Bidirectional ESD suppression diodes in leadless package

April 05, 2017 // By Julien Happich
AVX' new series of bidirectional ESD suppression diodes combines the latest in transient voltage suppression (TVS) technology with miniature, leadless, and low profile 0201 and 0402 packaging designs to deliver cutting-edge ESD protection in high-speed data and communication circuits.

The GiGuard Series ESD diodes offer clamping voltages below 12V, ultralow nominal capacitance values spanning 17pF down to 0.3pF, and reverse leakage current values below 0.1μa to preserve the integrity of high-speed signals and protect sensitive ICs during ESD events in applications including: network communications, gigabyte Ethernet, USB 2.0, USB 3.0, HDMI, and tablet and smartphone touchscreens. Additionally, unlike typical TVS diodes, which have hidden terminal pads, the solder joints on the new GiGuard Series diodes are fully visible to inspection systems. 
Rated for 5V and operating temperatures spanning -55 to 125°C the GiGuard Series is available in two low-profile case sizes: 0201 with a maximum thickness of 0.3±0.03mm and 0402 with a maximum thickness of 0.5±0.05mm, as well as five nominal capacitance values spanning 0.3pF to 17pF. Allowable capacitance values for the series span 0.05pF to 22.1pF, peak pulse power characteristics span 46–96W, and peak pulse current characteristics span 3–8A. 
GiGuard Series diodes also feature ±15KV to ±30KV air and direct contact ESD ratings in 150pF, 330Ω networks to satisfy IEC 61000-4-2 Level 4 minimum ESD requirements, and exhibit 20A, 5/50nS electrical fast transient (EFT) characteristics to meet IEC 61000-4-4 EFT, very fast charged device model (CDM) ESD, and cable discharge event (CDE) requirements.



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