would damage the MOV resulting in premature failure. Current leakage from the device is also eliminated by the series GDT and mitigates damage of the MOV due to watt loss heating.
GMOV™ Construction
Whilst Disc MOVs remain a popular solution for AC and DC protection, currently designers need to use extra discrete components for additional protection against unstable electrical service. In many cases, the discrete component solutions are not tested and proven to work together like the GMOV™ component.
View an introduction video on the Bourns® GMOV™ products
The Bourns GMOV™ Hybrid Overvoltage Protection Devices can replace traditional varistor (MOV) products in a wide range of applications including lighting ballasts, surge protective devices (SPDs), surge strips, switch board apparatus, chargers, solar, data line communications, low/medium risk medical devices, power supplies, LED lighting and control systems and any other products powered by AC or rectified DC that require overvoltage protection.
Key Features
- Hybrid design using Bourns® patented FLAT® technology
- Compact form factor
- Available in 14mm & 20mm sizes, drop-in replacement for standard MOV
- Matched MOV-GDT pairings
- Eliminates need for thermally protected MOV
- Lower capacitance
- Low leakage over life (<0.1 μA)
- Zero standby energy consumption
- GDT isolates MOV from AC line voltage above its MCOV rating
- Meets UL ring wave requirements
- UL 1449 4th edition Type-5 component
Click here for more information or to buy from Anglia Live.
Click here to download Bourns GMOV Datasheet
Click here to download Bourns GMOV Short Form Brochure
Click here to download Bourns GMOV White Paper
Anglia are offering customers FREE samples of the GMOV™ Hybrid Overvoltage Protection Devices from Bourns, please fill in the form below to register for your FREE samples now.
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To register for FREE samples of the GMOV™Hybrid Overvoltage Protection Devices from Bourns, please fill in the form below
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Free samples are subject to availability.
For more information, or details on the full range of Bourns products available from Anglia, please email info@anglia.com
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This news article was originally published in January 2022.
