vesd03a1b-hd1 www.vishay.com vishay semiconductors rev. 1.5, 20-jun-12 1 document number: 81851 for technical questions, contact: esdprotection@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 esd-protection diode in llp1006-2l marking (example only) bar = cathode marking x = date code y = type code (see table below) features ? ultra compact llp1006-2l package ? low package height < 0.4 mm ? 1-line esd-protection ? low leakage current < 0.5 a ? low load capacitance c d = 15 pf (v r = 2.5 v; f = 1 mhz) ? esd-protection acc. iec 61000-4-2 30 kv contact discharge 30 kv air discharge ? high surge current acc. iec61000-4-5 i pp > 3.5 a ? soldering can be checked by standard vision inspection. no x-ray necessary ? pin plating nipdau (e4) no whisker growth ? e4 - precious metal (e.g. ag , au, nipd, nipdau) (no sn) ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 20855 20856 2 1 21121 xy ordering information device name ordering code taped units per reel (8 mm tape on 7" reel) minimum order quantity vesd03a1b-hd1 VESD03A1B-HD1-GS08 8000 8000 package data device name package name type code weight molding compound flammability rating moisture sensitivity level soldering conditions vesd03a1b-hd1 llp1006-2l j 0.72 mg ul 94 v-0 msl level 1 (according j-std-020) 260 c/10 s at terminals absolute maximum ratings parameter test conditions symbol value unit peak pulse current acc. iec 61000-4-5; t p = 8/20 s; single shot i ppm 3.5 a peak pulse power acc. iec 61000-4-5; t p = 8/20 s; single shot p pp 31 w esd immunity contact discharge acc. iec 61000-4-2; 10 pulses v esd 30 kv air discharge acc. iec 61000-4-2; 10 pulses 30 kv operating temperature junction temperature t j - 40 to + 125 c storage temperature t stg - 55 to + 150 c
vesd03a1b-hd1 www.vishay.com vishay semiconductors rev. 1.5, 20-jun-12 2 document number: 81851 for technical questions, contact: esdprotection@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 bias-mode (bidirectional asymmetrical protection mode) with the vesd03a1b-hd1 one signal- or data-lines (l1) can be protected against voltage transients. with pin 1 connected to ground and pin 2 connected to a signal- or data-line which has to be protected. as long as the voltage level on the data- or signal-line is between 0 v (gro und level) and the sp ecified maximum reverse working voltage (v rwm ) the protection diode between data line and ground offers a high isolation to the ground line. the protection device behaves like an open switch. as soon as any positive transient voltag e signal exceeds the break through voltage level of the protection diode, the diode becomes conductive and shorts the transi ent current to ground. now the protection device behaves like a closed switch. the clamping voltage (v c ) is defined by the breakthrough voltage (v br ) level plus the voltage drop at the series impedance (resistance and inductance) of the protection device. any negative transient signal will be clamped accordingly. the negative transient current is flowing in the forward direction o f the protection diode. the low forward voltage (v f ) clamps the negative transien t close to the ground level. due to the different clamping le vels in forward and reverse direction the vesd 03a1b-hd1 clamping beha viour is bidirectional and asymmetrical (bias). electrical characteristics (t amb = 25 c, unless otherwise specified) parameter test conditions/remarks symbol min. typ. max. unit protection paths number of li nes which can be protected n channel --1lines reverse stand-off voltage max. reverse working voltage v rwm --3.3v reverse voltage at i r = 0.5 a v r 3.3 - - v reverse current at v r = 3.5 v i r - 0.04 0.5 a reverse breakdown voltage at i r = 1 ma v br 566.6v reverse clamping voltage at i pp = 1 a v c -6.27.5v at i pp = i ppm = 3.5 a v c -7.69 v forward clamping voltage at i pp = 0.2 a v f -0.91.2v at i pp = 1 a v f -1.25- v at i pp = i ppm = 3.5 a v f -1.8- v capacitance at v r = 0 v; f = 1 mhz c d -2528pf at v r = 2.5 v; f = 1 mhz c d -15-pf l1 20925 2 1 ground bias
vesd03a1b-hd1 www.vishay.com vishay semiconductors rev. 1.5, 20-jun-12 3 document number: 81851 for technical questions, contact: esdprotection@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 typical characteristics (t amb = 25 c, unless otherwise specified) fig. 1 - esd discharge current wave form acc. iec 61000-4-2 (330 ? /150 pf) fig. 2 - 8/20 s peak pulse current wave form acc. iec 61000-4-5 fig. 3 - typical capacitance c d vs. reverse voltage v r fig. 4 - typical forward current i f vs. forward voltage v f fig. 5 - typical reverse voltage v r vs. reverse current i r fig. 6 - typical peak clamping voltage v c vs. peak pulse current i pp 0 % 20 % 40 % 60 % 80 % 100 % 120 % - 10 0 10 20 30 40 50 60 70 80 90 100 time (ns) discharge current i esd rise time = 0.7 ns to 1 ns 53 % 27 % 20557 0 % 20 % 40 % 60 % 80 % 100 % 010203040 time (s) i ppm 20 s to 50 % 8 s to 100 % 20548 0 5 10 15 20 25 30 0123456 v r (v) c d (pf) 21114 f = 1 mhz 0.001 0.01 0.1 1 10 100 0.5 0.6 0.7 0.8 0.9 1 v f (v) i f (ma) 21115 0 1 2 3 4 5 6 7 0.01 0.1 1 10 100 1000 10000 i r (a) v r (v) 21116 - 4 - 2 0 2 4 6 8 10 01234 i pp (a) v c (v) 21117 v c positive surge negative surge measured acc. iec 61000-4-5 (8/20 s - wave form)
vesd03a1b-hd1 www.vishay.com vishay semiconductors rev. 1.5, 20-jun-12 4 document number: 81851 for technical questions, contact: esdprotection@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 7 - typical clamping performance at + 8 kv contact discharge (acc. iec 61000-4-2) fig. 8 - typical clamping performance at - 8 kv contact discharge (acc. iec 61000-4-2) fig. 9 - typical peak clamping voltage at esd contact discharge (acc. iec 61000-4-2) - 20 - 10 0 10 20 30 40 50 60 - 100 10 2030405060708090 acc. iec 61000-4-2 + 8 kv contact discharge t (ns) v c-esd (v) 21118 - 60 - 50 - 40 - 30 - 20 - 10 0 10 20 30 40 - 100 102030405060708090 acc. iec 61000-4-2 - 8 kv contact discharge t (ns) v c-esd (v) 21119 - 250 - 200 - 150 - 100 - 50 0 50 100 150 200 250 0 5 10 15 20 25 30 35 v esd (kv) v c-esd (v) 21120 acc. iec 61000-4-2 contact discharge v c-esd positive discharge negative discharge
vesd03a1b-hd1 www.vishay.com vishay semiconductors rev. 1.5, 20-jun-12 5 document number: 81851 for technical questions, contact: esdprotection@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 package dimensions in millimeters (inches): llp1006-2l 20812 document no.:s8-v-3906.04-005 (4) rev. 5 - date: 21 april 2010 created - date: 13. july. 2007 foot print recommen d ation: s older re s i s t ma s k s older pad 0.55 [0.022] 0.45 [0.018] 0.25 [0.010] 0.15 [0.006] 0.45 [0.018] 0.35 [0.014] 0.3 [0.012] 0.2 [0.008] 0.4 [0.016] 0.33 [0.013] 1.05 [0.041] 0.95 [0.037] s olderma s k opening 0.03 mea s ured middle of the package 0.05 [0.002] 0 [0.000] 0.125 [0.005] ref. 0.65 [0.026] 0.55 [0.022] 0.05 [0.002] 0.25 [0.010] 0.5 [0.020] 1 [0.039] 0.5 [0.020] 0.6 [0.024] 0.2 [0.008] orientation i d enti?cation
legal disclaimer notice www.vishay.com vishay revision: 02-oct-12 1 document number: 91000 disclaimer all product, product specifications and data are subject to change without notice to improve reliability, function or design or otherwise. vishay intertechnology, inc., its affiliates, agents, and employee s, and all persons acting on it s or their behalf (collectivel y, vishay), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, repres entation or guarantee regarding the suitabilit y of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicable law, vi shay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all i mplied warranties, including warra nties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of products for certain type s of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in generic applications. such statements are not binding statements about the suitability of products for a particular application. it is the customers responsib ility to validate that a particu lar product with the properties descri bed in the product specification is suitable fo r use in a particular application. parameters provided in datasheets and/or specification s may vary in different applications an d performance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vish ays terms and condit ions of purchase, including but not limited to the warranty expressed therein. except as expressly indicate d in writing, vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the vi shay product could result in personal injury or death. customers using or selling vishay products not expressly indicated for use in such applications do so at their own risk. pleas e contact authorized vishay personnel to ob tain written terms and conditions regarding products designed for such applications. no license, express or implied, by estoppel or otherwise, to any intellectual prope rty rights is granted by this document or by any conduct of vishay. product names and markings noted herein may be trad emarks of their respective owners. material category policy vishay intertechnology, inc. hereby certi fies that all its products that are id entified as rohs-compliant fulfill the definitions and restrictions defined under directive 2011/65/eu of the euro pean parliament and of the council of june 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (eee) - recast, unless otherwis e specified as non-compliant. please note that some vishay documentation may still make reference to rohs directive 2002/95/ ec. we confirm that all the products identified as being compliant to directive 2002 /95/ec conform to directive 2011/65/eu. vishay intertechnology, inc. hereby certifi es that all its products that are identified as ha logen-free follow halogen-free requirements as per jedec js709a stan dards. please note that some vishay documentation may still make reference to the iec 61249-2-21 definition. we co nfirm that all the products identified as being compliant to iec 61249-2-21 conform to jedec js709a standards.
|
