leshan radio comp any, ltd. rev.o 1/4 ordering information lesd8lm5.0ct5g q5 10000/tape&reel device marking shipping sod882 1 2 lesd8lm5.0ct5g lesd8lm5.0ct5g transient voltage suppressors 12 esd protection diodes with ultra ? low capacitance the esd8lm is designed to protect voltage sensitive components that require ultra ? low capacitance from esd and transient voltage events. excellent clamping capability, low capacitance, low leakage, and fast response time, make these parts ideal for esd protection on designs where board space is at a premium. because of its low capacitance, it is suited for use in high frequency designs such as usb 2.0 high speed and antenna line applications. specification features: ? ultra low capacitance 3 pf ? low clamping v oltage ? stand ? of f voltage: 5 v ? low leakage ? response t ime is typically < 1.0 ns ? iec61000 ? 4 ? 2 level 4 esd protection ? this is a pb ? free device maximum ra tings rating symbol v alue unit iec 61000 ? 4 ? 2 (esd) contact air 10 15 kv t otal power dissipation on fr ? 5 board (note 1) @ t a = 25 c p d 200 mw storage t emperature range t stg ? 55 to +150 c junction t emperature range t j ? 55 to +150 c lead solder t emperature ? maximum (10 second duration) t l 260 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. 1. fr ? 5 = 1.0 x 0.75 x 0.62 in.
leshan radio comp any, ltd. rev.o 2/4 lesd8lm5.0ct5g electrical characteristics (t a = 25 c unless otherwise noted) 2. v br is measured with a pulse test current i t at an ambient temperature of 25 c. 3. surge current waveform per figure 4. 4. for test procedure see figures 3. figure 1. esd clamping voltage screenshot positive 8 kv contact per iec61000 ? 4 ? 2 figure 2. esd clamping voltage screenshot negative 8 kv contact per iec61000 ? 4 ? 2 device device marking v rw m (v) i r ( a) @ v rw m v br t (note 2) v c (v) pp (note 3) v c max max min max per iec61000 ? 4 ? 2 (note4) lesd8lm5.0ct5g 5.0 0.5 5.5 3 12.1 see below figures 1 a n d 2 u ty p max 2.5 i (v) @ = 2.5 a = 1 ma t p =8/20 s @ i pp i c (pf) (a) max 2.5 pp p (w) max 30 electrical characteristics (t a = 25 c unless otherwise noted) symbol parameter i pp maximum reverse peak pulse current v c clamping v oltage @ i pp v rw m w orking peak reverse voltage i r maximum reverse leakage current @ v rw m v br breakdown v oltage @ i t i t t est current p pk peak power dissipation c capacitance @ v r = 0 and f = 1.0 mhz bi ? directional tvs i pp i pp v i i r i t i t i r v rwm v c v br v rwm v c v br q 5
leshan radio comp any, ltd. rev.o 3/4 lesd8lm5.0ct5g iec 61000 ? 4 ? 2 spec. level t est voltage (kv) first peak current (a) current at 30 ns (a) current at 60 ns (a) 1 2 7.5 4 2 2 4 15 8 4 3 6 22.5 12 6 4 8 30 16 8 i peak 90% 10% iec61000 ? 4 ? 2 waveform 100% i @ 30 ns i @ 60 ns t p = 0.7 ns to 1 ns figure 3. iec61000 ? 4 ? 2 spec figure 4. 8 x 20 s pulse waveform 100 90 80 70 60 50 40 30 20 10 0 02 04 06 08 0 t, time ( s) % of peak pulse current t p t r pulse width (t p ) is defined as tha t point where the peak current decay = 8 s peak v alue i rs m @ 8 s half v alue i rs m /2 @ 20 s
leshan radio comp any, ltd. rev.o 4/4 sod882 unit:mm dimension outline: 0.50 lesd8lm5.0ct5g
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