ALC12 Series - Board Mounting - Snap-in Terminations Related documents IEC 384-4 Temperature range Storage -55°C to +85°C Operating -40°C to +85°C Environmental classification 40/085/56 Surge voltage 1000 surges (30 seconds) at 85°C with surge voltage applied. Click here for more details. Charge/discharge 10,000,000 cycles at 25°C and rated voltage. One cycle per second with a time constant of 0.1. DC leakage current After application of rated d.c. voltage for 5 minutes at 20°C, the d.c. leakage current shall not exceed (0.006 CR UR)µA. Where CR is the rated capacitance in µF and UR is the rated d.c. voltage. Vibration 10Hz to 500Hz at 0.75mm or 10g for 3 x 2hrs duration. 10Hz to 55Hz at 0.35mm or 5g for 3x0.5hrs duration (45/50mm diameter cans) Insulation resistance => 100MW at 100V d.c., across the insulating sleeve. Voltage proof => 2500V d.c., across the insulating sleeve. Life expectancy 2000 hours at rated temperature with rated voltage and ripple current applied. Capacitor marking The capacitors are marked with items 1 to 7 from the following list as a minimum, and as much of the remaining information as is practical. 1 - Rated capacitance in µF 2 - Rated voltage d.c. 3 - Polarity of terminations 4 - Tolerance on rated capacitance 5 - Date code/Batch code 6 - BHC part number 7 - Environmental classification