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)ballast resistor - a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
resistor, resistance - an electrical device that resists the flow of electrical current
References in periodicals archive ?
In the device, the air discharged D with the ballast resistor Rintegral are connected in series.
A corresponding increase of the voltage drop over the ballast resistor results in an increase of the driving current and in a small increase of the flux generated (Fig.
My PCS telephone," says Lumley, "doesn't even have a transformer - it just has a big ballast resistor, a couple of diodes, and a capacitor.
A 5 [ohms], thin-film, ballast resistor is placed in series with each emitter finger to minimize the possibility of device burnout due to current hogging.
The current in each LED is set by a resistor connected to it in series, which is also called a ballast resistor.
Typically, a production headache ensues wherein each new batch of LEDs needs to be characterized and a different ballast resistor value chosen.