dimensions in inches and (millimeters) ito-220ab features glass passivated chip junction. high efficiency, low vf high current capability high reliability high surge current capability for use in low voltage, high frequency inventor, free wheeling, and polarity protection application. mechanical data cases: ito-220ab molded plastic epoxy: ul 94v0 rate flame retardant polarity: as marked high temperature soldering guaranteed: 260 o c/ 0.25? (6.35mm) from case for 10 seconds mounting torque: 5 in ? 1bs. max. weight: 2.24 grams 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 capac itive load, derate current by 20% type number symbol herf 1601g herf 1602g herf 1603g herf 1604g herf 1605g herf 1606g herf 1607g herf 1608g units maximum recurrent peak reverse voltage v rrm 50 100 200 300 400 600 800 1000 v maximum rms voltage v rms 35 70 140 210 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 300 400 600 800 1000 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 1.0 1.3 1.7 v maximum dc reverse current @t a =25 o c at rated dc blocking voltage @ t a =125 o c i r 10 400 ua ua typical reverse recovery time ( note 1 ) trr 50 80 ns typical junction capacitance ( note 2 ) cj 80 50 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 applied reverse voltage of 4.0v d.c. 3. mounted on heatsink size of 4 in x 6 in x 0.25 in al-plate. FERF1601G-ferf1608g isolated 16.0amp.glass passivated high efficient rectifiers http://www.luguang.cn mail:lge@luguang.cn
tj=25 c 0 tj=125 c 0 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 (herf1601g thru herf1608g) 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.4- typical junction capacitance per leg capacitance.(pf) 15 2 10 20 50 100 200 500 1000 40 0 80 120 160 200 240 reverse voltage. (v) herf1601g~herf1605g herf1606g~herf1608g tj=25 c 0 fig.2- typical reverse characteristics per leg instantaneous reverse current .( a) 20 40 60 80 100 120 140 0.1 1 10 100 1000 percent of rated peak reverse voltage. (%) 0 fig.3- maximum non-repetitive forward surge current per leg peak forward surge current. (a) 1 2 5 10 20 100 50 60 30 120 90 number of cycles at 60hz tj=25 c 0 8.3ms single half sine wave jedec method 0 150 fig.5- typical forward characteristics per leg instantaneous forward current. (a) 1.6 1.8 0.4 0.6 0.8 1.0 1.2 1.4 0.01 0.03 0.3 1.0 3.0 10 30 100 0.1 forward voltage. (v) herf1601g~herf1604g herf1605g herf1606g~herf1608g tj=25 c pulse width-300 s 1% duty cycle 0 FERF1601G-ferf1608g isolated 16.0amp.glass passivated high efficient rectifiers http://www.luguang.cn mail:lge@luguang.cn
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