Noise Suppression Tape Bustraid: Easy Cable EMI Countermeasure Just by Wrapping
Tokin Corporation
The tape-type "FLEX SUPPRESSOR" NST/EST series, effective for countering radiation noise from cables, is now newly available!
Our company’s Bus Tread, developed in 1995 as a pioneer in the industry, has received high praise for many years and holds a significant market share. Bus Tread is a thin sheet with excellent noise suppression effects due to its unique microstructure, and it is used as a "simple noise solution that can be applied by just sticking, wrapping, or inserting" for noise countermeasures in various electronic devices. Furthermore, we have focused on its application for EMI countermeasures in various connection cables. In recent years, with the spread of contactless charging, the acceleration of data transmission, and wireless technology, along with the high-density implementation of electronic devices and connection cables, troubles caused by EMI from cables have been on the rise. Traditionally, ferrite cores have been used for these countermeasures, but due to challenges such as space limitations, weight reduction, and design considerations, there is a demand for noise countermeasures that can replace ferrite. In response to this market need, we have added a tape-type Bus Tread, processed into a reel form, to our lineup, making it easier to apply the sheet-based Bus Tread to cables.
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basic information
[NST Specifications (FX5 Type)] Effective Noise Suppression Frequency: 1MHz to 3GHz Flame Resistance: UL94 HB Standard Thickness (mm): 0.05 Standard Width: Available in 5mm or 10mm widths Standard Length (m): 50 (custom lengths are also available) Permeability @3MHz: 150 [EST Specifications (ESTX Type: General Use) (ESTV Type: Automotive Use)] Effective Noise Suppression Frequency: 1MHz to 3GHz Operating Temperature Range (°C): -40 to +105 Flame Resistance: UL94 HB (ESTX) / UL94 V-0 (ESTV) Standard Thickness (mm): 0.05/0.1 Standard Dimensions: W: 9mm x L: 10m (Total Thickness: 0.11mm) Width [mm] x Length (m): W: 19mm x L: 5m (Total Thickness: 0.16mm) (Custom lengths are also available) Permeability @3MHz: 150 (ESTX) / 100 (ESTV)
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Applications/Examples of results
In terms of cable EMI countermeasures, there are significant advantages when there are space constraints and demands for improved design, and it is expected to be deployed in various applications such as charging cables, power cables, interface cables (USB, HDMI, etc.), and audio cables. Furthermore, in recent years, in-vehicle devices that perform advanced and high-speed digital processing, such as infotainment systems, meter clusters, head-up displays (HUD), and center information display (CID) camera applications, often face issues with EMI from connection cables to the ECU. Therefore, it becomes easier to implement EMI countermeasures for connection cables placed in confined spaces within the vehicle, allowing for weight reduction. Noise suppression tape, such as Buster Raid, can be considered a very useful means as an alternative to ferrite cores. Additionally, it is anticipated that not only will cable users utilize noise suppression tape for EMI countermeasures, but cable manufacturers will also develop cables wrapped with noise suppression tape as general-purpose EMI countermeasure products.
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Company information
The origin of Tokin lies in "materials." Currently, human society is evolving towards a global ubiquitous society due to the advancement of information and communication technology. We believe that our mission is to create key devices that drive this innovation by tracing back to the materials. Based on our unique material development capabilities and high-density device manufacturing power, we aim to create devices that govern the flow of society. With this, we hope to contribute, albeit modestly, to the realization of a vibrant society grounded in advanced information and communication technology.
