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SMNZ Dataheets PDF



Part Number SMNZ
Manufacturers Vishay
Logo Vishay
Description Ultra High Precision Z-Foil Surface Mount 4 Resistor Network
Datasheet SMNZ DatasheetSMNZ Datasheet (PDF)

SMNZ (Z-Foil) Ultra High Precision Z-Foil Surface Mount 4 Resistor Network Dual-In-Line Package with TCR Tracking of 0.1 ppm/°C, PCR Tracking of 5 ppm at Rated Power, and Tolerance Match of 0.01 % Any value and any ratio available within resistance range INTRODUCTION The Z-Foil technology provides a significant reduction of the resistive components’ sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). 0.05 ppm/°C Absolute TCR removes errors due to temperature g.

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SMNZ (Z-Foil) Ultra High Precision Z-Foil Surface Mount 4 Resistor Network Dual-In-Line Package with TCR Tracking of 0.1 ppm/°C, PCR Tracking of 5 ppm at Rated Power, and Tolerance Match of 0.01 % Any value and any ratio available within resistance range INTRODUCTION The Z-Foil technology provides a significant reduction of the resistive components’ sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). 0.05 ppm/°C Absolute TCR removes errors due to temperature gradients. Model SMNZ offers extremely low TCR (absolute and tracking), excellent load life stability, tight tolerance (absolute and matching), excellent ratio stability, low current noise, low voltage coefficient and non sensitivity to ESD - all in the same resistor. The SMNZ surface mount network is made up of 4 independent Bulk Metal® Z-Foil resistors in a small standard molded epoxy package with 50 MIL lead pitch (JEDEC MS-012 package). The electrical specification of this integrated construction offers improved performance and better real estate utilization over discrete resistors and matched sets. The resistor may be used independently or as divider pairs. Our application engineering department is available to advise and make recommendations. For non-standard technical requirements and special applications, please contact us. APPLICATIONS  Instrumentation amplifiers  Bridge networks  Differential amplifiers  Ratio arms in bridge circuits  Medical and test equipment  Military  Airborne etc V1 V2 R2 R1 R1 R2 + Vout SMNZ FEATURES  Temperature coefficient of resistance (TCR): absolute: ± 0.05 ppm/°C typical (0 °C to + 60 °C) ± 0.2 ppm/°C typical (-55 °C to + 125 °C, + 25 °C Ref.) (see table 1) Tracking: 0.1 ppm/°C typical (see table 1)  Tolerance match: 0.01 %  Power coefficient tracking - “R2 -R1 due to self heating”: 5 ppm at rated power  Power rating: at 70 °C Entire package: 0.4 W Each resistor: 0.1 W  Ratio stability: 0.005 % (0.1 W at 70 °C, 2000 h)  Large variety of resistance ratios  Electrostatic discharge (ESD) above 25 000 V  Short time overload  0.0025 %  Non-inductive, non-capacitive design  Rise time: 1 ns without ringing  Current noise: <- 40 dB  Voltage coefficient < 0.1 ppm/V  Non-inductive: < 0.08 µH  Non hot spot design  Terminal Finishes available: lead (Pb)-free tin/lead alloy  For better performances please contact us  Any value available within resistance range (e.g. 1K2345)  Prototype samples available from 48 h. For more information, please contact [email protected]  FIGURE 1 - SCHEMATICS R1 R1 R1 R1 OPTION 1 FOUR RESISTORS, SAME OHMIC VALUE SAME ABSOLUTE TOLERANCE R1 R2 R2 R1 OPTION 2 TWO RESISTOR PAIRS Note R1/R2; R2/R1 1. Different schematics are available (R1, R2, R3, R4) TABLE 1 - MODEL SMNZ SPECIFICATIONS MODEL RESISTANCE VALUES1) ABSOLUTE TCR (- 55 °C TO + 125 °C, + 25 °C REF.) (TYPICAL + MAX. SPREAD) RESISTANCE RATIO SMNZ 100  to1 k 1 k to 10 k ± 0.2 ± 2.8 ± 0.2 .


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