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Vishay's MPMA series boasts tight ratio tolerance

Posted: 20 Dec 2012 ?? ?Print Version ?Bookmark and Share

Keywords:matched-pair resistors? AEC-Q200-qualified? MPMA series?

Vishay Intertechnology has recently released the MPMA series of precision matched-pair resistors. The company's products have been designed for automotive applications requiring highly precise resistors. The components are AEC-Q200-qualified and packaged in a compact moulded surface-mount SOT-23.

The resistor film comes with an enhanced passivation on a high purity alumina substrate. The MPMA device is resistant to moisture at + 85∼C, 85 % relative humidity, and 10 per cent rated power per MIL-STD-202, method 202.

Offering higher precision matching capability than discrete SMT chips, the AEC-Q200-qualified dividers provide low TCR tracking of ㊣2 ppm/∼C and tight ratio tolerance to ㊣0.05 per cent, with excellent long-term ratio stability over time and temperature.

 MPMA series boasts

The MPMA series provides a resistance range from 250 次 to 50 k次 with divider ratios from 1:1 to 50:1. With their standard SOT-23 package and wide range of common standard divider ratios, the devices are ideal for precision voltage divider, operational amplifier, and battery signal management applications in automotive, industrial, telecommunications, process control, and medical instrumentation equipment.

Offering a rugged moulded case construction, the MPMA networks offer power ratings of 100 mW at + 70∼C per resistor, extremely low noise of Available with lead (Pb)-free terminations, the resistor networks are RoHS-compliant. Samples of the MPMA series are available now, with lead times of eight to 10 weeks.

- Christoph Hammerschmidt
??EE Times

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