B case size tantalums with low ESR
AVX’s 1210 B case size TCJ series of polymer tantalum capacitors launched last year is now available with even lower ESR, reduced from 70 to 45mΩ. For the design engineer this means lower output noise and improved ripple current in their circuits. It also means, faster pulse energy in key areas of the circuit, which has become much more important with the increased usage of battery power for handheld equipment.
Devices offer 100µF capacitance at 6.3V and are part of the only family of polymer devices on the market capable of withstanding the lead-free requirement for reflow at 3x260degC. The company guarantees operation up to 125degC, with parts offering a defined ESR specification after reflow soldering. They also exhibit a safer non-ignition failure mode as well as improved capacitance retention compared to conventional MnO2 electrode capacitors.
The new capacitor will be ideal for designers of small 4.5-5.5V battery-operated handheld equipment such as mobile phones, PDAs, MP3 players and digital cameras.
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