lesd8l3.3ct5g leshan radio company, ltd. transient voltage suppressors esd protection diodes with ultra ? low capacitance the esd8l 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 0.5 pf ? low clamping voltage ? small body outline dimensions: 0.039 x 0.024 (1.00 mm x 0.60 mm) ? low body height: 0.016 (0.4 mm) ? stand ? off voltage: 3.3 v ? low leakage ? response time is typically < 1.0 ns ? iec61000 ? 4 ? 2 level 4 esd protection ? this is a pb ? free device mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic epoxy meets ul 94 v ? 0 lead finish: 100% matte sn (tin) qualified max reflow temperature: device meets msl 1 requirements maximum ratings rating symbol value unit iec 61000 ? 4 ? 2 (esd) contact air 10 15 kv total power dissipation on fr ? 5 board (note 1) @ t a = 25 c p d 150 mw storage temperature range t stg ? 55 to +150 c junction temperature range t j ? 55 to +125 c lead solder temperature ? 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 th e recommended operating conditions is not implied. extended exposure to stre sses above the recommended operating conditions may affect device reliability . 1. fr ? 5 = 1.0 x 0.75 x 0.62 in. 260 c lesd8l3.3ct5g rev.o 1/4 12 sod882 1 2 ordering information lesd8l3.3ct5g s 10000/tape&reel device marking shipping lesd8l3.3ct1g s 5000/tape&reel lesd8l3.3ct3g s 8000/tape&reel
leshan radio company, ltd. lesd8l3.3ct5g electrical characteristics (t a = 25 c unless otherwise noted, v f = 1.0 v max. @ i f = 10 ma for all types) device device marking v rwm (v) i r ( a) @ v rwm v br (v) @ i t (note 2) i t c (pf) v c (v) @ i pp = 1 a (note 3) v c max max min ma typ max max per iec61000 ? 4 ? 2 (note 4) lesd8l3.3ct5g s 3.3 1.0 4.8 1.0 0.5 0.9 10 figures 1 and 2 see below 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 5. 4. for test procedure see figures 3 and 4 and application note and8307/d. rev.o 2/4 electrical characteristics (t a = 25 c unless otherwise noted) symbol parameter i pp maximum reverse peak pulse current v c clamping voltage @ i pp v rwm working peak reverse voltage i r maximum reverse leakage current @ v rwm v br breakdown voltage @ i t i t test current i f forward current v f forward voltage @ i f p pk peak power dissipation c capacitance @ v r = 0 and f = 1.0 mhz *see application note and8308/d for detailed explanations of datasheet parameters. 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 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
iec 61000 ? 4 ? 2 spec. level test 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. diagram of esd test setup 50 50 cable tvs oscilloscope esd gun
leshan radio company, ltd. lesd8l3.3ct5g rev.o 4/4 sod882 unit:mm dimension outline:
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