WSLF2512 Power Metal Strip Resistor minimizes power loss.

Press Release Summary:

Featuring high power rating, TCR down to ±70 ppm/°C, low resistance 0.0003 Ω, WSLF2512 Power Metal Strip Resistor ensures stable and accurate current measurements. Designed in metal nickel-chrome, manganese-copper, or manganese-copper-tin alloy resistive element with low TCR, unit produces resistance values ranging from 0.0003 Ω to 0.003 Ω. Operated in -65 °C to +170 °C temperature, WSLF2512 provides low thermal EMF (<3 μV/°C) and inductance (<2 nH).


Original Press Release:

New Vishay Intertechnology 6 W WSLF2512 Power Metal Strip® Resistor Saves Space While Increasing Accuracy and Efficiency

Device Combines High Power Density With Low Resistance and TCR

Vishay Intertechnology, Inc. (NYSE: VSH) today announced a new surface-mount Power Metal Strip® current sense resistor that combines a high power rating up to 6 W, TCR down to ± 70 ppm/°C, and extremely low resistance values down to 0.0003 Ω in the 2512 case size.

Providing a power density of 192 W/in^2, the Vishay Dale WSLF2512 allows designers to save board space in high-power circuits by utilizing the smallest resistor possible. The device's low TCR provides stable and accurate current measurement across a wide temperature range, while its low resistance values minimize power losses and improve end product efficiency.

The WSLF2512's advanced construction incorporates a solid metal nickel-chrome, manganese-copper, or manganese-copper-tin alloy resistive element with low TCR (< 20 ppm/°C). This results in a higher-power resistor in a smaller size that maintains the superior electrical characteristics of the Power Metal Strip construction. A proprietary processing technique produces resistance values ranging from 0.0003 Ω to 0.003 Ω, with tolerances of ± 1.0 % and ± 5.0 %. The device provides low thermal EMF (< 3 μV/°C), very low inductance (< 2 nH), and a temperature range from -65 °C to +170 °C.

The resistor released today is ideal for all types of current sensing, voltage division, and pulse applications in power management for automotive electronic controls such as engine, transmission, anti-lock brakes, audio, and climate controls; inverter controls for down-hole test and measurement equipment and HVAC systems; and VRMs for servers. The device is RoHS-compliant, halogen-free, and Vishay Green.

Samples and production quantities of the WSLF2512 are available now, with a lead time of six to eight weeks for larger orders.Pricing for U.S. delivery only starts at $0.15 per piece in 10,000-piece quantities.

Vishay Intertechnology, Inc., a Fortune 1000 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.

Contact:

Andrew Post

Senior Manager,

Global Communications

Vishay Intertechnology, Inc.

Telephone: 1 610 251-5287

Fax: 1 610 889-9429

Email: andrew.post@vishay.com

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