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LC Filter

Product Info
LC Filter
$16.75 CAD    36.99
Save $20.24 (55%)

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Please note: This item is currently in our Blue Dot Clearance Sale and the special price shown is only valid for the quantity available in any given location, on a first come first serve basis. Returns are not accepted. Back orders will not be accepted at clearance pricing. The quantity shown is approximate only as it does not reflect any quantities that may be in process with other customer orders. We apologize to those customers who may miss out and thank you for your understanding.

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 This is a compact and effective LC filter designed to clean a noisy DC power supply. Perfect for sensitive FPV- and RC-components in a single battery setup. The filter has properties to reduce the effects of interference radiated through the air and noise conducted via the power wires. One advantage of this filter is that both the negative and positive leads are filtered (common mode).

Suitable for setups up to 16V and maximum 1.5A (1500mA) load. The 3-pin input allows for a single bypass-signal. Custom configuration of leads length and connectors are available.

Problems often occur on sensitive FPV video systems when long power leads (15cm+) are used, limited space for wiring, improperly filtered transmitters, noise from speed controller or switch mode DC-DC voltage converter, or most commonly a shared battery is used to minimize weight. The interference can result in video lines, banding, random drop-outs, and reduced transmission range. A low-pass LC-filter will help attenuation most of the high frequency power supply noise and interference.

A common-mode choke coil is used to provide large impedance (resistance) against common-mode current noise picked up by both power leads. It is more effective for noise suppression than conventional ferrite ring and differential-mode inductor setups. This means that noise coming in on both wires will canceled each other out leaving only the regular differential-mode current flowing through the choke.

The large series inductor will give good current noise suppression between the input and output. Low resistance of the coils cause only minimum voltage drop over the filter (<200mV) and the low-ESR capacitor used will ensure efficient ripple voltage (noise) reduction (<120mVpk-pk).

Type: passive common-mode low-pass power ripple filter
Modes: common mode, single mode - jumper selectable
Maximum voltage: 16V DC
Maximum current: ~1.5A
Cutoff frequency at -3dB: 127 Hz (attenuates higher frequencies/noise)
Voltage drop over filter: 180mV at 900mA
Maximum voltage ripple: 120mV
Capacitor: Japanese Polymer Capacitor
Impedance/ESR: 0.012 Ohm at 100kHz/16V
Ripple current: 5000mA rms
Choke: German Common-mode Choke
Series resistance (DC): 0.205 Ohm/path
Wire / trace thickness: twisted 22 AWG / 32 mils
Operating temperature: -40 °C to +105 °C
Dimensions: 37.7 L x 8.8 W x 14.5 H mm
Weight: 8.1 grams (inc. JST connectors)
RoHS compliant
Designed and made in Europe

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