p roduct d a t a s h ee t 320 s m d m i c r o p r of i l e s m d li n e m a t ch i n g t r a n s f o r mer f eat u r es a p p li cat i on s ? ? ? ? ? ? s u r f a c e m o u n t lead-free (pb-free) rohs compliant 7mm seated height iec 60950 and ul 60950 certified ul recognized component ? ? ? t e l e c o m m un ic a t i on s portable computers fax/modems 32 0 s md i s a m i cr op r o f il e t r an s f o r m er f or 3 20s m d i s c e r t i f i ed to i e c 609 5 0 and ul 6 0 950, and is a ul recognized component. the part i s completely lead-free, compliant with roh s directive 2002/95/ec, and suitable for lead-fr ee and conventional processing. ap p li c a t i ons w h e r e h i gh p e r f o r m an c e and s a f e t y isolation to international standards are required i n an extremely small case size. de s i g n ed s pe c i f i c a l l y as a s u r f a c e m ount de vi c e , the 320smd features a 7mm seated height and i s vacuum encapsulated. e 203175 e t a ld o c 1037/1 p a g e 1 of 4 description october 2012
320 s m d e l ec t r i cal a t t = 2 5 c a nd w i t h 6 0 0 s ou rc e and l o ad u n l e s s ot h e r w i s e s ta t ed. c lu m ped eq u i v a l ent c i rc u i t p a r a m ete r s as f i g. 1 dc p n ot es: 1. t h i r d ha r m on i c t y p i c a l l y e xc eeds other e q u i v a l e n t f i g 1 c i r c u i t ha r m on i c s b y 2 0 d b . components 100% tested at 6.5 kvdc. caution: do not pass dc through windings. at signal levels greater than 100mv, lp will increase and rp will decrease slightly but the effect is usually favourable excludes shipping materials. components ar e dry-packed and sealed as shipped. handle in accordance with ipc/jedec j-std-033 procedure for components classified as ipc/jedec j-std-020 moisture sensitivity level 5a. 2. 3. 4. i d e a l 1:1 5. e t a ld o c 1037/1 e t a ld o c 8 9 4/3 p a g e 2 of 4 october 2012 m a y 2 0 09 dc resistance (3) leakage inductance, l shunt inductance, lp (4) shunt loss, rp (4) primary resistance r secondary resistance r dcs 300hz 25mv 300hz 25mv 64 64 - 1.6 5.0 75 75 3.5 - - 86 86 7.0 - - mh h k parameter conditions min typ max units insertion loss frequency response return loss harmonic distortion (1) voltage isolation (2) operating range: functional storage (5) f = 1khz 300hz ? 3.4khz circuit figure 2 200hz ? 4khz 400hz, -10dbm on primary 50hz/60hz dc - - 20 - 3.88 5.5 -25 -40 - - - -78 - - - - 2.0 0.1 - -62 - - +80 +125 db db db dbc kvrms kv c specifications
320 s m d f i g 2 t y p i c a l pcb pad l a y o u t f i g 4 2.54 2.54 di m e n s i o n s f i g 3 (0.1) ( 0.1 ) 6 5 4 13.0 ma x ( 0.51 ) e 3 14.00 1 2 3 9.0 ma x ( 0.36 ) 7.0 ma x ( 0.28 ) 1.77 ( 0.07 ) 1.5 ( 0.06 ) 1.32 ( 0.052 ) t e r m i n a l s e l e c t r o p l a t e d p u r e tin (sn) 5m m i n i m u m o v e r ni ba rr i e r . j e s d 97 c a t e g o r y = e 3. d i m en s i ons s h o w n a r e i n m illi m et r es ( i n c he s) . geometric centres of outline and pin grid coincide within a tolerance circle of 0.3mm? . windings may be used interchangeably as primary or secondary. e t a ld o c 1037/1 e t a ld o c 8 9 4/3 p a g e 3 of 4 october 2012 m a y 2 0 09 1.50 2.54 9 . 0 0 construction reference circuit
320 s m d ( rat i n gs of c o m ponents i nd epe n de n t of c i rc u i t ) . ce r t i f i ed u nder t h e i e c c b s c he m e ( ce r t i f i c ate dk-15467) to iec 60950-1:2005 sub-clauses 1.5, 1.7, 2.9, 2.10, 4.7 and 5.2 (denmark , finland, germany, norway, ireland, kor ea, spain, sweden, switzerland, usa, canada an d uk national deviations) for a maximum worki ng voltage of 250vrms, nominal mains supply voltage not exceeding 250vrms and a maximum operating temperature of +80 c in pollution degree 2 environment, reinforced insulation. s ho r t te r m i s o l at i on v o l ta g e ( 2 s ) 4.6 k v r m s , 6.5kvdc dc c u rr ent (avoiding distortion impairment) storage temperature 10 0 a -40 c to +125 c s o l de ri ng t e m pe r atu r e profile peak 260 c 10s re c o m m ended peak bo d y te m pe r atu r e 24 5 c accordance with ipc/jedec j-std-020. i n r e c o gn i z e d und e r th e c o m p onen t r e c o gn i t i o n p r o g r a m o f und e r w r i t e r s lab o r a t o r i e s i n c . t o u s an d c anad i a n r equ i r e m e n t s c a n/c s a c2 2 . 2 no . 60950 - 1 / ul6095 0 - 1 , s e c on d edition, based on iec 60950-1, second edition , maximum working voltage 250vrms, pollutio n degree 2, reinforced insulation. manu f a c tu r e d f r o m m a te r i a l s c on f o r m i ng to f l a m m ab ili t y r e qu i r e m ents of ul94 v - 0. distance through reinforced insulation 0. 4mm minimum. construction complies with iec 60950-1, second ul fi l e n u m ber e 20 3 1 7 5. a d d i t i o n a ll y , e t a l c e r t i f i e s a l l t r an s f o r m e r s a s providing voltage isolation of 3.88kvrms, 5.5k v dc minimum. all shipments are supported by a certificate of conformity to current applicabl e safety standards. e d i t i o n, r e i n f o rc ed working voltage. i n s u l at i on, 2 5 0 v r m s m a x i m u m 320smd oo t r = t ape and re e l (blank) = bulk in tubes. ca rr i er t a pe w i d t h 2 4 m m , 500 parts per 13? reel. b r i t i s h p ate n t no. 2 2 83 1 95 us patent no. 5879598 european patent no. 0725719 ? 199 7 - 200 9 e t a l gr oup ab . reproduction prohibited. e 203175 e t a l gr oup a b , b ox 39, s e - 162 11 v ? l l i n g b y , s we de n t e l eph o ne: + 4 6 ( 0 ) 8 7 59 35 00 website: www.etalgroup.com f a x : + 4 6 ( 0 ) 8 7 59 3 540 email: info.se@etalgroup.com e t a ld o c 1037/1 e t a ld o c 8 9 4/3 p a g e 4 of 4 october 2012 m a y 2 0 09 co p y right ord e ring code s a f e t y c e rtifi c a tion a b s olute m a x i m u m r a tings etal group ab i s the owner of the de s i g n ri ght under the copyright designs and patents ac t 1988 and no rights or licences are hereby grante d or implied to any third party. etal is the trade mark of etal group ab (wholly owned by kamic group). the tr ade mark etal is registered at the uk tr ade marks registry.
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