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Miniature multi-layer varistor provides 5.6V rating

Posted: 09 Sep 2009     Print Version  Bookmark and Share

Keywords:varistor  voltage suppressor  filter EMI 

Transguard varistor

AVX Corp. has extended its miniature Transguard series of multi-layer varistors (MLVs) to include 50pF versions in addition to the previously available 15pF and 33pF capacitance devices. The MLVs offer a 5.6V rating in a 0201 case size, and give designers the ability to clamp transients and filter EMI in one ultra compact device. Suited for small handheld devices, the miniature 0201 bi-directional transient voltage suppressor provides minimal signal distortion and low insertion loss.

"The unique construction of the miniature 0201 Transguard series enables dual functionality—clamping transients and filtering EMI in one device—which decreases the chip count on PCBs and reduces the real estate needed," said Sonja Brown, global product manager for circuit protection products at AVX. "The MLV is a cost-effective product that solves the designers' need for a circuit protection device that meets space constraints while providing superior protection."

The Transguard 0201 MLVs are ideal for handheld devices, including cell phones and PDAs, as well as embedded components such as hearing aids and camera modules.

These products have multiple strike capability up to 1,000 strikes at 8kV of contact. The Transguard Series features a sub-1nS response time to ESD strike. The devices have a leakage current of <5µA at rated voltage.

Typical pricing ranges from 0.24 paise to Rs.1.17 ($0.005-$0.024) for standard commercial product depending on volume with a lead time of stock to eight weeks.

Get related application notes and technical articles on Power Design India.

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