Automotive-Grade High Voltage Chip Divider Reduces Component Counts and Improves TC Tracking Performance

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ByRajni Setia 0

CDMM Series high voltage chip divider from Vishay Intertechnology

The new CDMM Series high voltage chip divider from Vishay Intertechnology is designed to reduce component counts and improve TC tracking performance and ratio stability in automotive and industrial equipment. The space-saving, AEC-Q200 qualified device is optimized for high power DC/DC converters and inverters in electric automobiles and heavy industrial equipment and buses. Housed in a ribbed molded package with compliant surface-mount leads delivers a maximum working voltage of 1500 V in the 4527-case size.

The CDMM offers a wide resistance range from 500 kW to 50 MW, with maximum resistance ratios to 500:1 and tolerances down to ± 0.5 %. Sulfur-resistant, RoHS-compliant, and halogen-free, the chip divider offers features like temperature coefficient of ± 100 ppm/°C and TCR tracking as low as ± 10 ppm/°C. Comprising of two resistors integrated into one molded package, the new CDMM chip divider provides a single-component replacement for multiple discrete resistors used in voltage divider applications. Compliant with IEC 60664-1, the device offers a 12,5 mm creepage distance and is rated at 1250 V.

Key Features CDMM Series

  • High voltage up to 1500V utilizing thick film technology
  • Precision to ± 0.5% with low TCR tracking to 10ppm/°C utilizing thick film technology
  • Sulfur resistant
  • Automotive compliant terminations
  • AEC-Q200 qualified
  • Wide range of resistance value and ratios
  • 12.5mm creepage distance. Rated 1250V per IEC 60664-1

Samples and production quantities of the CDMM series are now available with lead times of 12 weeks.

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