buffer capacitor

buffer capacitor

[′bəf·ər kə′pas·əd·ər]
(electronics)
A capacitor connected across the secondary of a vibrator transformer or between the anode and cathode of a cold-cathode rectifier tube to suppress voltage surges that might otherwise damage other parts in the circuit.
References in periodicals archive ?
This conversion takes energy from the buffer capacitor and decouples the load from the battery (Figure 2).
The low power design of the device ensures a current consumption of less than 1 microamp, meaning that the energy stored in a 10mF buffer capacitor is sufficient to measure elapsed time for power failures with durations of up to five hours.