Hitano APPLICATION NOTICE (E01 APPLICATION 080509) free download

File name APPLICATION NOTICE (E01_APPLICATION_080509).pdf

When using aluminum electrolytic capacitors, pay strict attention to the following Polarized aluminum electrolytic capacitors. the capacitance reduced with resultant shortened life. We If you should reverse the polarities of aluminum offer high ripple resistant capacitors especially designed electrolytic capacitors, it would lead to short-circuited for use with high ripple current on request. circuitry and many further results in an explosion if the unit Ripple current were kept energized. We offer units of 8 or more with The capacitor should be used within specified permissible safety vent design as the standard type in order to prevent ripple current in each standard products table. (The sum possible accidents that may take place if the unit should of DC voltage and voltage shall not exceed the rated DC be connected with its polarities. Small-size capacitors (5 working voltage.) ~ 6) with safety vents are available on request. The specified maximum permissible ripple current is It is advisable to the use non-polar capacitors for a DC defined at + 85 and 120Hz, unless otherwise specified. circuit where the polarity is reserved. In other condition of ambient temperature and frequency, Do not apply any over-voltage exceeding the ripple current multiplied by following multiplier can be rated voltage (surge voltage for a short period) applied as maximum permissible ripple current. to the capacitor. When applying ripple current to the capacitor, be very Temperature 40 60 70 85 105 careful not to allow the peak voltage value (a value Multiplier 1.9 1.5 1.3 1.0 0.6 obtained by adding the ripple voltage to the DC voltage) to exceed the rated voltage. Application of any voltage higher than the rated value would lead to shortened Frequency 60HZ 120Hz 300Hz 1KHz 10KHz 100KHz service life of the capacitor or would even destroy the unit Multiplier 0.7 1.0 1.1 1.3 1.4 1.4 in a short period. However, the unit may withstand extremely short When you see a capacitor after prolonged application of surge voltage. storage. a) Do not store capacitors at a high temperature or in high