Garage Door Opener RFI Kit

FB153-43 - 1/2" OVAL ID/12.95mm, RFI Range 25-300 MHz

SKU FB153-43
$4.95
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FB153-43 - 1/2" OVAL ID/12.95mm, RFI Range 25-300 MHz
Product Details
MPN: FB153-43
Initial Permeability (@ 10KHz): 850
Material: NiZn
Max cable size - in/mm: .5/12.6
OD (A) - in/mm: 1.53"/38.5MM
ID (B) - in/mm: 1.03" by .51" OVAL
Length (C) - in/mm: 1.126"/28.6
Z (ohms per bead - single turn 10 MHz): 71
Z (ohms per bead - single turn 25 MHz): 102
Z (ohms per bead - single turn 100 MHz): 152
Z ohms (per bead - single turn 250 MHz): 213
Case/Box lot size: 108

Ferrite Slip On Bead,Oval ID = .505in/12.95mm, Mix 43, 1 piece, 108 per case - make excellent bead baluns/chokes

Oval core make better chokes than circular core - approximately 7 turns RG400/core

Christmas lights or yard lights with switching DC power supplies are often the RFI source and a clamp on ferrite bead on the AC AND the DC side feeding the lights is needed to help suppress the switching power supply RFI noise.  Suitable snap on beads are FSB31-1/2 for the 1-250 MHz range.

We have also had reported wireless HDTV boxes, and FOSCAM and AMCREST security camera systems causing RFI to garage door remote openers. Use our Garage Door Opener RFI kit to suppress the interference to the opener (VICTIM) – you need one kit for each opener.  Maximize the distance from the camera to the openers may also help.  Additionally shield cable to the garage door sensors may be needed depending on severity of the camera RFI.

Obvious Tech Note: make sure your remote batteries have enough energy to activate the GDO or the signal they transmit may not be large enough to over ride the RFI signal, but a fresh battery may be able to overcome the weak RFI source and allow the GDO to operate correctly.