pa ra m et er maximum rms voltage maximum dc blocking voltage maximum average forward rectified current @t a =25c maximum instantaneous forward voltage at current specified maximum reverse current dc operating temperature range storage temperature range maximum reverse recovery time (note 1) 50 35 50 v rrm v rms v dc i (a v) v f i r t rr t j t stg 3.0 5.0 -55 ~ +150 -55 ~ +150 v v v a ns c c maximum repetitive peak reverse voltage @i t = 5 a notes: 1. r test conditions: i f =0.5a, i r =1.0a, i rr =0.25a(rgi circuit) everse recovery d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) d o - 2 7 features -glass passivated chip. -high speed switching. -low forward voltage. mechanical data -case: jedec do-27 molded plastic. -polarity: color band denotes cathode end. -lead: solderable per mil-std- 202, method 208 guaranteed. -mounting position: any -w eight: 0.844 grams 100 70 100 200 140 200 400 280 400 600 420 600 800 560 800 page 1 comchip t echnology co., l td. 0 . 3 7 5 ( 9 . 5 3 ) 1 . 0 0 0 ( 2 5 . 4 0 ) m i n . 0. 20 9( 5. 30 ) d ia . 0.0 51 (1 .30 ) d ia . 0.0 47 (1 .19 ) d ia . 0. 18 9( 4. 79 ) d ia . 0 . 2 8 5 ( 7 . 2 4 ) 1 . 0 0 0 ( 2 5 . 4 0 ) m i n . 1.0 1.7 50 75 -epoxy: ul retardant. 94v -0 rate flame 1000 700 1000 300 210 300 1.3 a v -high reliability . -high surge current capability . sy m bo l un it her 301 g-g her 302 g-g her 303 g-g her 304 g-g her 305 g-g her 306 g-g her 307 g-g her 308 g-g her30 1g-g th ru. her 308g-g high efficiency rectifiers v oltage: 50 to 1000 v current: 3.0 a rohs device maximum ratings and electrical characteristics ratings at 25c ambient temperature unless otherwise specified. single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. rev :a qw -bu012
page 2 comchip t echnology co., l td. rating and characteristic curves (her 301g-g thru. her308g-g) fig.3 - peak forward surge current 0 p e a k f o r w a r d s u r g e c u r r e n t , ( a ) number of cycles at 60hz 1 fig.1 - forward current derating curve a v e r a g e f o r w a r d c u r r e n t , ( a ) ambient t emperature, (c) 0 2 5 7 5 1 7 5 0 1 . 5 2 . 5 1 0 0 1 8 0 3 . 0 fig.2 - t ypical forward characteristics 0 . 1 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 ) instantaneous forward v oltage, (v) 1 0 1 0 0 1 . 0 1 0 0 1 2 5 1 . 0 2 . 0 5 0 1 5 0 0 . 5 1 0 3 0 1 5 0 2 0 . 4 0 . 8 1 . 0 1 . 6 0 . 2 1 . 2 0 . 6 single phase half wave resistive or inductive load 1 2 0 single half-sine-wave 1 . 8 1 . 4 her301g-g to her304g-g t j = 25c pulse width = 300us pulse width 8.3 ms 6 0 9 0 her305g-g her306g-g to her308g-g fig.4 - t ypical junction capacitance 1 0 c a p a c i t a n c e , ( p f ) reverse v oltage, (v) 1 0 1 0 0 1 0 0 1 1 t j = 25c , f = 1mhz her301g-g to her305g-g her306g-g to her308g-g rev :a high efficiency rectifiers qw -bu012
page 3 comchip t echnology co., l td. b t aping specification for axial lead diodes l 1 l 2 e a z t e 90 5 l h w d d d o d 1 w 0 l 1 0 . 0 3 9 ( m a x ) 1 . 0 0 ( m a x ) l 2 0 . 0 3 9 ( m a x ) 1 . 0 0 ( m a x ) b z t e 1 0 . 0 0 0 . 5 0 5 2 . 0 0 0 . 5 0 6 . 0 0 0 . 4 0 1 . 2 0 ( m a x ) 1 . 0 0 ( m a x ) 2 . 0 4 7 0 . 0 2 0 0 . 3 9 4 0 . 0 2 0 0 . 0 4 7 ( m a x ) 0 . 2 3 6 0 . 0 1 6 0 . 0 3 9 ( m a x ) a s y m b o l ( m m ) ( i n c h ) d o - 2 7 l w h 7 5 . 0 0 2 . 9 5 3 1 4 5 . 0 0 5 . 7 0 9 2 6 0 . 0 0 1 0 . 2 3 6 d 3 3 0 . 0 0 1 3 . 0 0 0 d 1 d 0 8 5 . 7 0 0 . 3 0 3 . 3 7 4 0 . 0 1 2 1 6 . 6 0 0 . 4 0 0 . 6 5 4 0 . 0 1 6 w 0 7 2 . 0 0 3 . 0 0 2 . 8 3 5 0 . 1 1 8 ( i n c h ) ( m m ) d o - 2 7 s y m b o l rev :a high efficiency rectifiers qw -bu012
page 4 comchip t echnology co., l td. xxx = product type marking code standard packaging marking code marking code her301g her302g her303g her304g her305g her306g her307g her308g her301g her302g her303g her304g her305g her306g her307g her308g her301g her302g her303g her304g her305g her306g her307g her308g part number her301gb -g her302gb -g her303gb -g her304gb -g her305gb -g her306gb -g her307gb -g her308gb-g her301gt -g her302gt -g her303gt -g her304gt -g her305gt -g her306gt -g her307gt -g her308gt -g her301ga -g her302ga -g her303ga -g her304ga -g her305ga -g her306ga -g her307ga -g her308ga-g packaging ammo ammo ammo ammo ammo ammo ammo ammo bulk bulk bulk bulk bulk bulk bulk bulk reel reel reel reel reel reel reel reel 1) suf fix code after part number to specify packaging item . note: p a c k a g in g a m m o p a c k b u l k p a c k c o d e a b r e e l p a c k t c a s e t y p e d o - 2 7 1 , 2 0 0 b o x ( p c s ) a m m o p a c k c a r t o n ( p c s ) 1 2 , 0 0 0 c a s e t y p e d o - 2 7 2 0 0 b o x ( p c s ) 5 0 0 b u l k p a c k c a r t o n ( p c s ) 1 0 , 0 0 0 1 2 , 0 0 0 c a s e t y p e d o - 2 7 1 , 2 0 0 r e e l ( p c s ) r e e l p a c k reel size (inch) 1 3 rev :a high efficiency rectifiers qw -bu012 h e r x x x g
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