Vishay's New Power Metal Strip Resistor in 2512 Case Size Features Very High 3W Power Rating and Extremely Low Resistance Values Down to 0.0005 Ω

Vishay WSLP2512

Vishay Intertechnology, Inc. 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 Ω.

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.

Vishay - WSLP2512

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 brakes, 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 Ω to 0.01 Ω, with tight tolerances of ± 1.0 % and ± 5.0 %.
Like all Power Metal Strip resistors, the devices released feature an all-welded construction that contributes to their superior electrical performance. The WSLP2512 provides very low inductance of 0.5 ηH to 5 ηH and low thermal EMF (< 3 µV/°C).

Samples and production quantities of the new resistors are available now, with a lead time of six to eight weeks for larger orders.

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