dimensions in inches and (millimeters) TO-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 case: TO-220AB molded plastic epoxy: ul 94v0 rate flame retardant polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds .16?,(4.06mm) from case 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 capacitive load, derate current by 20% type number symbol her 0801g her 0802g her 0803g her 0804g her 0805g her 0806g her 0807g her 0808g 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) 8.0 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 @ 4.0a v f 1.0 1.3 1.7 v maximum dc reverse current @ a =25 o c at rated dc blocking voltage @ t a =125 o c i r 10 400 ua ua maximum 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 3.0 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 4.0 v d.c. 3. mounted on heatsink size of 2 in x 3 in x 0.25 in al-plate.. her0801g-her0808g 8amp. glass passivated high efficient rectifiers http://www.luguang.cn mail:lge@luguang.cn
tj=75 c 0 tj=125 c 0 tj=25 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 (her0801g thru her0808g) fig.1- maximum forward current derating curve average forward current. (a) 0 50 100 150 0 2 4 6 8 10 lead temperature. ( c) o fig.3- maximum non-repetitive forward surge current peak forward surge current. (a) 1 2 5 10 20 100 50 50 25 125 100 75 150 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.5- typical forward characteristics 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 3 10 30 100 0.1 forward voltage. (v) her0801g ~her0804g her0805g her0806g~her0808g tj=25 c pulse width-300 s 1% duty cycle 0 fig.4- typical junction capacitance capacitance.(pf) 15 2 10 20 50 100 200 500 40 0 80 120 160 200 240 reverse voltage. (v) her0801g~her0805g her0806g~her0808g 1000 fig.2- typical reverse characteristics instantaneous reverse current .( a) 0 20 40 60 80 100 120 140 0.1 1 10 100 1000 percent of rated peak reverse voltage. (%) her0801g-her0808g 8amp. glass passivated high efficient rectifiers http://www.luguang.cn mail:lge@luguang.cn
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