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Manufacturing Technology Insights | Wednesday, April 12, 2023
As a member of the OPEN Alliance, KYOCERA AVX has expanded its proven, high-performance, and ultralow-capacitance AntennaGuard product line with the addition of two new MLVs that meet IEEE 1000BASE-T1 and 100BASE-T1 testing requirements, significantly outperform competing diode solutions and offer exceptional reliability in space-saving 0402 and 0603 packages.
FREMONT, CA: “As a member of the OPEN Alliance special interest group dedicated to encouraging the widespread standardization and adoption of single-pair automotive Ethernet solutions, we are excited to expand our existing portfolio of field-proven, AEC-Q200-qualified electronic components to better support a growing range of Ethernet-based automotive applications,” says John Gallipeau, Senior Field Application Engineer for Circuit Protection at KYOCERA AVX. KYOCERA AVX, a leading global manufacturer of advanced electronic components designed to accelerate technological innovation and build a better future, has added two new 0402 multilayer varistors (MLVs) that meet IEEE 100BASE-T1 and 1000BASE-T1 testing requirements to its AntennaGuard line of proven, high-performance, and ultralow-capacitance products.
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"Our new ASPGuard Series multilayer varistors meet stringent IEEE 100BASE-T1 and 1000BASE-T1 testing specifications, require minimal board space, and exhibit higher transient voltage handling capabilities and lower capacitance, insertion loss, and leakage than competing diode solutions," adds Gallipeau.
The new ASPGuard® Series MLVs have small, ultralow-profile, surface-mount packages optimized for high-density designs. They also have high current and energy handling capacities, bidirectional overvoltage protection, ultra-fast, sub-nanosecond response times, and multiple-strike capabilities. In addition, they offer EMI/RFI attenuation in their off state, which can minimize or eliminate the requirement for extra EMC capacitors, lower insertion loss, lower leakage current, and unsurpassed dependability compared to competing diode alternatives. In addition, they comply with OPEN (One-Pair Ethernet) Alliance and AEC-Q200 specifications for automotive Ethernet applications.
There are many applications for the ASPGuard Series in the automotive, industrial, and consumer electronics markets that are capacitance-sensitive, high density, and require high-speed data lines, antennas, radar, Bluetooth devices, and other capacitance-sensitive, high-density applications.
Available in ultraminiature 0402 and 0603 case sizes with respective maximum heights of 0.50.10mm and 0.800.15mm, KYOCERA AVXs ASPGuard Series MLVs are rated for working voltages ranging from 18"70VDC, capacitance values ranging from just 1.5"4.7pF, energy transients ranging from 0.02"0.04J, 1"3A of peak current, and operating temperatures as low as -55°C and as Additionally, the series provides up to 25kV of electrostatic discharge (ESD) protection per IEC 61000-4-2 and meets 48VDC jump-start standards.
Both new OPEN Alliance-qualified ASPGuard Series MLVs are currently only available in the 0402 bundles. The first (VCAS04AP701R5YAT) is rated for 70VDC and 1.55pF with a 0.13pF capacitance tolerance and is intended for use in 1000BASE-T1 Gigabit Ethernet applications. The second (VCAS04AP704R7LAT) is rated for 70VDC and 4.7pF with a 1pF capacitance tolerance and is intended for use in 100BASE-T1 (100Mb/
For compatibility with automated processing equipment, ASPGuard Series MLVs are available fitted with RoHS-compliant nickel/tin terminations and bundled on 7 or 13 reels in quantities of 4,000 or 10,000 pieces. Currently, the lead time for the series is 16 weeks.
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