sod-123 plastic-encapsulate diodes fast switching diode features marking: t5 & a3 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 500 ma average rectified output current i o 250 ma peak f orward s urge c urrent @t =1.0 s @ t =1.0s i fsm 4.0 1.5 a power dissipation pd 500 mw thermal resistance junction to ambient r ja 250 /w storage t emperature and junction temperature t stg /tj -5 5~+150 electrical ratings @ta =25 parameter symbol min typ max unit conditions reverse breakdown voltage v (br)r 75 v ir =10 a v f1 0.62 0.72 v i f =5ma v f2 0.855 v i f =10ma v f3 1.0 v i f =100ma forward v oltage v f4 1.25 v i f =150ma i r1 2.5 a v r =75v reverse c urrent i r2 25 na v r =20v capacitance b etween t erminals c t 4 pf v r =0v,f=1mhz reverse recovery time t rr 4 ns i f =i r =10ma irr=0.1xi r ,r l =100 ? sod-123 2012-1 willas electronic corp. 1N4448W z fast switching speed z surface mount package ideally suited for automatic insertion z for general purpose switching applications z high conductance z z z
0481 21 62 0 0.6 0.8 1.0 1.2 1.4 1.6 0 25 50 75 100 125 150 0 100 200 300 400 500 600 0.0 0.4 0.8 1.2 1.6 0.1 1 10 100 0 2 04 06 08 01 0 0 1 10 100 1000 10000 t a =25 f=1mhz capacitance characteristics reverse voltage v r (v) capacitance between terminals c t (pf) power derating curve power dissipation p d (mw) ambient temperature t a ( ) 0.3 3 30 300 3 30 300 3000 forward characteristics t a =1 0 0 t a = 2 5 forward current i f (ma) forward voltage v f (v) reverse characteristics typical characteristics t a =100 t a =25 reverse current i r (na) reverse voltage v r (v) 2012-1 willas electronic corp. sod-123 plastic-encapsulate diodes 1N4448W
outline drawing dimensions in inches and (millimeters) sod-123 rev.d .114(2.90) .098(2.50) .130(3.30) .154(3.90) .018(0.45) .071(1.80) .055(1.40) .018(0.45) .039(1.00) .008(0.20)max. .027(0.70) .053(1.35) .004(0.1)max. .010(0.25) .016(0.40)min. 2012-1 willas electronic corp. sod-123 plastic-encapsulate diodes 1N4448W
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