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FIGURE 3: The FB series filters are ideal for most street lighting applications. The EMI filter should be placed as close as possible to the
ballast or driver to prevent RF from traveling down the conductors and acting as an antenna. (Source: TE Connectivity)
The FB series of EMI filters from TE provides the
ideal solution for street lighting issues. This series is
approved at 277VAC, which fits into most lighting
applications. TE has also obtained UL recognition,
along with a UL listing. The FB series also supports
solid copper leads, which the lighting industry
prefers. Nearly all EMI filters are approved to only
250VAC, making the TE product an immediate
solution for lighting customers. The EMI filter should
get positioned as close to the ballast or driver as
possible (Figure 3). This helps eliminate RF from
traveling down the conductors and acting as a
transmitting antenna.
Conclusion
Although the addition of an EMI filter
adds cost to the initial overall LED
street lighting design, it helps to avoid
potential complaints from residents
or other users of street lighting that
experience interference due to EMI.
A complex and costly analysis of the
source of the EMI interference can be
avoided with this upfront protection. ■
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Lumileds LUXEON®
3030 2D LEDs
