Meter Shunt Resistor features direct PCB mounting.
April 11, 2011 -
Housed in 2908 size package, Power Metal Strip® WSMS2908 combines 3 W power capability with resistance values of 100, 250, 300, 430, and 500 µW. Device features tolerance of 5.0%, providing power companies with accurate data to determine customer usage and to adjust billing terms. Featuring 5-terminal connection and all-welded construction, lead-free, RoHS-compliant resistor offers inductance values less than 5 nH and low thermal EMF of less than 3 µV/°C.
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Original Press release
Vishay Intertechnology, Inc.
63 Lincoln Hwy., P.O. Box 4004
Malvern, PA, 19355 2143
USA
Vishay Intertechnology's New Power Metal Strip® Meter Shunt Resistor is Industry's First to Offer Direct PCB Mounting
Features Low Resistance Values Down to 100 µW and 3 W Power Capability in 2908 Size Package
MALVERN, PENNSYLVANIA - Feb. 1, 2011 - Vishay Intertechnology, Inc. (NYSE: VSH) today announced a new Power Metal Strip® meter shunt resistor that is the industry's first with sense leads designed to be soldered directly to the PCB, eliminating the need for costly flexible leads. The WSMS2908 combines a 3 W power capability in the 2908 size package with extremely low resistance values down to 100 µW.
The WSMS2908 meter shunt resistor features a proprietary processing technique that produces extremely low resistance values of 100 µW, 250 µW, 300 µW, 430 µW, and 500 µW. These values allow for increased accuracy in current meter shunt applications for industrial and consumer single- or multi-phase energy meters. With a tolerance of 5.0 %, the new resistor provides power companies with more accurate data to determine customer usage and to adjust billing terms.
The WSMS2908 features a 5-terminal connection design and an all-welded construction that contributes to its superior electrical performance. The resistor offers very low inductance values of < 5 nH and a low thermal EMF of < 3 µV/°C. The device is lead (Pb)-free and RoHS-compliant.
Samples and production quantities of the new meter shunt resistor are available now, with a lead time of eight to 10 weeks for larger orders.
Vishay Intertechnology, Inc., a Fortune 1,000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at http://www.vishay.com.
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