5 pack of Panasonic radial FR series aluminium electrolytic capacitors. Range of values from 4.7uf to 4700uf in various voltage values from 6.3V to 63V. When carrying out repairs to modern consumer electronic equipment the use of good quality capacitors, like Panasonic, will ensure a long lasting repair. The capacitors supplied here are the latest FR range of ultra low ESR types. The capacitors have a 105 degrees centigrade temperature rating with a long endurance / lifetime of 5000-10,000 hours depending on the value selected. The FR range of capacitors have a compact casing making them ideal for repairs where space is tight. Often the original capacitor will be bigger than the FR series replacement yet it will have a better Endurance / ESR specification. Always check the new capacitor dimensions against what you are replacing to check that there will not be a fitting issue. Most modern equipment such as televisions and satellite receivers use switching power supplies rather than a conventional mains transformer arrangement. Typically the power supply switching frequency can be around 40kHz. The resulting ripple produced on the secondary supplies gives smoothing capacitors rather a hard life. The impedance of a capacitor at a specific frequency will cause a current flow dependent on the ESR, (equivalent series resistance) of the capacitor. This is the effective series resistance of the capacitor and like any resistor heat will be produced as current flows through it. The lower the ESR the less heat that will be generated in the capacitor. It is the heat generated in the capacitor that after time will lead to its demise. The drive to reduce the price of equipment leads to the use of substandard components during the manufacturing process hence the use of cheaper capacitors is still widespread.
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