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VSMP0603 (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Foil Wraparound Surface Mount Chip Resistor
with Temperature Coefficient of Resistance of ± 0.05 ppm/°C , Load
Life Stability to ± 0.005 % (50 ppm) and ESD Immunity up to 25 kV
FEATURES
? 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.)
Top View
Vishay Foil resistors are not restricted to standard
values, we can supply specific “as required” values at
no extra cost or delivery (e.g. 1K234 vs. 1K).
INTRODUCTION
VSMP series is the industry’s first device to provide high
rated power, excellent load life stability along with extremely
low TCR all in one resistor.
One of the most important parameters influencing stability is
the temperature coefficient of resistance (TCR). Although the
TCR of foil resistors is considered extremely low, this
characteristic has been further refined over the years. The
VSMP series utilizes ultra high precision Bulk Metal ? Z-foil.
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). Along with the inherently low PCR and
TCR, Z-foil technology also provides remarkably improved
load life stability, low noise and availability of tight tolerance.
The VSMP0603 has a full wraparound termination which
ensures safe handling during the manufacturing process, as
well as providing stability during multiple thermal cyclings.
Our application engineering department is available to
advise and make recommendations. For non-standard
technical requirements and special applications, please
contact us using the e-mail address in the footer below.
? Tolerance: to ± 0.01 %
? Power coefficient “ ? R due to self heating”:
5 ppm at rated power
? Power rating: to 100 mW at + 70 °C
? Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated
power
? Resistance range: 100 ?? to 5 k ?
? 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
? Special design which reduces circuit signal distortion
? 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
? Matched sets are available on request
? Prototype samples available from 72 h. For more
information, please contact foil@vishaypg.com
? For better performances please contact us
APPLICATIONS
? Automatic test equipment (ATE)
? High precision instrumentation
? Laboratory, industrial and medical
?
Audio
TABLE 1 - TOLERANCE AND TCR VS.
RESISTANCE VALUE (1)
(- 55 °C to + 125 °C, + 25 °C ref.)
? EB applications (electron beam scanning and recording
equipment, electron microscopes)
? Down hole instrumentation
? Communication
RESISTANCE
VALUE
( ? )
250 ? to 5K
100 ? to < 250
TOLERANCE
(%)
± 0.01
± 0.02
TYPICAL TCR AND
MAX. SPREAD
(ppm/°C)
± 0.2 ± 1.8
± 0.2 ± 1.8
FIGURE 1 - POWER DERATING CURVE
- 55 °C + 70 °C
100
75
50
Note
(1) For tighter performances, please contact Vishay application
25
engineering using the e-mail address in the footer below.
0
- 75
- 50
- 25
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175
Ambient Temperature (°C)
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63141
Revision: 26-Mar-10
For any questions, contact: foil@vishaypg.com
www.foilresistors.com
1
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