may 2011 doc id 14515 rev 4 1/7 7 etp01-xx21 protection for ethernet lines features differential and common mode protection telcordia gr1089 intrabuilding: 150 a, 2/10 s itu-t k20/21: 40 a, 5/310 s low capacitance: 13 pf max at 0 v ul94 v0 approved resin so-8 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, iec 950 / 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: 4 kv, 42 , 96 a, 8/20 s iec 61000-4-4 eft : 40a (5/50ns) applications this series can meet subscriber and central office requirements. protection against telecommunications surge standards on: ? 10/100 mbps ethernet ? t1 / e1 line cards figure 1. schematic diagram (top view) 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. tm : trisil is a trademark of stmicroelectronics 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 doc id 14515 rev 4 1 characteristics table 1. absolute ratings (t amb = 25 c) symbol parameter value unit i pp peak pulse current (1) 1. surge capability tested according to itu-t k20/ 21 and telcordia gr1089 intrabuilding connections (metallic and longitudinal tests). 5/310 s 40 a 8/20 s 100 a 2/10 s 150 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 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) 1. test conditions: capacitance between i/o and gnd, v r = 0 v bias, v rms = 1 v, f = 1 mhz pf max. (2) 2. test conditions: capacitance between i/o and i/o, v r = 0 v bias, v rms = 1 v, f = 1 mhz etp01-1621 0.01 3.3 1 16 25 30 16 13 etp01-2821 0.01 3.3 1 28 36 30 16 13
etp01-xx21 characteristics doc id 14515 rev 4 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 doc id 14515 rev 4 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 doc id 14515 rev 4 5/7 3 package information epoxy meets ul94, v0 lead-free package in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. table 3. so-8 dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a1.750.069 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 k0 80 8 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 xxxxx : marking ecopak status 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 doc id 14515 rev 4 4 ordering information 5 revision history table 4. ordering information order code marking weight base qty delivery mode etp01-1621rl etp162 0.08 g 2500 tape and reel ETP01-2821RL etp282 0.08 g 2500 tape and reel table 5. document revision history date revision changes 04-mar-2008 1 initial release. 24-sep-2009 2 updated order code in ta b l e 4 and surge values. 19-feb-2010 3 updated figure 1 caption to indicate top view. updated graphic in ta bl e 3 to facilitate pin 1 identification. updated figure 8 to show ecopack status marking. 10-may-2011 4 updated : applications on page 1 .
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