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Vishay resistor networks with 0.01 percent ratio tolerance

Posted: 25 Aug 2004 ?? ?Print Version ?Bookmark and Share

Keywords:resistor network? vishay intertechnology? mpm? orn?

Vishay Intertechnology Inc. has disclosed that its two new precision thin film resistor networks extend the ratio tolerance of its MPM and ORN matched-pair and quad resistor networks to a new industry low of 0.01 percent in standard molded SOT-23 and 8-pin SOIC packages.

Intended for use in instrumentation amplifiers, precision voltage dividers and bridge network circuitry, the devices provide an alternative to technologies such as wirewound or hermetic packaging previously required to maintain such a low tolerance.

Aside from being precision-matched to 0.01 percent ratio tolerance for like resistance values, the new devices in the MPM series feature temperature coefficient ratio tracking (TCR) of 2ppm/C and provide stability for all surface-mount applications. Standard divider ratio options for the MPM series range from 1:1 to 100:1.

Meanwhile, the newest additions to the ORN family of dual-in-line resistor networks feature four isolated resistors with standard 50 mil pitch lead spacing. With close TCR tracking of 5ppm/C and tight ratio tolerance down to 0.01 percent, the ORN devices are ideally suited for unity gain operational amplifier circuitry. Nine standard resistance values ranging from 500 ohms to 100 kiloohms are available for immediate delivery.

Samples and production quantities of the new devices are already available, with a lead time of two to six weeks for larger orders.

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