reverse v oltage: 50 - 400 volts forward current: 2.0 amp cef a201 thru cef a203 www.com chip.co m.tw c o m c h ip c o m c h ip maximum ratings and electrical characterics mds0301003a page 1 smd ef ficient fast recovery rectifier smd ef ficient fast recovery rectifier parameter max. repetitive peak reverse voltage max. dc blocking voltage max. rms v oltage peak surge forward current 8.3ms single half sine-wave superimposed on rate load ( jedec method ) max. average forward current max. instantaneous forward current at 1.0 a reverse recovery timemax. dc reverse current at rated dc blocking voltage ta=25 ta=100 max. thermal resistance (note 1) operating junction t emperature storage t emperature symbol v rrm v dc v rms i fsm i o v f trr i r r jl t j t stg unit v v v a a v ns ua note 1: thermal resistance from junction to lead p .c.b. mounted on 8.0x8.0 mm copper pad areas. cefa cef a cefa 201 202 203 50 5035 100 100 70 2.0 -55 to +150 20 5.0 250 -55 to +150 200 200140 c/w c c c c features ideal for surface mount applications easy pick and place plastic package has underwriters lab. flammability classification 94v-0 super fast recovery time for high efficient built-in strain relief low forward voltage drop mechanical data case: jedec do-214ac molded plastic t erminals: solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any approx. weight:0.063 gram 50 dim en sio ns i n in che s an d (m illim ete rs) 0.0 08 (0 .20 ) 0.0 04 (0 .10 ) 0.0 67 (1. 70 ) 0.0 51 (1. 29 ) 0.0 91 (2. 31 ) 0.0 67 (1. 70 ) 0.0 59 (1. 50 ) 0.0 35 (0. 89 ) 0.11 0(2 .79 ) 0.0 86 (2. 18 ) 0.1 80 (4. 57 ) 0.1 60 (4. 06 ) 0.0 12 (0. 31 ) 0.0 06 (0. 15 ) 0.2 09 (5. 31 ) 0.1 85 (4. 70 ) do-214ac (sma) 0.92 25
www.com chip.co m.tw c o m c h ip c o m c h ip smd ef ficient fast recovery rectifier smd ef ficient fast recovery rectifier rating and characteristic curves (CEFA201 thru cef a203) f o r w a r d c u r r e n t ( a ) forw ard vol tage ( v) fig.2 - fo rward c harac terist ics mds0301003a page 2 0 0 .2 0 .4 0 .6 0 .8 1 .0 1 .2 1 .4 1 .6 1 .8 2 .0 p e a k s u r g e f o r w a r d c u r r e n t ( a ) fig. 4 - non re petiti ve forw ard su rge cur rent number of cycles at 60hz fig. 5 - test circuit di agram a nd reve rse rec overy tim e chara cteris tics (+ ) (+ ) 25 v dc (a pp ro x. ) ( ) ( ) p u ls e g e n e r at o r (n o te 2 ) o s c il li s c o p e (n o te 1 ) 1 n o n - in d u c ti v e w n o te s: 1 . r is e tim e= 7 ns m ax ., in pu t i m pe da nc e= 1 m eg oh m .2 2p f. 2 . r is e tim e= 1 0n s m ax ., so ur ce im pe da nc e= 5 0 oh m s. +0 .5a 0 -0. 25a -1. 0a | || | | | | | 1cm se t t ime ba se fo r 50 / 1 0n s / cm trr d .u .t. 10 n o n in d u c ti v e 50 n o n in d u c ti v e w w 0 10 20 50 40 30 1 5 10 50 1 00 1 0 1. 0 0 .1 0. 01 0.0 01 0 20 40 60 80 100 120 140 100 10 1.0 0.1 0. 01 percent of rated peak reverse v oltage (%) r e v e r s e c u r r e n t ( u a ) fig. 1 - reve rse cha racter istics tj=25 c tj=125 c tj=25 c pulse width 300us4% duty cycle tj=25 c 8.3ms single half sine wave jedec methode tj=75 c s in gl e p ha se h al f w av e 60 h z 0 25 50 75 100 125 150 175 2.8 2.42.0 1.6 1.2 0.8 0.4 0 fig. 3 - curr ent der ating cu rve a v e r a g e f o r w a r d c u r r e n t ( a ) ambient t emperature ( c)
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