sot-23 plastic-encapsulate diodes switching diode features z fast switching speed z for general purpose sw itching applications z high conductance marking: ka2 maximum ratings and electrical characteristics, single diode @t a =25 parameter symbol limit unit non-repetitive peak r everse v oltage v rm 100 v peak repetitive peak r everse v oltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 75 v rms reverse voltage v r(rms) 53 v forward continuous current i fm 300 ma average rectified output current i o 150 ma peak f orward s urge c urrent @t =1.0 s @ t =1.0s i fsm 2.0 1.0 a power dissipation pd 350 mw thermal resistance junction to ambient r ja 357 /w junction t emperature t j 150 storage t emperature t stg -5 5~+150 electrical ratings @ta =25 parameter symbol min typ max unit conditions reverse b reakdown v oltage v (br) 75 v i r =100 a v f1 0.715 v i f =1ma v f2 0.855 v i f =10ma v f3 1.0 v i f =50ma forward voltage v f4 1.25 v i f =150ma i r1 2.5 a v r =75v reverse current i r2 25 na v r =20v capacitance between terminals c t 2 pf v r =0v,f=1mhz reverse r ecovery t ime t rr 4 ns i f =i r =10ma irr=0.1xi r ,r l =100 ? sot-23 1 2 3 2012-12 willa s electronic corp. mm bd4148 z z
0 25 50 75 100 125 150 0 100 200 300 400 0.0 0.4 0.8 1.2 1.6 0.1 1 10 100 0 2 04 06 08 0 1 10 100 1000 0 5 10 15 20 1.0 1.1 1.2 1.3 1.4 typical characteristics power derating curve power dissipation p d (mw) ambient temperature t a ( ) 300 30 3 0.3 t a = 1 0 0 t a = 2 5 forward current i f (ma) forward voltage v f (v) 300 30 3 t a =100 t a =25 reverse current i r (na) reverse voltage v r (v) reverse characteristics t a =25 f=1mhz capacitance characteristics reverse voltage v r (v) capacitance between terminals c t (pf) sot-23 plastic-encapsulate diodes mm bd4148 2012-12 willas electronic corp.
outline drawing dimensions in inches and (millimeters) sot-23 rev.d .080(2.04) .070(1.78) .110(2.80) .083(2.10) .006(0.15)min. .008(0.20) .003(0.08) .055(1.40) .035(0.89) .020(0.50) .012(0.30) .004(0.10)max. .122(3.10) .106(2.70) .063(1.60) .047(1.20) sot-23 plastic-encapsulate diodes mm bd4148 2012-12 willas electronic corp.
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