56 general description avx offers ultra-low capacitance esd protection in the sub 1pf range for use in automotive circuits that are sensitive to capacitance. the automotive sub pf varistor (aspv) is avail- able in 0.8pf capacitance value in a compact 0402 low profile package. aspv devices provide excellent response time to esd strikes to protect sensitive circuits from over voltage. the development of new information processing technologies call for ever increasing digital system speeds. higher speeds necessitate the use of ultra-low capacitance values in order to minimize signal distortion. how to order vc varistor chip as automotive series h4 chip size low profile 0402 ag varistor series ag series ultra-low capacitance 16 working voltage 16 = 16v 0r8 capacitance 0r8 = 0.8pf m tolerance m = 20% a n/a t termination t = ni barrier/ 100% sn w reel size w = 7" a reel quantity a = 10k automotive sub pf ag series avx ultra-low capacitance automotive varistor for esd protection for automotive circuits sensitive to capacitance applications ? antennas, rf circuits ? optics ? hdmi, firewire, thunderbolt ? high speed communication bus ? gps ? camera link ? sensors ? touch screen interfaces ? circuits sensitive to capacitance features ? high reliability ? capacitance <1pf ? bi-directional protection ? fastest response time to esd strikes ? multi-strike capability ? low insertion loss ? low profile 0402 case size ? aec-q 200 qualified antennaguard catalog part numbers/electrical values avx part number v w (dc) v b i l cap cap tolerance 3db freq (mhz) case size vcash4ag160r8ma 16 125 1 0.8 20% 5800 lp 0402 v w (dc) dc working voltage (v) v b typical breakdown voltage (v @ 1ma dc ) i l typical leakage current at the working voltage cap typical capacitance (pf) @ frequency specified and 0.5v rms freq frequency at which capacitance is measured (m = 1mhz) lead-free compatible component general c h aracteristics ? operating temperature: -55c to +125c ? working voltage: 16vdc ? case size: 0402 low profile ? capacitance < 1pf
57 automotive sub pf ag series avx ultra-low capacitance automotive varistor for esd protection for automotive circuits sensitive to capacitance s21 transmission characteristics -spv v/i curve - spv t t t l w size (eia) 0402 length (l) 1.00 0.10 (0.040 0.004) width (w) 0.50 0.10 (0.020 0.004) max thickness (t) 0.35 (0.014) terminal (t) 0.250.15 (0.0100.006) mm (inches) 5 0 -5 -10 -15 -20 10 100 1000 insertion loss (db) 10000 100000 frequency (mhz) 160 140 120 100 80 60 40 20 current (a) volt (v) 1.e-08 1.e-07 1.e-06 1.e-05 1.e-04 1.e-03 dimensions
58 automotive sub pf ag series avx ultra-low capacitance automotive varistor for esd protection for automotive circuits sensitive to capacitance eye diagram - usb-hs (480mhz) test no part VCASH4AG160R8MATWA no part VCASH4AG160R8MATWA eye diagram - pci-e (2.5ghz) test
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