MELVILLE, N.Y. NIC Components Corp. has broadened its line of capacitors to address two common design issues: the relatively large space requirements of conventional capacitors, and the power loss and heat generated by tantalum capacitors.
To conserve board space, NIC offers the NCA Series of surface-mount capacitor arrays. The eight-terminal EIA 1206-sized components contain four isolated ceramic capacitors. Available values are 22 pF to 0.47 pF. The arrays come in three temperature-coefficient models: NPO (-55 to +125degreesC) in values from 10 pF to 1,000 pF; X7R (-55 to +125degreesC) in values from 470 pF to 0.15 microfarads; and Y5V (-30 to +85degreesC) in values from 0.01 microfarads to 0.47 microfarads. Voltage ratings are 16 Vdc to 100 Vdc.
NIC's NTC-L Series low-ESR tantalum chip capacitors are designed for high-ripple applications, and have ESR characteristics as low as 0.1 ohms, which reduces power loss and heat generation compared with conventional tantalum capacitors. They come in capacitance values from 10 microfarads to 220 microfarads in voltage ratings of 6.3 to 35 Vdc. Operating temperature is -55 to +85degreesC, with derated operation to +125degreesC.
Prices for the NCA Series of capacitor arrays range from 8 to 12 cents each, depending on value and quantity. Lead time is six to eight weeks. The NTC-L Series is priced at 25 to 40 cents each depending on value and quantity. Lead time is eight to 10 weeks.
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EETInfo No. 646