1 2 4.597 3.988 5.283 4.775 2.896 2.489 1.575 1.397 3.93 3.73 2.38 2.18 5.49 5.29 1.47 1.67 1.524 0.762 0.203 0.051 0.305 0.152 recommended land pattern do-214ac(sma) unit: mm 1.981 2.438 features for surface m ounted app licat ions in orde r to optim ize boa rd space. low profile pack age built-in s train relief glass pass ivated junction ex cellent clam ping capability low inductanc e absolute ma xim um ratings t a = 25 param eter sym bol ratings units peak p ow er dissi pation at t a =25 , t p =1m s (note 1,2,5) p ppm min im um 400 w steady stat e pow er dissi pation (note 3) p m(av ) 1 w peak f orw ard surge curre nt (note 4) i fsm 40 a peak p ulse curren t current on 10/1000 s w ave form (no te 1,2, 5) i ppm see table a opera ting and st orag e tem pera ture rang e t j , t stg -55 to +150 ele ctric al characteristics t a = 2 5 rev erse stand-off v oltage test cur rent rev erse leakage ma x . clamp voltage peak pulse cur rent min . ma x . v v v m a a v a P4SMAJ12A 12 13.3 15.3 1.0 5 19.9 20.1 notes: 1. non -re petitive current pulse and dera ted abov e t a = 25 2. mo unted on 5.0mm 2 c oppe r pad to each term inal. 3. lead tem pera ture at 75 . 4. 8.3m s single half sine-w ave , duty c ycle= 4 pulses per mi nutes m ax im um . 5. peak plus e pow er w ave form is 10/1000 s. part num ber i r @ v rw m breakdow n voltage v br @ i t v rw m i pp v c @ i pp i t mark ing mar king ie p4 sm a j1 2a product specification sales@twtysemi.com 1 of 2 http://www.twtysemi.com 4008-318-123
100 10 1.0 0.1 0.1us 1.0ms 10ms p , peak pulse power, kw ppm peak pulse power (p ) or current(i ) derating in percentage% pp pp 100 75 50 25 0 125 150 175 200 25 50 75 100 0 1.0us 10us 100us mounted on 5.0mm copper land areas non-repetitve pulse wavefom shown in flgure3 ta=25 c i , peak pulse current-% ppm 01.02.0 3.0 4.0 0 50 100 150 ta=25 c pulse width (td) is defined as the point where the peak current decays to 50% of ipp tf=10 u sec 10/1000 u sec waveform as defined bye r.e.a. peak value ippm half value-ipp 2 e-kt td 50 40 30 20 10 2 4 10 20 40 100 0 1 i ,peak forware surge current, amperes fsm t=tmax 8.3ms single half since-wave jedec method jj a cj,capacitance,pf 1.0 2.0 5.0 10 20 50 100 200 measured at zero bias measured at stand-off voltahe(v ) mw tj=25 c f=1.0mhz vsig=50mvp-p 10,000 1,000 100 10 t , ambient temperature ( ) t ,pulse width p t,time (ms) t , lead temperature, c l v( ), breakdown voltage, volts br figure 1,peak pulse power rating curve figure 2,derating curve figure 3,pulse waveform figure 4,maximum non-repetitive peak foward surge current figure 5,typical capacitance t y pical ch aracteristics p4 sm a j1 2a product specification sales@twtysemi.com 2 of 2 http://www.twtysemi.com 4008-318-123
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