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A charge-off or chargeoff is a declaration by a creditor (usually a credit card account) that an amount of debt is unlikely to be collected. This occurs when a consumer becomes severely delinquent on a debt. Traditionally, creditors make this declaration at the point of six months without payment. A charge-off is a form of write-off.
A charge-off is a debt that has gone unpaid for a sufficient amount of time and is deemed uncollectible by the creditor. Charge-offs do not erase your debt, and you are still responsible for ...
Cone discharge, also called bulking brush discharge, occurs over surfaces of charged powders with resistance above 10 10 ohms, or also deep through the powder mass. Cone discharges are not usually observed in dust volumes below 1 m 3. The energy involved depends on the grain size of the powder and the charge magnitude, and can reach up to 20 mJ.
A charged device model (CDM) test is used to define the ESD a device can withstand when the device itself has an electrostatic charge and discharges due to metal contact. This discharge type is the most common type of ESD in electronic devices and causes most of the ESD damages in their manufacturing. CDM discharge depends mainly on parasitic ...
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Once the gap breaks down, current flow is limited by the available charge (for an electrostatic discharge) or by the impedance of the external power supply. If the power supply continues to supply current, the spark will evolve into a continuous discharge called an electric arc. An electric spark can also occur within insulating liquids or ...
Charge current needs to match the ability of the battery to absorb the energy. Using too great a charge current on a small battery can lead to boiling and venting of the electrolyte. In this image a VRLA battery case has ballooned due to the high gas pressure developed during overcharge.
The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...