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John Castle at Nolato PPT

John Castle

STANDARD PRODUCTS

High performance shield vents

Our high performance EMI Shielded honeycomb ventilation panels are custom manufactured from steel, brass or stainless steel.

Our high performance EMI Shielded honeycomb ventilation panels are custom manufactured from steel, brass or stainless steel. When selecting the material, corrosion resistance relevant to the application environment should be considered along with the attenuation requirements.

Typical construction styles are shown in drawings VP 1 and VP 2 and other styles are available. Typical attenuation figures for the material types and thickness options are shown down the page. Both rectangular and circular styles are available. Various plating and gasket options are available and should be discussed at the time of ordering. High performance shielded EMC ventilation panels are manufactured to customer specification and a detailed drawing should be supplied.
High performance shielded vent products

Applications

High performance steel, stainless steel and brass vents are designed for demanding applications such as screened rooms, military applications and shelters where high attenuation is required across the frequency range and particularly in the H-field. This range of EMI shielded vents is especially suitable for EMP and TEMPEST applications.
High performance shielded vent products
Find more information, such as our standard sizes etc, in our catalogue.

CATALOGUE

Detailed information

Specifications

Standard cell sizes (opening x depth)

3.2 x 6.4mm 3.2 x 25.4mm 4.8 x 19.2mm
3.2 x 12.7mm 4.8 x 6.4mm 4.8 x 25.4mm
3.2 x 16mm 4.8 x 12.7mm  
3.2 x 19.2mm 4.8 x 16mm  

Performance

Frequency Field Brass 3.2mm Cell 12.7mm thick Brass 3.2mm Cell 25.4mm thick Brass 4.8mm Cell 25.4mm thick Steel 3.2mm Cell 12.7mm thick Steel 3.2mm Cell 25.4mm thick
1KHZ H 13 25 20 16 30
10KHz H 38 80 70 50 85
100KHz H 80 100 95 90 118
1MHz H 105 110 110 110 118
10MHz H 105 110 110 110 118
1KHz E 110 110 110 110 111
10KHz E 115  115 115 115 115
100KHz E 115  120 120 115 120
1MHz E 115 120 120 115 120
10MHz E 115 120 120 115 120
100MHZ P 115  130 130 115 130
400MHz P 115  130 130 115 130
1GHz P 105 120 120 105 120
10GHz 105  120 120 105 120

Frequency Field Steel 4.8mm Cell 25.4mm thick S/Steel 3.2mm Cell 12.7mm thick S/Steel 3.2mm Cell 25.4mm thick S/Steel 4.8mm Cell 12.7mm thick
1KHZ H 29 16 30 29
10KHz H 72 50 85 72
100KHz H 108 90 118 108
1MHz H 115 110 118 108
10MHz H 115 110 118 115
1KHz E 111 110 111 111

10KHz

E 115 115 115 115
100KHz E 120 115 115 120
1MHz E 120 115 115 120
10MHz E 120 115 115 120
100MHZ P 130 115 115 130
400MHz P 130 115 115 130
1GHz P 120 105 105 120
10GHz 120 105 105 120

Tolerances

Overall dimensions +/- 0.8mm
Fixing holes/fasteners +/- 0.5mm
   with jigs +/- 0.2mm

How to order

Produced to customer drawings.

Example / Notes

Note:
Performance will be affected by the type of mounting used.
Figures based on 300mm x 300mm test pieces.
Can't see what you're looking for?
Many of our clients require bespoke made products. If you'd like to discuss a product, please do give us a call and speak to us about your requirements.
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Downloads

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Material data sheets

These documents contain information on the potential hazards (health, fire, reactivity and environmental) and how to work safely with the chemical product.

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Application notes

These mini-guides have been designed to help give a quick overview of the product families, their main advantages, usual applications and points to consider during the design stages of a project.

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Product catalogues

Learn more about our extensive range of products.