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Rapid Prototype Sample Services

At VFR, we are dedicated to promoting successful relationships with all of our customers. One of the ways we help speed your time to market is by making prototype parts available quickly per request (via our field design engineers, see Contacts).

The prototype sample parts delivered by VFR's Fastlane Services are the same parts as produced in our standard production, ensuring they have all the features and benefits of foil technology:

  • Temperature coefficient of resistance (TCR): ±0.2 ppm/°C (-55°C to +125°C, +25°C ref.)
  • Resistance tolerance (absolute and match): to ±0.001%
  • Load-life stability: ±0.005% typical after 2,000 h at 70°C and 0.3 W
  • VFR resistors are not restricted to standard values; specific "as-required" values can be supplied at no extra cost or delivery (e.g. 1.00025 kΩ vs. 1 kΩ)
  • Electrostatic discharge (ESD): at least to 25 kV
  • Thermal EMF: 0.05 μV/°C
  • Pattern design minimizing hot spots
  • Matched sets with TCR tracking are available upon request
  • Resistors for high-temperature applications (to +240°C)
Video Library  - Product Demonstrations and in depth information on VPG Process Weighing systems

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