- 290 - .412(10.5) max .185(4.70) .175(4.44) .055(1.40) .045(1.14) .27(6.86) .23(5.84) .11(2.79) .10(2.54) .025(0.64) .014(0.35) .154(3.91) .148(3.74) dia pin1 2 .113(2.87) .103(2.62) .16(4.06) .14(3.56) .037(0.94) .027(0.68) .205(5.20) .195(4.95) .594(15.1) .587(14.9) .56(14.22) .53(13.46) pin 1 pin 2 case positive case hera801g thru hera808g 8.0 amps. glass passivated high efficient rectifiers voltage range 50 to 1000 volts current 8.0 amperes features low forward voltage drop high current capab ility high reliability high surge current capab ility mechanical data cases: molded plastic epoxy: ul 94v-o rate flame retardant terminals: leads solderable per mil- std-202, method 208 guaranteed polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds .16?,(4.06mm) from case. weight: 2.24 grams to-220a dimensions in inches and (millimeters) maximum rating and electrical characteristics rating at 25 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 hera 801g hera 802g hera 803g hera 804g hera 805g hera 806g hera 807g hera 808g 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 .375?(9.5mm) lead length @t c =100 i (av) 8.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 150 a maximum instantaneous forward voltage @8.0a v f 1.0 1.3 1.7 v maximum dc reverse current @ t a =25 at rated dc blocking voltage @ t a =125 i r 10.0 400 ua ua maximum reverse recover y time ( note 1 ) trr 50 80 ns typical junction capacitance ( note 2 ) cj 65 55 pf typical thermal resistance (note 3) r jc 2.0 / w operating temperature range t j -65 to +150 storage temperature range t stg -65 to +150 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 2 in x 3 in x 0.25 in al-plate.
- 291 - fig.1- 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 (hera801g thru hera808g) fig.2- maximum forward current derating curve average for ward current . (a) 0 50 100 150 0 4 8 12 16 20 case temperature. ( c) o fig.3- 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. (%) tj=25 c 0 tj=125 c 0 fig.4- maximum non-repetitive forward surge current peak for ward surge current . (a) 1 2 5 10 20 100 50 60 30 120 90 150 number of cycles at 60hz 8.3ms single half sine wave jedec method fig.5- typical junction capacitance capacitance.(pf) 15 2 10 20 50 100 200 500 30 0 60 90 120 150 reverse voltage. (v) hera801g~hera805g HERA806G~hera808g fig.6- typical forward characteristics instantaneous for ward current . (a) 1.6 1.8 .4 .6 .8 1.0 1.2 1.4 .01 0.03 0.3 1.0 3.0 10 30 100 0.1 forward voltage. (v) hera801g~hera804g h e r a 8 0 5 g HERA806G~hera808g
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