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Award winning IsoMOV Protectors from Bourns offer high reliability and long life - samples available from Anglia
Bourns have launched a groundbreaking line-up of IsoMOV™ hybrid protection components. These devices combine the best features of the breakthrough surge performance EdgMOV™ technology with an integrated Gas Discharge Tube (GDT) isolation structure. Named IsoMOV™ these protectors offer high reliability and long life in certain harsh environments. This innovative product was named ‘Product of the Year 2021’ by Electronic Products magazine in the passive’s product category.
The IsoMOV™ protector utilises a unique construction which fully integrates the classic GDT and MOV in a symbiotic relationship, Fig.1, enhancing reliability and performance. In this configuration, the GDT blocks leakage currents through the MOV that would otherwise lead to premature failure of the MOV device, while the MOV prevents the follow-on current (after a surge) that might damage the GDT.
Figure 1. Unique Construction
Using proprietary computer-aided design techniques to model performance, Bourns engineers created the equivalent function of a discrete MOV and GDT in series. After assembly of the core, leads are attached, and the unit is epoxy coated. The result is a familiar radial disc MOV package that is only slightly thicker but has a substantially smaller diameter than similarly rated conventional devices.
The surge ratings of IsoMOV™ protectors are typically comparable to the surge ratings of the next larger size of conventional MOV devices. This offers designers the flexibility of choosing an IsoMOV™ protector that is a smaller diameter than the MOV option or choosing an IsoMOV™ protector of the same size as the MOV option and enhancing the surge capability of their protection scheme.
The IsoMOV™ Hybrid Protector Series offers an upgrade to nearly any MOV power application where premium performance and/or space savings are needed. The extended temperature range, low leakage and superb energy handling density are especially advantageous to industrial and other applications exposed to high surges. The IsoMOV™ device's unique and graceful end-of-life failure mode quickly and cleanly blows the line fuse, never leaving equipment unprotected and eliminating the need for any indicator circuitry.
Click below for an introduction to the IsoMOV™ Hybrid Protector
The IsoMOV™ protector family of products includes three unique series of devices: Model IsoM3, IsoM5 and IsoM8. With nominal surge ratings of 3 kA, 5 kA and 8 kA, these revolutionary new protectors offer performance usually found in larger traditional MOV devices.
Bourns has produced a series of white papers around circuit protection utilising IsoMOV™ Hybrid Protectors and other protection devices available from their portfolio. These white papers can be accessed via the links below.
White Paper - Overcoming MOV Surge Life and Temporary Overvoltage Tolerance Issues
White Paper - Satisfy challenging MOV requirements to meet UL/IEC 62368-1 product safety
White Paper - Designing Effective Circuit Protection for RS-485 and RS-422 Applications
White Paper - Selecting the Right Surge Protection for AC and DC Powered Systems
White Paper - Effective Transient Protection for 3-Phase Delta or Wye Configuration AC Systems
Key Features & Benefits
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* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Click here for more information or to buy from Anglia Live.
Click here to download the IsoMOV™ series datasheet
““IsoMOV” and “EdgMOV” are trademarks of Bourns, Inc”
Anglia are offering customers FREE samples of the IsoMOV™ Hybrid Protectors from Bourns, please fill in the form below to register now.
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To register for FREE samples of the IsoMOV™ Hybrid Protectors from Bourns, please fill in the form below.
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FREE samples for UK and Ireland customers only, 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 November 2022.
