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Semiconductors and Components

Thin Film Resistor Networks are Designed to Enable Higher-Precision Voltage Dividers

16 December 2015

A series of surface-mount, high-precision dual-in-line thin film resistor networks from Vishay Intertechnology are designed to feature improved performance and a smaller size than previous-generation SOIC thin-film resistor networks. The Vishay Dale Thin Film MORN series offers a slim maximum seated height of 1.10 mm while delivering lower TCR tracking to ± 1 ppm/°C, tighter ratio tolerances to ± 0.01 percent and long-term ratio stability of 0.015 percent after 2000 hours at +70 °C.

Vishay Dale Thin Film MORN Series resistor networks (Source: Vishay)Vishay Dale Thin Film MORN Series resistor networks (Source: Vishay)

The MORN series resistor networks feature four isolated resistors with resistance values from 400 Ω to 100 kΩ. Supplied in compact 25-mil-pitch, 8-pin MSOP packages, the resistor networks are typically rated 50 mW per resistor element.

The integrated molded construction of the resistor networks are designed to allow for higher precision over discrete SMD chips, suiting devices ideal for precision voltage dividers and unity gain operational amplifier circuitry. The networks exhibit low noise of ≤ -30 dB and voltage coefficients of 0.1 ppm/V, and operate over a wide temperature range of -55 °C to +125 °C. The networks are RoHS-compliant and halogen-free.

Samples and production quantities of the new resistor networks are available now, with lead times of 8 to 10 weeks for larger orders.

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