Spira Shielded Honeycomb Fan Filters
View Datasheet in pdf format

 

Spira’s Shielded Fan Filters provide a high and reliable level of shielding at very cost effective and competitive prices. They include the “Spira Advantage”, using our patented honeycomb blending process and patented spiral Flexi-Shield gasket to provide exceptional EMI shielding and EM bond. See below for ordering information. Also see our Shielded Air Vent Honeycomb Filters.

Filter Sizes
Spira’s Fan Filters are compatible with 40, 60, 80, 92 and 120mm fans or can be made in custom sizes on request.

Cell Size:
The filters use 1/8” cell by 1/4” or 1/2” thick aluminum honeycomb panels.

Frame:
The frame is made from chem-film plated 6061-T4 aluminum.

Spiral Material :
The filters include a Flexi-Shield tin/lead plated beryllium copper gasket in standard force. RoHS compliant version is available on request. The die-cut is commercial grade neoprene sponge.

Salt-Fog Option:
A salt-fog version is available on request, and includes our Flexi-Shield edge tin/lead plated beryllium copper gasket. The honeycomb panel and frame are chem-film plated (or can be tin plated on request). RoHS compliant version is available on request.

Shielding Effectiveness:
This graph illustrates that with the “Spira Advantage” our Fan Filters can provide up to 80dB of shielding at 1GHz!


Honeycomb Fan Filter.



Ordering Information

To order, please specify the Spira part number as shown in the table below, or for custom sizes, please send us a drawing that specifies the following information:

  • Size of filter: length and width

If you require something other than our standard configurations, contact us with your requirements. RoHS compliant versions are available on request.

 

Fan Filter
Part Number
Fan Size
A
±.030
B
±.010
C
±.015
D
±.015
E
±.010
F
±.020
G*
±.020
HF-40mm-25
40mm
1.71
1.260
1.38
.150
.265
.319
.345
HF-40mm-50
40mm
1.71
1.260
1.38
.150
.265
.569
.595
HF-60mm-25
60mm
2.50
1.970
2.17
.170
.265
.319
.345
HF-60mm-50
60mm
2.50
1.970
2.17
.170
.265
.569
.595
HF-80mm-25
80mm
3.34
2.810
3.01
.170
.265
.319
.345
HF-80mm-50
80mm
3.34
2.810
3.01
.170
.265
.569
.595
HF-92mm-25
92mm
3.78
3.250
3.45
.170
.265
.319
.345
HF-92mm-50
92mm
3.78
3.250
3.45
.170
.265
.569
.595
HF-120mm-25
120mm
4.82
4.125
4.50
.170
.348
.319
.345
HF-120mm-50
120mm
4.82
4.125
4.50
.170
.348
.569
.595

Spira Shielded Fan Filters

* Please note that dimension G is for reference only.


View Fan Filter Datasheet in pdf format.
Also see our Shielded Air Vent Honeycomb Filters.