features schottky diodes dimensions in inches and (millimeters) .016 (0.4) .056 (1.43 ) .037(0.95) .037(0.95) max. .004 (0.1) .122 (3.1) .016 (0.4) .016 (0.4) 3 12 top view .102 (2.6) .007 (0.175) .045 (1.15) .118 (3.0) .052 (1.33 ) .005 (0.125) .094 (2.4) .037 (0.95) case: sot-23 plastic package weight: approx. 0.008 g mechanical data maximum ratings and electrical characteristics for one diode ratings at 25 c ambient temperature unless otherwise specified sot-23 4/98 BAT54 thru BAT54s symbol value unit repetitive peak reverse voltage v rrm 30 v forward continuous current at t amb = 25 c i f 200 1) ma repetitive peak forward current at t amb = 25 c i frm 300 1) ma surge forward current at t p < 1 s, t amb = 25 c i fsm 600 1) ma junction temperature t j 150 c storage temperature range t s C65 to +150 c 1) device on fiberglass substrate, see layout. 1 3 2 1 3 2 BAT54s BAT54 marking: l44 1 3 2 top view 1 3 2 BAT54c BAT54a marking: l43 marking: l42 top view these diodes feature very low turn-on voltage and fast switching. these devices are protected by a pn junction guard ring against excessive voltage, such as electrostatic dis- charges. marking: l4
electrical characteristics ratings for one diode at 25 c ambient temperature unless otherwise specified BAT54 thru BAT54s symbol min. typ. max. unit reverse breakdown voltage tested with 100 m a pulses v (br)r 30CCv forward voltage pulse test t p < 300 m s, d < 2% at i f = 0.1 ma at i f = 1 ma at i f = 10 ma at i f = 30 ma at i f = 100 ma v f v f v f v f v f C C C C C C C C C C 240 320 400 500 1000 mv mv mv mv mv leakage current pulse test t p < 300 m s, d < 2% at v r = 25 v i r CC2 m a capacitance at v f = 1 v, f = 1 mhz c tot CC10pf reverse recovery time from i f = 10 ma through i r = 10 ma to i r = 1 ma, r l = 100 w t rr CC5ns thermal resistance junction to ambient air r thja C C 430 1) k/w 1) device on fiberglass substrate, see layout layout for r thja test thickness: fiberglass 0.059 in (1.5 mm) copper leads 0.012 in (0.3 mm) .59 (15) 0.2 (5) .03 (0.8) .30 (7.5) .12 (3) .04 (1) .06 (1.5) .20 (5.1) .08 (2) .08 (2) .04 (1) dimensions in inches (millimeters) .47 (12)
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