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The Bulk Metal® Z-Foil technology out-performs all other resistor technologies available today for applications that require ultra-high precision and ultra-high stabilitly.

The Z-Foil technology provides a significant reduction of the resistive element’s sensitivity to ambient temperature variations (TCR) and to self heating when power is applied (power coefficient).

The DSMZ offers low TCR (both absolute and tracking), low PCR, excellent load life stability, tight tolerance match, excellent ratio stability, low thermal EMF, and low current noise - all in one package.

The DSMZ surface mount divider provides a matched pair of Bulk Metal® Z-Foil resistors in a small epoxy molded package. The electrical specification of this integrated construction offers improved performance and better real estate utilization over discrete resistors and matched pairs.

• Temperature coefficient of resistance (TCR): Absolute: ± 0.05 ppm/°C typ. (0 °C to + 60 °C) ± 0.2 ppm/°C typ. (- 55 °C to + 125 °C, + 25 °C Ref.) Tracking: 0.1 ppm/°C typical
• Power coefficient tracking “DeltaR due to self heating”: ± 5 ppm at rated power
• Power rating at 70 °C: entire package: 0.1 W, each resistor: 0.05 W
• Tolerance: absolute: ± 0.02 %; match: 0.01 %
• Ratio stability: 0.005 % (0.05 W at 70 °C, 2000 h)
• Resistance range: 100 O to 10 kO per resistor
• Large variety of resistance ratios: 1:100
• Electrostatic discharge (ESD) up to 25 000 V
• Short time overload = 0.005 %
• Non-inductive, non-capacitive design
• Rise time: 1 ns effectively no ringing
• Current noise: < - 40 dB
• Thermal EMF: 0.05 µV/°C typical
• Voltage Coefficient: < 0.1 ppm/V
• Non Inductive: < 0.08 µH
• Non Hot Spot Design
• Terminals: silver coated copper alloy