Passives

Chip resistors supply high voltage and high stability

29th July 2020
Mick Elliott

Several new series of Exxelia Ohmcraft high-resistance custom chip resistors are now available at New Yorker Electronics.

The SM series offers ratings to 600 volts while the high voltage HVC and MCH chips offer ratings to 5,000 volts. 

The custom SM Series utilises Exxelia’s patented Micropen precision printing technology, providing ultra precision, thick-film high ohmic value surface mount resistors.

Ohmcraft’s proprietary electronic printing system ‘print’ precise, narrow, serpentine lines with resistive ink on a ceramic substrate, producing higher performance resistors over a wider range of values on a smaller surface area than is possible with conventional film resistor technology. 

The custom HVC or High Voltage Chips also use Micropen technology while supplying high voltage, ultra high stability, very low noise and resistance values to 50 gig ohms.

Ohmcraft’s custom military surface mount (MCH) chip resistors have extended TCR temperature ranges and are stringently inspected to exceed the exacting demands of the world’s most advanced defense applications. 

Exxelia Ohmcraft is also playing a crucial role enabling rapid testing amid the global novel coronavirus (COVID-19) pandemic, as experts have said that widespread testing is critical to containing the spread of the virus and the reopening of cities.

Diagnostic medical device companies have been working tirelessly to develop testing solutions, particularly those that can provide rapid and reliable results.

The new all-inclusive rapid testing solutions involve processing patient samples using a thermocycler, an instrument that is used to amplify DNA and RNA to identify COVID-19.

The thermocyclers utilise high-ohmic-value, low-noise surface mount resistors from Exxelia Ohmcraft to function. The resistors were required to meet tight specifications, including a small form factor to enable the testing devices to be portable.

Features & Benefits are:

  • Tolerances to 0.1%
  • TCR to 25 ppm/°C
  • VCR to 1 ppm/V
  • Custom Configurations

Applications are:

  • Ultra High Gain Amplifiers
  • Baggage Scanners
  • Field Effect Transistor Biasing
  • Automatic Test Equipment
  • Piezoelectric Sensors
  • Test & Measurement

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