DSMZ (Z-Foil)
Ultra High Precision Bulk Metal® Z-Foil Surface Mount Voltage Divider
Pr
Bul Metal® -Foil
ce
TCR Tracking of <0.1 ppm/°C, PCR of ±± ppm at Rated Poꢀer
and Stability of ±0.00±5 (±0 ppm)
FEATURES
•ꢀ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
•ꢀ“ΔR due to self heating”: 5 ppm at rated power
INTRODUCTION
•ꢀPower rating at 70°C: entire package: 0.1 W,
each resistor: 0.05 W
Bulk Metal® Z-Foil technology out-performs all other
resistor technologies available today for applications that
require ultra-high precision and ultra-high stabilitly.
•ꢀTolerance: absolute: 0.02%; match: 0.01%
•ꢀRatio stability: 0.005% (0.05 W at 70°C, 2000 h)
•ꢀResistance range: 100 Ω to 10 kΩ per resistor
•ꢀLarge variety of resistance ratios: 1:100
•ꢀFoil resistors are not restricted to standard values/
ratios; specific “as required” values/ratios can be
supplied at no extra cost or delivery
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.
(e.g., 1K234/2K345 vs. 1K/2K)
•ꢀ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
•ꢀCompliant to RoHS directive 2002/95/EC
•ꢀPrototype quantities available in just 5 working days
or sooner. For more information, please contact:
foil@vpgsensors.com
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. Our application engineering department is available
to advise and make recommendations. For non-standard
technical requirements and special applications,
please contact us.
Figure 1 – Schematic
•ꢀFor better performances, please contact:
application engineering
R1
R2
OPTION 1
OPTION 2
SAME OHMIC VALUE,
RESISTOR PAIR
APPLICATIONS
SAME ABSOLUTE TOLERANCE
R1/R2 - DIFFERENT VALUES
•ꢀInstrumentation amplifiers
•ꢀBridge networks
•ꢀDifferential amplifiers
•ꢀRatio arms in bridge circuits
•ꢀMedical and test equipment
R2
•ꢀMilitary
•ꢀAirborne, etc.
R1
Vin
-
Vout
+
DSMZ
Note
* This datasheet provides information about parts that are RoHS-compliant and/or parts that are non-RoHS-compliant. For example,
parts with lead (Pb) terminations are not RoHS compliant. Please see the information/tables in this datasheet for details.
4153-EN
Rev 01-May-2020
For any questions, contact
foil@vpgsensors.com
www.vishayfoilresistors.com
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