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UM3311W low voltage tvs diode features ultra low leakage: na level operating voltage: 3.3v low clamping voltage complies with following standards: C iec 61000 - 4 - 2 (esd) immunity test air discharge: 15kv contact discharge: 8kv C iec61000 - 4 - 4 (eft) 40a (5/50ns) C iec61000 - 4 - 5 (lightning) 12a (8/20 s) rohs compliant applications usb 2.0 power and data line set - top box and digital tv digital video interface (dvi) notebook computers sim ports 10/100 ethernet dimensions sod - 323 pin configuration mechanical characteristics package: sod - 323 lead finish: lead free ul flammability classification rating 94v - 0 quantity per reel:3,000pcs reel size:7 inch rev : 01.06.2014 1/3 www.leiditech.com absolute maximum ratings (tamb=25c unless otherwise specified) parameter symbol value unit peak pulse power (8/20s) ppp 500 w esd per iec 61000 ?4?2 (air) v esd 15 kv esd per iec 61000 ?4?2 (contact) 8 operating temperature range t j - 55 to +125 storage temperature range t stj - 55 to +150
electrical characteristics (ta=25c unless otherwise specified) part number device marking v rwm (v) v br (v) i t (ma) v c @1a vc i r a (max) c (pf) (typ.) ( max) ( @a) UM3311W 31w 3.3 3.5 1 7.5 20 25 1 75 characteristic curves f i g 1 . 8 / 2 0 s p u l s e w a v e f o r m 0 5 1 0 1 5 2 0 2 5 3 0 12 0 t r 10 0 8 0 6 0 4 0 2 0 0 pe a k v a l u e i p p t d = t i pp / 2 t es t w a v e f o r m p a r a m e t e r s t r = 8 s t d = 20 s t - t i m e ( s ) i pp - p e a k p u l s e cu rre n t - % o f i pp f i g 3 . p o w e r d e r a t i n g c u r v e 0 2 5 5 0 7 5 1 0 0 12 5 1 5 0 1 1 0 10 0 4 0 3 0 2 0 1 0 0 % o f r a t e d p owe r 9 0 8 0 7 0 6 0 5 0 a m b i e n t t e m per a t ur e C t a ( o c ) f i g 2 . esd p u l s e w a v e f o r m ( acc o r d i n g t o iec 61 0 0 0 - 4 - 2 ) 60n s 1 0 % p e r c e n t o f p e a k p u l s e curre n t % 30n s t r = 0 . 7 ~ 1n s t i m e ( n s ) 9 0 % 10 0 % rev : 01.06.2014 2/3 www.leiditech.com UM3311W
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m illi m e t e r s i nches s y mbol m i n . n om. m ax . m i n . n om. m ax . a 0 . 80 0 . 90 1 . 00 0 . 031 0 . 035 0 . 040 a 1 0 . 00 0 . 05 0 . 10 0 . 000 0 . 002 0 . 004 a 3 0 . 15 re f 0 . 006 re f b 0 . 25 0 . 32 0 . 40 0 . 010 0 . 012 0 . 016 c 0 . 089 0 . 12 0 . 177 0 . 003 0 . 005 0 . 007 d 1 . 60 1 . 70 1 . 80 0 . 062 0 . 066 0 . 070 e 1 . 15 1 . 25 1 . 35 0 . 045 0 . 049 0 . 053 l 0 . 08 0 . 003 h e 2 . 30 2 . 50 2 . 70 0 . 090 0 . 098 0 . 105 s y mbol m illi m e t e rs i nches f 1 . 60 0 . 063 g 2 . 85 0 . 1 12 j 0 . 83 0 . 033 k 0 . 63 0 . 025 s o l d e r i ng footp r i nt s od - 3 2 3 p a c k a g e out li n e & di m e n si ons

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