Power Resistor (3 W) offers resistance down to 0.0005 ohm.
January 20, 2012 -
Supplied in 2512 case size, WSLP2512 SMT Power Metal Strip® resistor combines power capacity of 3 W with resistance values down to 0.0005 ohm. All-welded construction incorporates solid metal nickel-chrome or manganese-copper alloy resistive element with TCR of less than 20 PPM/°C. Able to be used over -65 to +170°C range without negative effects on power rating or electrical performance, resistor exhibits inductance of 0.5-5 µH and thermal EMF of less than 3 µV/°C.
Original Press release
Vishay Intertechnology, Inc.
63 Lincoln Hwy., P.O. Box 4004
Malvern, PA, 19355 2143
USA
Vishay's New Power Resistor in 2512 Size Features 3 W Power Rating and Resistance to 0.0005 Ohms
MALVERN, Pa. - Vishay Intertechnology, Inc. (NYSE: VSH) today announced a new surface-mount Power Metal Strip® resistor in a 2512 case size that combines a very high power capacity of 3 W with extremely low resistance values down to 0.0005 W.
The advanced construction of the WSLP2512 resistor incorporates a solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (< 20 PPM/°C) and specially selected and stabilized material. This results in a high-power resistor with an operating temperature range of - 65 °C to + 170 °C while maintaining the superior electrical characteristics of the Power Metal Strip construction.
The new devices allow for the design of high-power circuits featuring the smallest possible resistor for higher-performance end products. Furthermore, the resistors' high-temperature capability allows the use of the WSLP2512 in harsh, high-temperature environments without sacrificing power rating or electrical performance.
The resistors are ideal for all types of current sensing and pulse applications, including switching and linear power supplies, instruments, power amplifiers, and shunts in automotive electronic controls such as engine, anti-lock brake, and climate controls; industrial controls, including down-hole test/measurement equipment for oil/gas well drilling; and consumer product controls such as inverter controls for HVAC systems.
The WSLP2512 resistor measures 0.250 in. by 0.125 in. by 0.025 in. [6.35 mm by 3.18 mm by 0.635 mm]. A proprietary processing technique produces extremely low resistance values ranging from 0.0005 W to 0.01 W, with tight tolerances of ± 1.0 % and ± 5.0 %.
Like all Power Metal Strip resistors, the devices released today feature an all-welded construction that contributes to their superior electrical performance. The WSLP2512 provides very low inductance of 0.5 µH to 5 µH and low thermal EMF (< 3 µV/°C).
New WSLP2512 Power Metal Strip Resistor: Summary Table
Power Rating Resistance Range (W)
P70 °C Tolerances
(W) ± 1.0 % and ± 5.0 %
3.0 0.0005 - 0.01
Samples and production quantities of the new resistors are available now, with a lead time of six to eight weeks for larger orders. Pricing varies by application, volume, and region. Follow Power Metal Strip resistors at http://twitter.com/vishayindust.
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 www.vishay.com.
Power Metal Strip is a registered trademark of Vishay Intertechnology, Inc.
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