New VPG Foil Resistors’ CSM3637F Four-Terminal Bulk Metal® Z Foil High Precision Current Sense Resistor Combines Excellent...
October 31 2016 - 7:00AM
Business Wire
VPG Foil Resistors, a Vishay Precision Group, Inc. (NYSE:VPG)
product group, announced today that its Vishay Foil Resistors brand
has introduced a new current sense resistor for the medical,
energy, military and aerospace markets. The high-precision,
surface-mount, four-terminal CSM3637F current sense resistor is an
industry first due to its size in combination with an improved
load-life stability of +/-0.02% at +70°C for 2,000 hours with a low
TCR of +/-5 ppm/°C max from -55°C to +125°C and a high power rating
up to 3 W.
The CSM3637F resistor is optimized for high-precision current
sensing applications in switching linear power supplies, power
amplifiers, power management systems, feedback circuits,
measurement instrumentation and automatic test equipment. The
device features a resistance range from 50 mΩ to 200 mΩ with
any conceivable ohmic value within this range — out to six digits —
available with no additional cost or lead time effect. The resistor
provides ESD immunity to 25 kV or more, power coefficient of
resistance (ΔR due to self-heating) of 5 ppm/W at rated power, and
tight tolerance of +/-0.1%.
The CSM3637F resistor’s unique combination of Bulk Metal® Z Foil
Technology and a four-terminal Kelvin connection results in a
significant reduction of the device’s sensitivity to applied power
changes such as power coefficient of resistance (PCR) and thermal
resistance, while its low TCR reduces errors due to temperature
changes. Short-time overload tests applying 10 W power for 5
seconds on the device were passed with a maximum ∆R of 0.01%.
“The CSM3637F resistor is the ideal solution for applications up
to 3 W where the emphasis is on accuracy and repeatability under
stressed conditions and swift current changes, such as current
power supplies, deflection amplifiers, electron microscopes,
electron beam systems and force-balanced scales,” said Jacky Acoca,
sales and marketing director, VPG Foil Resistors. “Such products
require a precise voltage proportional to the current, and the
CSM3637F resistor delivers with its unique design, low TCR, and
excellent load-life stability.”
“The stability of Bulk Metal® Z Foil resistors, as well as the
other basic advantages apparent in Bulk Metal® Z Foil
specifications, will not only provide unequalled performance in the
circuit, but will eliminate all the costs associated with extra
compensation circuitry,” added Hero Faierstain, application
engineering senior manager, Vishay Foil Resistors. “With the
CSM3637F, only a minimal shift in resistance value will occur
during its entire lifetime. Most of this shift takes place during
the first few hundred hours of operation, and virtually no change
is noted thereafter.”
Samples and production quantities of the new CSM3637F resistors
are available now with lead times of five to eight weeks, either
RoHS-compliant (lead (Pb)-free) or with tin/lead alloy
terminations. The CSM3637F resistors will be among the products on
display during electronica 2016 at the VPG Foil Resistors booth
B6/116 at the Messe München, November 8-11.
The newly redesigned www.vpgfoilresistors.com web site offers
detailed information on the industry’s most precise and stable
resistors from the Vishay Foil Resistors, Powertron, and Alpha
Electronics brands, including videos, application notes, datasheets
and market-related information.
Additional information about the CSM3637F and other Vishay Foil
Resistors products is available at www.vishayfoilresistors.com.
Follow Vishay Foil Resistors at twitter.com/foilresistor.
About VPG
Vishay Precision Group, Inc. is an internationally recognized
designer, manufacturer and marketer of: components based on its
resistive foil technology; sensors; and sensor-based systems
specializing in the growing markets of stress, force, weight,
pressure, and current measurements. VPG is a market leader of foil
technology products, providing ongoing technology innovations in
precision foil resistors and foil strain gages, which are the
foundation of the company’s force sensors products and its weighing
and control systems. The product portfolio consists of a variety of
well-established brand names recognized for precision and quality
in the marketplace. To learn more, visit VPG at
www.vpgsensors.com.
About VPG Foil Resistors
VPG Foil Resistors produces the most precise
and stable resistors available. Distinguished by the premier brands
Vishay Foil Resistors, Powertron, and Alpha Electronics, the VPG
Foil Resistors portfolio includes discrete resistors and resistor
networks in surface mount and through-hole (fixed-lead)
configurations; customized chip resistor networks; precision
trimming potentiometers; and discrete chips for use in hybrid
circuits. These devices are used in applications requiring a high
degree of precision and stability, such as in medical testing
equipment, semiconductor equipment, precision measuring
instruments, aerospace, and military applications. To learn more
about VPG Foil Resistors, visit www.vpgfoilresistors.com; Vishay
Foil Resistors can be reached at www.vishayfoilresistors.com.
Bulk Metal is a registered trademark of Vishay
Precision Group, Inc. (VPG).
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version on businesswire.com: http://www.businesswire.com/news/home/20161031005392/en/
VPGReynee Tung, 919-374-5515Director, Global Marketing
Communicationsreynee.tung@vpgsensors.com
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