Reference Specification DHR Series High Voltage Lead Type Disc Ceramic Capacitors for General Purpose Product specifications in this catalog are as of Feb. 2021, and are subject to change or obsolescence without notice. Please consult the approval sheet before ordering.Please read rating and Cautions first.Reference only CAUTION 1.OPERATING VOLTAGE When DC- rated capacitors are to be used in AC or ripple current circuits, be sure to maintain the Vp-p value of the applied voltage or the Vo-p which contains DC bias within the rated voltage range. When the voltage is started to apply to the circuit or it is stopped applying, the irregular voltage may be generated for a transit period because of resonance or switching. Be sure to use a capacitor within rated voltage containing these irregular voltage. Voltage DC Voltage DC+AC Voltage AC Voltage Pulse Voltage(1) Pulse Voltage(2) Positional Measurement Vp-p Vo-p Vp-p Vp-p Vo-p 2. OPERATING TEMPERATURE AND SELF-GENERATED HEAT Keep the surface temperature of a capacitor below the upper limit of its rated operating temperature range. Be sure to take into account the heat generated by the capacitor itself. When the capacitor is used in a high-frequency current, pulse current or the like, it may have the self-generated heat due to dielectric-loss. Applied voltage should be the load such as self-generated heat is within 20 C on the condition of atmosphere temperature 25 C. When measuring, use a thermocouple of small thermal capacity-K of 0.1mm and be in the condition where capacitor is not affected by radiant heat of other components and wind of surroundings. Excessive heat may lead to deterioration of the capacitors characteristics and reliability.(Never attempt to perform measurement with the cooling fan running. Otherwise, accurate measurement cannot be ensured.) 3. OPERATING AND STORAGE ENVIRONMENT The insulating coating of capacitors does not form a perfect seal therefore, do not use or store capacitors in a corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt or the like are present. And avoid exposure to moisture. The capacitor is designed to be used in the insulating media, such as epoxy resin, silicone oil, etc.. There must be 3mm or more insulating media for each direction of the capacitor. In case of cleaning, bonding, or molding this product, verify that these processes do not affect product quality by testing the performance of a cleaned, bonded or molded product in the intended equipment. Store the capacitors where the temperature and relative humidity do not exceed -10 to 40 C and 15 to 85. Use capacitors within 6 months after delivered. 4. BONDING, RESIN MOLDING AND COATING, BOARD TO AVOID In case of bonding, molding or coating this product, verify that these processes do not affect the quality of capacitor by testing the performance of the bonded, molded or coated product in the intended equipment. In case of the amount of applications, dryness / hardening conditions of adhesives and molding resins containing organic solvents (ethyl acetate, methyl ethyl ketone, toluene, etc.) are unsuitable, the outer coating resin of a capacitor is damaged by the organic solvents and it may result, worst case, in a short circuit. The variation in thickness of adhesive, molding resin or coating may cause a outer coating resin cracking and/or ceramic element cracking of a capacitor in a temperature cycling. Resin material to hot conditions (over C 100) was weaker to intensity. So such with board to avoid mechanical stress in this state, please handle it with care. 5. VIBRATION AND IMPACT Do not expose a capacitor or its leads to excessive shock or vibration during use. EGDR01A - 1 -