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ballast resistor

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Noun1.ballast resistor - a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
barretter, ballast
resistor, resistance - an electrical device that resists the flow of electrical current
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The drivers are suitable for a broad range of high-brightness, general illumination applications, including signage, architectural, emergency lighting and MR16 lamp replacement, ensuring uniform LED brightness as well as eliminate the need for ballast resistors.
Diodes Incorporated Introduces LED Driver Family by Business Wire
The SiP12401 boost controller IC uses double-cell NiMH or alkaline and Li-ion batteries to drive white LEDs connected in series for uniformly bright backlighting without the need for ballast resistors.
New Vishay Siliconix ICs Drive White LEDs with High Efficiency up to ... by Business Wire
It provides a solution to drive LEDs in parallel, using ballast resistors to set the current, in LCD backlighting and color indicator applications.
Catalyst Announces Low Noise, Controlled Inrush Current Regulated ... by Business Wire
 
 
 
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