s m d e f f i c i e n t f a s t r e c o v e r y r e c t i f i e r s reverse v oltage: 50 to 600 v olts forward current: 3.0 amp rohs device page 1 rev :a 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 ef ficient. -built-in strain relief. -low forward voltage drop. mechanical data -case: jedec do-214ab, molded plastic. -t erminals: solderable per mil-std-750, method 2026. -polarity: color band denotes cathode end. -approx. weight: 0.21 grams cefc301-g thru. cefc305-g maximum ratings and electrical characteristics d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) d o - 2 1 4 a b ( s m c ) qw -be005 cefc301-g 2 no tes : 1. th erm al r esi sta nce fro m jun ctio n t o le ad mo unt ed on p .c. b. wit h 8 .0 8.0 m m cop per pa d a rea . comchip t echnology co., l td. 0.245(6.22) 0.220(5.59) 0.124(3.15) 0.108(2.75) 0.320(8.13) 0.305(7.75) 0.012(0.31) 0.006(0.15) 0.008(0.20) 0.004(0.10) 0.050(1.27) 0.030(0.76) 0.103(2.62) 0.079(2.00) 0.280(7.1 1) 0.260(6.60) max. repetitive peak reverse voltage max. dc blocking voltage max. rms voltage peak surge forward current, 8.3ms single half sine-wave superimposed on rate load (jedec method) max. average forward current max. instantaneous forward voltage at 3.0a reverse recovery time o max. dc reverse current at t a =25 c o rated dc blocking voltage t a =100 c max. thermal resistance (note 1) max. operating junction temperature storage temperature cefc302-g cefc303-g CEFC304-G cefc305-g units symbol parameter v rrm v dc v rms i fsm i o v f t rr i r r jl t j t stg 50 50 35 100 100 70 0.9 200 200 140 150 3.0 10 200 55 150 -55 to +150 400 400 280 1.3 600 600 420 1.7 75 v v v a a v ns a o c/w o c o c 50
qw -be005 ra ting and characteristic cur ves (cefc301-g thru cefc305-g) percent of rated peak reverse v oltage (%) 140 120 80 60 40 0 fig.1 reverse characteristics 0.01 0.1 1 10 100 r e v e r e u r r n ( ) s c e t a forward v oltage (v) 0 fig.2 forward characteristics 0.001 o w r d c r r e n ( a ) f r a u t 0.01 0.1 1 10 0.8 reverse v oltage (v) 0.1 fig.3 junction capacitance 2 j n t i n a p a c i a n c e ( p ) u c o c t f 100 200 1 10 100 number of cycles at 60hz fig.4 non-repetitive forward surge current 0 p e a k f o r w a r d s u r g e c u r r e n t a ) ( 40 60 100 comchip t echnology co., l td. page 2 rev :a 0.4 1.2 2.0 1.6 10 o t j =25 c f=1mhz and applied 4vdc reverse voltage 1 10 100 20 80 o t j =25 c 8.3ms single half sine wave, jedec method fig.5 t est circuit diagram and reverse recovery t ime characteristics 50 noninductive 10 noninductive (+) 25vdc (approx.) (-) d.u.t . 1 non- inductive oscillliscope (note 1) pulse genera tor (note 2) (+) (-) notes: 1. rise time=7ns max., input impedance=1 m , 22pf . 2. rise time=10ns max., input impedance=50 . trr set time base for 50 / 10ns / cm 1cm -1.0a -0.25a 0 +0.5a fig.6 current derating curve o ambient t emperature ( c) a v e r a g e f o r w a r d c u r r e n t ( a ) 0 50 25 75 100 150 125 175 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 single phase half wave 60hz s m d e f f i c i e n t f a s t r e c o v e r y r e c t i f i e r s o t j =125 c o t j =75 c o t j =25 c 20 100 cefc301-g~303-g CEFC304-G cefc305-g o t j =25 c pulse width 300 s 4% duty cycle
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