march 2008 rev 1 1/7 7 etp01-xx21 protection for ethernet lines features differential and common mode protection telcordia gr1089 intrabuilding: 100 a, 2/10 s itu-t k20/21: 37.5 a, 5/310 s low capacitance: 13 pf max at 0 v ul94 v0 approved resin so8 package is jedec registered benefits trisil? technology is not subject to ageing and provides a fail safe mode in short circuit for a better protection. this series is used to help equipment to meet main standards such as ul61950, iec950 / csa c22.2 and ul1459. complies with the following standards iec 61000-4-2: level 4 ? 15 kv (air discharge) ? 8 kv (contact discharge) mil std 883e-method 3015-7: class3: ? 25 kv (human body model) telcordia gr-1089 core: 100 a, 2/10 s itu-t k20/21: 37.5 a, 5/310 s iec 61000-4-5: 2 kv, 42 , 48 a, 8/20 s applications this series can meet subscriber and central office requirements. protection against telecommunications surge standards on: ? 10/100 mbps ethernet ? ethernet gigabit ? t1 / e1 line cards tm: trisil is a trademark of stmicroelectronics figure 1. schematic diagram description the etp01 series is a low capacitance transient surge arrestor designed for protection of high debit rate communication network. planar technology used combines a high surge capability to comply with telcordia gr1089 intrabuilding and itu-t k20/21, and low capacitance to avoid distortion of high speed signals such as ethernet. so-8 t1 gnd gnd t2 t1 gnd gnd t2 t1 gnd gnd t2 t1 gnd gnd t2 t1 gnd gnd t2 t1 gnd gnd t2 www.st.com
characteristics etp01-xx21 2/7 1 characteristics table 1. absolute ratings (t amb = 25 c) symbol parameter value unit i pp peak pulse current (1) 5/310 s 37.5 a 8/20 s 48 a 2/10 s 100 a i tsm non repetitive surge peak on state current t = 20 ms 8 a t stg t j storage temperature range operating junction temperature range -55 to 150 -40 to 150 c t l maximum temperature for soldering during 10 s 260 c 1. surge capability tested according to itu-t k20/21 an d telcordia gr1089 intrabuilding connections (metallic and longitudinal tests). table 2. electrical characteristics (t amb = 25 c) order code i rm @ v rm i rm @ v rm v bo i h cc a typ. v a max. v v max. ma min. pf max. (1) pf max. (2) etp01-1621 0.01 3.3 1 16 25 30 16 13 ETP01-2821 0.01 3.3 1 28 36 30 16 13 1. test conditions: capacitance between i/o and gnd, v r = 0 v bias, v rms = 1 v, f = 1 mhz 2. test conditions: capacitance between i/o and i/o, v r = 0 v bias, v rms = 1 v, f = 1 mhz
etp01-xx21 characteristics 3/7 figure 2. non repetitive surge peak on-state current versus overload duration 0 1 10 100 1.e-02 1.e-01 1.e+00 i tsm (a) f=50hz t j initial=25c t(s) figure 3. junction capacitance versus reverse voltage applied for etp01-1621 (typical values) figure 4. junction capacitance versus reverse voltage applied for ETP01-2821 (typical values) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 c(pf) etp01-1621 f=1mhz v osc =30mv rms t j =25c i/o - gnd i/o ? i/o v line (v) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0 5 10 15 20 25 30 c(pf) ETP01-2821 f=1mhz v osc =30mv rms t j =25c i/o - gnd i/o ? i/o v line (v)
application information etp01-xx21 4/7 2 application information figure 5. application schematic for ethernet 10/100 mbps figure 6. recommended layout rx- rx- rx+ rx+ tx- tx- tx+ tx+ 75 75 rj45 connector 10/100mbps ethernet transformer 10/100mbps ethernet transceiver 2 x etp01-xx21 dviulc6-4sc6 75 75 rx- rx- rx+ rx+ tx- tx- tx+ tx+ 75 75 rj45 connector 10/100mbps ethernet transformer 10/100mbps ethernet transceiver 2 x etp01-xx21 dviulc6-4sc6 75 75 t1 t1 t2 t2 gnd gnd gnd gnd t1 t1 t2 t2 gnd gnd gnd gnd
etp01-xx21 package information 5/7 3 package information epoxy meets ul94, v0 in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at www.st.com . table 3. so-8 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 1.75 0.069 a1 0.1 0.25 0.004 0.010 a2 1.25 0.049 b 0.28 0.48 0.011 0.019 c 0.17 0.23 0.007 0.009 d 4.80 4.90 5.00 0.189 0.193 0.197 e 5.80 6.00 6.20 0.228 0.236 0.244 e1 3.80 3.90 4.00 0.150 0.154 0.157 e 1.27 0.050 h 0.25 0.50 0.010 0.020 l 0.40 1.27 0.016 0.050 l1 1.04 0.041 k0808 ppp 0.10 0.004 figure 7. footprint dimensions in mm (inches) figure 8. marking e1 d 8 4 1 5 e e a a2 b a1 ppp c c k h x 45 l l1 seating plane c 6.8 (0.268) 4.2 (0.165) 1.27 (0.050) 0.6 (0.024) a xxxxx : marking zz : manufacturing location y : year ww : week z z y w w x x x x x x pin 1 a xxxxx : marking zz : manufacturing location y : year ww : week z z z z y y w w w w x x x x x x x x x x x x pin 1
ordering information etp01-xx21 6/7 4 ordering information 5 revision history table 4. ordering information order code marking weight base qty delivery mode etp01-162rl etp162 0.08 g 2500 tape and reel etp01-282rl etp282 0.08 g 2500 tape and reel table 5. document revision history date revision changes 04-mar-2008 1 initial release.
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