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Home - POP-9: 9 Pillars of Precision - SMR1DZ/SMR3DZ (Z-Foil)


Unique flexible terminations ensure minimal stress transference from the PCB due to a difference in temperature coefficient of expansion (TCE)


  • Ultra high-precision Z-Foil molded surface mount resistor
  • Temperature coefficient of resistance (TCR):
    • 0.05 ppm/°C typical (0°C to +60°C)
    • 0.2 ppm/°C typical (-55°C to +125°C, +25°C ref.)
  • Resistance tolerance: to ±0.01%
  • Power coefficient of resistance (PCR) “∆R due to self-heating”: 5 ppm at rated power
  • Load life stability: to ±0.005% (+70°C, 2000 hours at rated power)
  • Power rating: to 600 mW at 70°C
  • Matched sets with TCR tracking are available upon request
  • Electrostatic discharge (ESD) at least to 25 kV
  • Thermal stabilization time <1 s (nominal value achieved within 10 ppm of steady state value)
  • Rise time: 1 ns effectively no ringing
Video Library  - Product Demonstrations and in depth information on VPG Process Weighing systems

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