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News

Compact, high-capacitance devices enable design of lighter, thinner wireless products

Vishay Electronic : 31 October, 2003  (New Product)
Vishay Intertechnology, Inc. today announced the release of two new devices in the 592D family of solid tantalum chip capacitors, which provides the highest available capacitance values for low profile tantalum capacitors.
Part of the Vishay Sprague TANTAMOUNT product line, these new capacitors are designed for low-profile applications, such as wireless GPRS PCMCIA modem cards and cell phones, requiring very high capacitance.

The devices' low ESR values help to reduce power consumption, while their uniquely compact case size enables the design of lighter, smaller, more portable end products. In some applications, these high-capacitance devices may be used to replace several capacitors with lower ratings, allowing designers to conserve board real estate and decrease component count.

The 592D capacitors released today are available in 'X' and 'Y' cases with dimensions of 0.570 in. by 0.290 in. [14.5 mm by 7.37 mm] and height profiles of 0.079 in. [2.0 mm] and 0.098 in. [2.5 mm], respectively. The 592D228X_6R3X2_ in the X case features capacitance of 2200 F and a maximum current leakage of 139 A. In the Y case size, the 592D338X_6R3Y2_ offers a capacitance value of 3300 F and maximum current leakage of 208 A.

At 6.3 WVDC both devices offer a maximum dissipation factor of 35%, very low ESR of 0.055 Ω, and ripple of 1.80 A during operation at +25 C and 100 kHz. Capacitance tolerances of 10% and 20% are standard.

Tantalum capacitors in the 592D family are conformal coated, feature two 100% tin terminations, and are case-code compatible with EIA 535BAAC and CECC 30801 molded chips. The devices are specified for an operating temperature range of -55 C to +85 C.

Samples and production quantities of the new 592D228X_6R3X2_ and 592D338X_6R3Y2_ capacitors are available now in tape-and-reel packaging, with lead times of seven weeks for larger orders.
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