Shielded Fan Ventilation Panels

Series No. 3000

MAJR Products’ EMI shielded fan ventilation products(shielded fan vents) are manufactured to meet the commercial market’s requirements for a low-cost, high-quality EMI fan vent panel. These small fan sized shielded waveguides are available in five standard sizes using a 0.250” thick honeycomb material and have an overall thickness with gasket of 0.407”. Standard gasket is a Monel wire embedded in a solid silicone with an optional gasket of a beryllium copper fingerstock. Tin plate (MIL-T-10727), nickel plate (MIL-C-26074A) or a RoHS compliant plating are available upon request.

Overview

Fan Ventilation Panels are manufactured to meet the commercial market’s requirements for a low-cost, high-quality electromagnetic/radio frequency shielded ventilation panel. These units are available in five standard sizes using a 0.250″ thick honeycomb material and have an overall thickness with gasket of 0.407″.

Custom Product

Technical Information

Table 1 – Product Identification

Dimensions Overall Dimensions (mm) Part Numbers
1.57” x 1.57” 40mm x 40mm 3031-04040-xx
1.97” x 1.97” 50mm x 50mm 3031-05050-xx
2.36” x 2.36” 60mm x 60mm 3031-06060-xx
3.15” x 3.15” 80mm x 80mm 3031-08080-xx
4.72” x 4.72” 120mm x 120mm 3031-12012-xx

Finish & plating options:

(Replace -xx with the following)

  • for a chromate finish use -32
  • for tin-plated panel, use -42
  • for electroless nickel -49
  • for a filter media -57
  • for RoHS compliant -90

Design Data:

Shielding effectiveness is in the 50-60 dB range at 1 GHz, depending on the gasket material used. Standard lead times for MAJR’s EMI fan vents is in the two- to three-week range for most sizes, with quicker deliveries available based on plating and quantities required.

Other sizes available upon request. Contact us today.

Product Data Sheet

Product Options

(Replace -xx with the following)

  • for a chromate finish use -32
  • for tin-plated panel, use -42
  • for electroless nickel -49
  • for a filter media -57
  • for RoHS compliant -90