AVX Introduces New Resistor/Capacitor Z Chip
AVX Corp. (Myrtle Beach, FL) introduced the Z Chip, a discrete impedance-matching series resistor/capacitor chip. The Z Chip is ideal for line termination applications in products such as laptops and handhelds, and enables board designers to achieve maximum signal integrity by eliminating reflections and reducing dc power consumption.
"While the resistor alone is still the prevalent method for matching impedance, the biggest problem with this method is that when the signal line is high, you are drawing continuous dc current," said Ron Demcko, AVX applications engineering manager. "With the Z Chip, you get the impedance matching properties of a resistor, and you also get the high dc resistance of the capacitor. The advantages are reduced power consumption and board-space savings provided by a volumetrically efficient component."
The Z Chip is available in capacitance values of 33pF, 47pF, 68pF, 100pF and 150pF with a tolerance of ±20 percent, and resistor values of 22, 33, 47, 51, 100 and 150 milliohms with a tolerance of ±10 percent. The dc-rated voltage is 25V.
Samples of the Z Chip are now available priced at $0.035 in quantities of 100,000 or greater in the 0603 case size. Lead times are stock to eight weeks.
