ll42 - LL43 schottky barrier diodes features : ? for general purpose applications. ? this diode features very low turn-on voltage and fast switching. this device is protected by a pn junction guard ring against excessive voltage, such as electrostatic discharges ? these diodes are also available in the do-35 case with type designations bat42 to bat43 ? pb / rohs free mechanical data : case: minimelf glass case ( sod-80c ) wei g ht: a pp rox. 0.05 g maximum ratin g s and thermal characteristics (rating at 25 c ambient temperature unless otherwise specified.) symbol value unit repetitive peak reverse voltage v rrm 30 v continuous forward current i f 200 (1) ma repetitive peak forward current at tp < 1s, i frm 500 (1) ma forward surge current at tp < 10 ms, i fsm 4 (1) a power dissipation ,ta = 65 c p d 200 (1) mw thermal resistance junction to ambient air r ja 300 (1) c/w junction temperature t j 125 c ambient operating temperature range ta -55 to + 125 c storage temperature range t s -65 to + 150 c note: (1) valid provided that electrodes are kept at ambient temperature electrical characteristics (t j = 25 c unless otherwise noted) parameter symbol min typ max unit reverse breakdown voltage v (br)r 30 - - v reverse current v r = 25 v - - 0.5 pulse test tp <300 s , <2% v r = 25 v , t j = 100 c - - 100 ll42 , LL43 i f = 200ma - - 1.00 forward voltage ll42 i f = 10ma - - 0.40 pulse test tp <300 s , <2% ll42 i f = 50ma - - 0.65 LL43 i f = 2ma 0.26 - 0.33 LL43 i f = 15ma - - 0.45 diode capacitance cd v r = 1v, f = 1mhz -7-pf i f = 10ma, i r = 10ma , to i r = 1ma, r l = 100 ? page 1 of 1 rev. 03 : may 8, 2006 -5ns reverse recovery time trr - i r a v f v parameter test condition i r = 100 a (pulsed) dimensions in inches and ( millimeters ) 0.142(3.6) 0.134(3.4) 0.063 (1.64) 0.055 (1.40) 0.019(0.48) 0.011(0.28) cathode mark minimelf (sod-80c) mounting pad layout 0.049 (1.25)min. 0.197 (5.00) ref 0.098 (2.50) max. 0.079 (2.00)min.
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