Quad TVS Arrays Protect CMOS Circuitry

Aug. 30, 2006
The PJQMS05 from PanJit offers Quad TVS arrays with low clamping voltage, low capacitance, and low leakage current.

The PJQMS05 from PanJit offers Quad TVS arrays with low clamping voltage, low capacitance, and low leakage current. PanJit has developed a second version of the PJSMS05 in a smaller, QFN 2-mm x 2-mm package, similar in size to the SC70-6L, to provide surge and ESD protection for four data lines.

Designed to protect 5-V CMOS circuitry, the also features very low capacitance, therefore minimizing insertion loss and enabling faster data transmission. In addition, the PJQMS05 features low leakage current and therefore offers a reduction in signal and overall system power loss. The new product is expandable for use at other logic voltage levels. The PJSMS05 meets the IEC 61000-4-2 ESD standard as well as the IEC 61000-4-5 surge standard.

The PJQMS05 is similar to the PJSMS05 and comes with the same electrical specification. However, it also comes in a very low profile package called a QFN 2x2, with a max. area of 2 mm X 2 mm and a max. height of 0.9 mm (0.75 mm available). Peak power dissipation is 350 W with an 8X20µs surge waveform. It also fully complies with the IEC61000-4-2 standard. Applications include SIM card ports, personal digital assistants (PDA), portable instrumentation and other consumer portable electronic equipment.

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