Electronic Design

Service Prototypes Resistance Networks In Two Weeks

Precision resistor networks are an increasingly popular solution for saving space and reducing assembly costs for a wide range of analog applications requiring precision performance. A prototyping service for precision resistor networks, Quick-Net, offers designers and manufacturers a two-week turnaround without non-recurring engineering charges, rather than the 10 weeks typically required, according to Vishay Intertechnology Inc. Certain styles can be prototyped in just 72 hours. Besides shortening time-to-market, Quick-Net allows designers to specify improved ratio and TCR tracking specifications. Designers simply fill out a fax form that specifies the desired package format, schematic pin-out, and required electrical performance.

Resistance ranges are package-specific and typically run from 100 Ω to 100 kΩ for most formats, with values up to 1 MΩ available in single in-line formats. Performance limits available include ratio tolerances down to ±0.01% (over 1 kΩ), absolute tolerances of ±0.1%, TCR tracking of ±5 PPM/°C at a temperature range of -55°C to 125°C, and maximum wattage of 25 mW per element. Quick-Net offers designers a wide choice of network standards and packages types, including SIP, DIP, flatpack, and leadless chip carriers. The networks are available with either tantalum nitride or Tamelox passivated nichrome resistor films.


The Quick-Net service is available immediately.


Cost varies according to the number of resistive elements per package and starts at a lot charge of approximately $300 for a 10-piece sample.


Visit www.vishay.com.

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