leshan radio company, ltd. lmbz6v8alt1g?1/7 24 and 40 w att peak power zener transient voltage suppressors sot23 dual common anode zeners for esd protection these dual monolithic silicon zener diodes are designed for applications requiring transient overvoltage protection capability. they are intended for use in voltage and esd sensitive equipment such as computers, printers, business machines, communication systems, medical equipment and other applications. their dual junction common anode design protects two separate lines using only one package. these devices are ideal for situations where board space is at a premium. specification features: ? sot23 package allows either two separate unidirectional configurations or a single bidirectional configuration ? working peak reverse voltage range 3 v to 26 v ? standard zener breakdown voltage range 5.6 v to 33 v ? peak power 24 or 40 watts @ 1.0 ms (unidirectional), per figure 5. waveform ? esd rating of class n (exceeding 16 kv) per the human body model ? maximum clamping voltage @ peak pulse current ? low leakage < 5.0 m a ? flammability rating ul 94vo mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic case finish: corrosion resistant finish, easily solderable maximum case temperature for soldering purposes: 260 c for 10 seconds package designed for optimal automated board assembly small package size for high density applications available in 8 mm tape and reel use the device number to order the 7 inch/3,000 unit reel. replace the at1o with at3o in the device number to order the 13 inch/10,000 unit reel. device package shipping ordering information l mbz5v6a l t1g/t3g sot2 3 3000/10000 t ap e & reel l mbz6v2a l t1g/t3g sot23 3000/10000tape & reel l mbz6v8a l t1g/t3g sot2 3 3000/10000 t ape & reel l mbz10 v a l t1g/t3g sot23 l mbz12 v a l t1g/t3g sot2 3 l mbz15 v a l t1g/t3g sot23 l mbz18 v a l t1g/t3g sot2 3 l mbz20 v a l t1g/t3g sot23 l mbz27 v a l t1g/t3g sot2 3 l mbz33 v a l t1g/t3g sot2 3 see specific marking information in the device marking column of the table on page 3 of this data sheet. device marking information l mbz9v1a l t1g/t3g sot2 3 lmbz6v8alt1g series xxx marking diagram xxx = device code m = date code m 2.cathode 1.cathode 3.anode 1 3 2 sot?23 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel 3000/10000 t ape & reel we declare that the material of product compliance with rohs requirements. ?
unidirectional tvs i pp i f v i i r i t v rwm v c v br v f lmbz6v8alt1g series maximum ratings rating symbol value unit peak power dissipation @ 1.0 ms (note 1. ) l mbz5v6a l t1g thru l mbz10 v a l t1g @ t l 3 25 5 c l mbz12 v a l t1g thru l mbz33 v a l t1g p pk 24 40 watts total power dissipation on fr5 board (note 2.) @ t a = 25 5 c derate above 25 5 c 5 p d 5 225 1.8 5 mw 5 mw/ 5 c thermal resistance junction to ambient r q ja 556 5 c/w total power dissipation on alumina substrate (note 3.) @ t a = 25 5 c derate above 25 5 c 5 p d 5 300 2.4 5 mw mw/ 5 c thermal resistance junction to ambient r q ja 417 5 c/w junction and storage temperature range t j , t stg 55 to +150 5 c lead solder temperature maximum (10 second duration) t l 260 5 c 1. nonrepetitive current pulse per figure 5. and derate above t a = 25 5 c per figure 6. 2. fr5 = 1.0 x 0.75 x 0.62 in. 3. alumina = 0.4 x 0.3 x 0.024 in., 99.5% alumina *other voltages may be available upon request electrical characteristics (t a = 25 5 c unless otherwise noted) unidirectional (circuit tied to pins 1 and 3 or 2 and 3) 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 v br maximum temperature coefficient of v br i f forward current v f forward voltage @ i f z zt maximum zener impedance @ i zt i zk reverse current z zk maximum zener impedance @ i zk leshan radio company, ltd. lmbz6v8alt1g?2/7
lmbz6v8alt1g series electrical characteristics (t a = 25 5 c unless otherwise noted) unidirectional (circuit tied to pins 1 and 3 or pins 2 and 3) (v f = 0.9 v max @ i f = 10 ma) 24 watts i r @ breakdown voltage max zener impedance (note 5.) v c @ i pp (note 6.) device v rwm i r @ v rwm v br (note 4.) (v) @ i t z zt @ i zt z zk @ i zk v c i pp v br device device marking volts a min nom max ma w w ma v a mv/ c l mbz5v6a l t1g 5a6 3.0 5.0 5.32 5.6 5.88 20 11 1600 0.25 8.0 3.0 1.26 l mbz6v2a l t1g 6a2 3.0 0.5 5.89 6.2 6.51 1.0 8.7 2.76 2.80 (v f = 1.1 v max @ i f = 200 ma) breakdown voltage v c @ i pp (note 6.) device v rwm i r @ v rwm v br (note 4.) (v) @ i t v c i pp v br device device marking volts a min nom max ma v a mv/ c l mbz6v8a l t1g 6a8 4.5 0.5 6.46 6.8 7.14 1.0 9.6 2.5 3.4 l mbz9v1a l t1g 9a1 6.0 0.3 8.65 9.1 9.56 1.0 14 1.7 7.5 l mbz10 v a l t1g 10a 6.5 0.3 9.50 10 10.5 1.0 14.2 1.7 7.5 (v f = 1.1 v max @ i f = 200 ma) 40 watts breakdown voltage v c @ i pp (note 6.) device v rwm i r @ v rwm v br (note 4.) (v) @ i t v c i pp v br device device marking volts na min nom max ma v a mv/ c l mbz12 v a l t1g 12a 8.5 200 11.40 12 12.60 1.0 17 2.35 7.5 l mbz15 v a l t1g 15a 12 50 14.25 15 15.75 1.0 21 1.9 12.3 l mbz18 v a l t1g 18a 14.5 50 17.10 18 18.90 1.0 25 1.6 15.3 l mbz20 v a l t1g 20a 17 50 19.00 20 21.00 1.0 28 1.4 17.2 l mbz27 v a l t1g 27a 22 50 25.65 27 28.35 1.0 40 1.0 24.3 l mbz33 v a l t1g 33a 26 50 31.35 33 34.65 1.0 46 0.87 30.4 4. v br measured at pulse test current i t at an ambient temperature of 25 5 c. 5. z zt and z zk are measured by dividing the ac voltage drop across the device by the ac current applied. the specified limits are for i z(ac) = 0.1 i z(dc) , with the ac frequency = 1.0 khz. 6. surge current waveform per figure 5. and derate per figure 6. leshan radio company, ltd. lmbz6v8alt1g?3/7
lmbz6v8alt1g series typical characteristics -40 +50 18 breakdown voltage (volts) figure 1. typical breakdown voltage versus temperature (upper curve for each voltage is bidirectional mode, lower curve is unidirectional mode) 0 temperature ( 5 c) +100 +150 15 12 9 6 3 0 (v br @ i t ) -40 +25 1000 figure 2. typical leakage current versus temperature temperature ( 5 c) +85 +125 100 10 1 0.1 0.01 i r (na) figure 3. typical capacitance versus bias voltage (upper curve for each voltage is unidirectional mode, lower curve is bidirectional mode) 0 25 50 75 100 125 150 175 300 250 200 150 100 50 0 figure 4. steady state power derating curve p d , power dissipation (mw) temperature ( 5 c) fr-5 board alumina substrate 01 23 320 280 240 160 120 40 0 c, capacitance (pf) bias (v) 200 80 15 v 5.6 v leshan radio comp any , ltd. lmbz6v8alt1g?4/7
lmbz6v8alt1g series typical characteristics p 0.1 1 10 100 1000 1 10 100 power is defined as v rsm x i z (pk) where v rsm is the clamping voltage at i z (pk). pw, pulse width (ms) unidirectional rectangular waveform, t a = 25 5 c bidirectional pk peak surge power (w) l mbz5v6a l t1 figure 5. pulse waveform value (%) 100 50 0 01 2 34 t, time (ms) figure 6. pulse derating curve pulse width (t p ) is defined as that point where the peak current decays to 50% of i pp . half value?- i pp 2 t p t r 3 10 ? s peak value?-?i pp 100 90 80 70 60 50 40 30 20 10 0 0 25 50 75 100 125 150 175 200 t a , ambient temperature ( 5 c) figure 7. maximum nonrepetitive surge power, p pk versus pw peak pulse derating in % of peak power or current @ t a = 25 c 5 figure 8. maximum nonrepetitive surge power, p pk (nom) versus pw 0.1 1 10 100 1000 1 10 100 pw, pulse width (ms) p pk peak surge power (w) unidirectional rectangular waveform, t a = 25 5 c bidirectional l mbz5v6a l t1 power is defined as v z (nom) x i z (pk) where v z (nom) is the nominal zener voltage measured at the low test current used for voltage classification. unidirectional leshan radio company, ltd. lmbz6v8alt1g ?5/7
lmbz6v8alt1g series typica l common anode applic a tions a quad junction common anode design in a sot23 packag e protects four separate lines using only one package. this adds flexibility and creativity to pcb design especially whe n board space is at a premium. t wo simplified examples of tvs applications are illustrated belo w . lmbz5v6a l t1g thru lmbz33 v a l t1g keyboard terminal printer etc. functional decoder i/o a lmbz5v6a l t1g thru lmbz33 v a l t1g gnd computer interface protection b c d microprocessor protection i/o ram rom clock cpu contro l bus address bus d a t a bus gnd v gg v dd lmbz5v6a l t1g thru lmbz33 v a l t1g leshan radio company, ltd. lmbz6v8alt1g?6/7
d j k l a c b s h g v 1 2 mm inches 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 leshan radio company, ltd. n o t es : 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. i nch es m i ll i m e t e r s d i m m i n m a x m i n m a x a 0 . 1102 0 . 1197 2 . 80 3 . 04 b 0 . 0472 0 . 0551 1 . 20 1 . 40 c 0 . 0350 0 . 0440 0 . 89 1 . 11 d 0 . 0150 0 . 0200 0 . 37 0 . 50 g 0 . 0701 0 . 0807 1 . 78 2 . 04 h 0 . 0005 0 . 0040 0 . 013 0 . 100 j 0 . 0034 0 . 0070 0 . 085 0 . 177 k 0 . 0 1 4 0 0 . 0 2 85 0 . 35 0 . 6 9 l 0 . 0 350 0 . 0 401 0 . 89 1 . 02 s 0 . 0 830 0 . 1 039 2 . 10 2 . 64 v 0 . 0177 0 . 0236 0 . 45 0 . 60 p i n 1 . base 2 . e m i tt e r 3 . c o ll e c t o r 0.03 1 0. 8 sot-23 3 lmbz6v8alt1g series lmbz6v8alt1g - 7/7
reel dimensions metric dimensions govern ?? english are in parentheses for reference only embossed tape and reel data for discretes a t max outside dimension measured at edge g inside dimension measured near hub 20.2mm min (.795??) 1.5mm min (.06??) 13.0mm 0.5mm (.512 .002??) 50mm min (1.969??) full radius size a max g t max 8 mm 330mm (12.992??) 8.4mm+1.5mm, -0.0 (.33??+.059??, -0.00) 14.4mm (.56??) leshan radio comp any , ltd. storage conditions temperature: 5 to 40 deg.c (20 to 30 deg. c is preferred) humidity: 30 to 80 rh (40 to 60 is preferred ) recommended period: one year after manufacturing (this recommended period is for the soldering condition only. the characteristics and reliabilities of the products are not restricted to this limitation)
shi p ment s p ecification 10 reel 12 inner box/carton 360kpcs/carton dim(unit:mm) dim(unit:mm) 10reel/inner box 30kpcs/inner box label cpn label label label ????? leshan radi o com p an y, ltd. mark 195mm*195mm*150mm 460mm*400mm*420mm 8000pcs/reel (sot-723,sod-723) 3000pcs/reel 80kpcs/inner box (sot-723,sod-723) 960kpcs/carton (sot-723,sod-723) leshan radio comp any , ltd.
|
