her151g thru her158g 1.5 amp glass passiv ated high efficiency rectifiers maximum ratings and electrical chara cteristics rating 25 c ambient temperature uniess otherwies specified. single phase half wave, 60hz, resistive or inductive load.for capacitive load, derate current by 20%. type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage fea tures mechanical da t a v * low forward voltage drop * high current capability * high reliability * high surge current capability * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: axial leads, solderable per mil-std-202, method 208 guranteed * polarity: color band denotes cathode end * mounting position: any weight: 0.40 grams * vol t age range 50 to 1000 volts current 1.5 ampere 50 100 200 300 400 600 800 1000 50 100 200 300 400 600 800 1000 35 70 140 210 280 420 560 700 v v * high speed switching dimensions in inches and (millimeters) do-15 1.0(25.4) min. 1.0(25.4) min. .300(7.6) .230(5.8) .034(.9) .028(.7) dia. .140(3.6) .104(2.6) dia. her151g her152g her153g HER154G her155g her156g her157g her158g units maximum average forward rectified current .375"(9.5mm) lead length at ta=55 c peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous forward voltage at 1.5a maximum dc reverse current ta=25 c at rated dc blocking voltage t a=100 c maximum reverse recovery time (note 1) typical junction capacitance (note 2) 1.5 1.0 1.3 1.7 50 5.0 100 50 75 50 30 -65 +150 -65 +150 notes: 1. reverse recovery time test condition: if=0.5a, ir=1.0a, irr=0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. operating temperature range t j a a v ns pf c c storage temperature range t stg a a
.4 .6 .8 1.0 1.2 1.4 .001 .01 .1 1.0 10 rating and characteristic curves (her151g thru her158g) fig.1-typical forward characteristics fig.4-maximum non-repetitive forward surge current p e a k f o r w a a r d s u r g e c u r r e n t , ( a ) fig.5-typical junction capacit ance i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) forward volt age,(v) pulse width 300us 1% duty cycle 0 10 20 40 50 30 (+) (+) 25vdc (approx.) ( ) ( ) pulse generator (note 2) oscilliscope (note 1) 1 non-inductive w notes: 1. rise time= 7ns max., input impedance= 1 megohm.22pf. 2. rise time= 10ns max., source impedance= 50 ohms. +0.5a 0 -0.25a -1.0a | || | | | | | 1cm set time base for 50 / 10ns / cm trr d.u.t. fig.3- test circuit diagram and reverse recovery time characteristics 10 noninductive 50 noninductive w w tj=25 c 1.6 1.8 he r1 56 g ~h er 15 8g h e r 1 5 5 g h e r 1 5 1 g ~ h e r 1 5 4 g number of cycles at 60hz 1 10 5 50 100 tj=25 c 8.3ms single half sine wave jedec method fig.2-typical forward current a v e r a g e f o r w a r d c u r r e n t , ( a ) 0.3 0.6 0.9 1.2 1.5 1.8 single phase half wave 60hz resistive or inductive load 0.375"(9.5mm) lead length derating curve ambient temperature ( c) 0 0 25 50 75 100 125 150 175 reverse voltage,(v) j u n c t i o n c a p a c i t a n c e , ( p f ) 175 150 125 100 75 50 25 0 .01 .05 .1 .5 1 5 10 50 100 her151g ~her155 g her156g ~her158 g
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