dimensions in inches and (millimeters) ito-220ab features high efficiency, low vf high current capability high reliability high surge current capability low power loss. for use in low voltage, high frequency inventor, free wheeling, and polarity protection application mechanical data cases: ito-220ab molded plastic epoxy: ul 94v-0 rate flame retardant polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds .0.25?,(6.35mm) from case. weight: 2.24 grams mounting torque: 5 in ? 1bs. max. maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol sff 1601g sff 1602g sff 1603g sff 1604g sff 1605g sff 1606g sff 1607g sff 1608g units maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 500 600 v maximum rms voltage v rms 35 70 105 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 150 200 300 400 500 600 v maximum average forward rectified current @t c = 100 o c i (av) 16 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 125 a maximum instantaneous forward voltage @ 8.0a v f 0.975 1.3 1.7 v maximum dc reverse current @t a =25 o c at rated dc blocking voltage @ t a =100 o c i r 10 400 ua ua maximum reverse recovery time (note 1) trr 35 ns typical junction capacitance (note 2) cj 80 60 pf typical thermal resistance (note 3) r jc 1.5 o c/w operating temperature range t j -65 to +150 o c storage temperature range t stg -65 to +150 o c notes: 1. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 2. measured at 1 mhz and appli ed reverse voltage of 4.0 v d.c. 3. mounted on heatsink size of 3? x 5? x 0.25? al-plate. sff1601g-sff1608g isolated16.0amp. glass passivated supper fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
fig.6- reverse recovery time characteristic and test circuit diagram 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm ratings and characteristic curves (sff1601g thru sff1608g) fig.1- maximum forward current derating curve average forward current. (a) 0 50 100 150 0 4 8 12 16 20 case temperature. ( c) o fig.3- maximum non-repetitive forward surge current per leg peak forward surge current. (a) 1 2 5 10 20 100 50 150 120 90 60 30 0 number of cycles at 60hz 8.3ms single half sine wave jedec method tj=125 c 0 fig.5- typical forward characteristics per leg instantaneous forward current. (a) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.01 0.1 0.03 1 0.3 10 3 30 100 forward voltage. (v) sff1601g~sff1604g sff1607g~sff1608g sff1605g~SFF1606G tj=25 c pulse width=300 s 1% duty cycle o fig.4- typical junction capacitance per leg capacitance.(pf) 15 2 10 20 50 100 200 500 50 60 70 80 90 100 reverse voltage. (v) tj=25 c 0 sff1601g~sff1604g sff1605g~sff1608g 40 1000 fig.2- typical reverse characteristics 0 20 40 60 80 100 120 140 1000 0.1 1 10 100 percent of rated peak reverse voltage. (%) instantaneous reverse current .( a) tj=25 c 0 tj=100 c 0 tj=75 c 0 sff1601g-sff1608g isolated16.0amp. glass passivated supper fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
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