JIS C 5101-14:1998

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This standard is a sectional specification associated with the generic specification JIS C 5101-1, and applies to fixed capacitors and resistor-capacitor combinations for electromagnetic interference suppression (formerly called radio interference suppression or noise suppression) for use within, or associated with, electronic or electrical apparatus and machines where the capacitors will be connected to a supply mains with a voltage not exceeding 500 V d.c. or 500 V a.c. (r.m.s.) between conductors or 250 V d.c. or 250 V a.c. (r.m.s.) between any one conductor and earth and with a frequency not exceeding 100 Hz. This standard prescribes tests which are appropriate when the suppression capacitor is to be connected to the supply mains. The relevant equipment specification may also prescribe other circuit positions where capacitors meeting the requirements of this specification shall be used. Combinations of two or more capacitors within one enclosure are included within the scope of this standard. Series resistor-capacitor combinations are within the scope of this standard provided that the resistor is in the same enclosure, and　the resultant equivalent series resistance of the combination does not exceed 1 kohm. Parallel resistor-capacitor combinations where the resistor acts as a discharge resistor for the capacitor are within the scope of this standard. Capacitors for special environmental conditions (e.g. drip-proof, splash-proof) may have to comply with additional requirements.