august 2009 doc id 15646 rev 1 1/7 7 ESDA8V2-1J eos and esd transil? protection for charger and battery port features breakdown voltage v br = 8.2 v unidirectional device high peak power dissipation: 500 w (8/20 s waveform) esd protection level better than iec 61000-4-2, level 4: 30 kv contact discharge low leakage current (< 0.5 a @ 5 v) benefits high eos and esd protection level high integration suitable for high density boards complies with the following standards: iec 61000-4-2 level 4 ? 15 kv (air discharge) ? 8 kv (contact discharge) mil std 883g - method 3015-7: class 3b ? hbm (human body model): 8kv applications this product is particularly recommended for the protection of power supply lines of portable devices, where eos and esd transient overvoltage protection in sensitive equipment is required, such as: computers printers communication systems cellular phone handsets and accessories video equipment figure 1. functional diagram (top view) description the ESDA8V2-1J is a unidirectional single line transil diode designed specifically for the protection of integrated circuits in portable equipment and miniaturized electonic devices subject to eos and esd transient overvoltages. tm: transil is a trademar k of stmicroelectronics k a sod-323 www.st.com
characteristics ESDA8V2-1J 2/7 doc id 15646 rev 1 1 characteristics table 1. absolute maximum ratings (t amb = 25 c) symbol parameter value unit v pp esd discharge: iec 61000-4-2 air discharge on input pin iec 61000-4-2 contact discharge on input pin mil std 883g - method 3015-7: class 3b 30 30 30 kv p pp peak pulse power dissipation (8/20 s) (1) t j initial = t amb 500 w i pp peak pulse current (8/20 s) 25 a t j junction temperature range -40 to +125 c t stg storage temperature range - 55 to +150 c t l maximum lead temperature for soldering during 10 s 260 c 1. for a surge greater than the maximum val ues, the diode will fail in short-circuit table 2. electrical characteristics (definitions) symbol parameter v br breakdown voltage i rm leakage current @ v rm v rm stand-of voltage v cl clamping voltage i pp peak pulse current c input capacitance vv v i rm i r i pp v i i f v v slope= 1/ r d v v cl v br rm v f table 3. electrical characteristics (values, t amb = 25 c) symbol parameter test condition min. typ. max. unit v br breakdown voltage i r = 1 ma 8.2 - - v i rm leakage current @ v rm v rm = 5 v -0.10.5a v cl clamping voltage (8/20 s waveform) i pp = 1 a - - 11 v i pp = 5 a - - 13 v i pp = 25 a - - 20 v c input capacitance v r = 0 v, f osc = 1 mhz, v osc = 30 mv - 210 250 pf
ESDA8V2-1J characteristics doc id 15646 rev 1 3/7 figure 2. relative variation of peak pulse power versus initial junction temperature figure 3. peak pulse power versus exponential pulse duration p pp [t j initial] / p pp [t j initial=25c] 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 0 25 50 75 100 125 150 t j (c) p pp (w) 1 10 100 1000 10000 1 10 100 1000 t j initial = 25 c t p (s) figure 4. clamping voltage versus peak pulse current (typical values, exponential waveform) figure 5. forward voltage drop versus peak forward current (typical values) i pp (a) 0.1 1.0 10.0 100.0 8 1012141618 t p = 8/20 s t j initial =25 c v cl (v) i fm (a) i fm (a) 1.0e-02 1.0e-01 1.0e+00 1.0e+01 0 .4 0 . 60 . 8 1. 0 1.2 1.4 1. 6 t j =125 c t j =25 c v fm (v) v fm (v) figure 6. junction capacitance versus reverse voltage applied (typical values) figure 7. relative variation of leakage current versus juntion temperature (typical values) c (pf) 0 50 100 150 200 250 012345678 f=1 mhz v osc =30 mv rms t j =25 c v line (v) 1 10 100 25 50 75 100 125 i r [t j ]/i r [t j =25c] v r =5v t j (c)
ordering information scheme ESDA8V2-1J 4/7 doc id 15646 rev 1 2 ordering information scheme figure 10. ordering information scheme figure 8. esd response to iec 61000-4-2 (+15 kv air discharge) figure 9. esd response to iec 61000-4-2 (-15 kv air discharge) 5 v/div 100 ns/div in 100 ns/div 5 v/div in esda 8v2 - 1j esd array package j = sod-323 breakdown voltage 8v2 = 8.2 v min
ESDA8V2-1J package information doc id 15646 rev 1 5/7 3 package information epoxy meets ul94, v0 bar indicates cathode 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 4. sod-323 dimensions ref. dimensions millimeters inches min. max. min. max. a 1.17 0.046 a1 0 0.1 0 0.004 b 0.25 0.44 0.01 0.017 c 0.1 0.25 0.004 0.01 d 1.52 1.8 0.06 0.071 e 1.11 1.45 0.044 0.057 h 2.3 2.7 0.09 0.106 l 0.1 0.46 0.004 0.02 q1 0.1 0.41 0.004 0.016 h b d e a1 a l q1 c figure 11. footprint (dimensions in mm) figure 12. marking 3.20 0.54 1.08 1.06 1.06 gnd 3 gnd e8
ordering information ESDA8V2-1J 6/7 doc id 15646 rev 1 figure 13. tape and reel specifications 4 ordering information 5 revision history user direction of unreeling all dimensions in mm 4.0 0.1 2.0 0.05 8.0 0.3 2.0 0.1 1.75 0.1 3.5 - 0.05 ? 1.55 0.05 1.2 0.1 1.55 0.05 0.20 0.05 2.80 0.05 gnd 3 gnd e8 gnd 3 gnd e8 gnd 3 gnd e8 table 5. ordering information order code marking weight base qty delivery mode ESDA8V2-1J e8 5 mg 3000 tape and reel table 6. document revision history date revision changes 11-aug-2009 1 initial release
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