LS4148 1n4148 quadro melf signal diode absolute maximum ratings (ta=25 c) items s y mbol ratings unit reverse voltage vr 75 v reverse recovery time trr 4 ns power dissipation 3.33mw/ c ( 25 c ) p 500 mw forward current if 150 ma junction temp. tj -65 to 175 c storage temp. tstg -65 to 175 c mechanical data items materials package q uadro melf case hermetically sealed glass lead/finish double stud/solder plating chip glass passivated electrical characteristics (ta=25 c) ratings symbol ratings unit minimum breakdown voltage @ir= 100ua bv 100 v peak forward surge current tp= 1 m sec. ifsurge 2 a maximum forward voltage if= 10ma vf 1.0 v maximum reverse current vr= 20v vr= 75v vr= 20v, tj= 150 c ir 0.025 5.0 50 ua maximum junction capacitance vr= 0, f= 1 mhz cj 4 pf maximum reverse recovery time if= 10ma, vr= 6v, irr= 1ma, rl= 100 w trr 4 ns maximum thermal resistance (on pc board 50mm x 50mm x 1.6mm) r q ja 500 c/w maximum rectification efficiency vrf= 2v, f= 100mhz hn 0.45 % ordau qordauq ordauq ordau qordauq flem dimensions in millimeters 1.7 3.5 +/- 0.2 1.5 +/-0.1 glass glass cathode identification
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