ds30396 rev. 3 - 2 1 of 2 1N4148WT www.diodes.com diodes incorporated 1N4148WT surface mount fast switching diode case: sod-523, plastic plastic material - ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020a polarity: cathode band terminals: finish - matte tin (note 1) solderable per mil-std-202, method 208 marking: t4 weight: 0.002 grams (approx.) mechanical data b a c d g e cathode mark marking code t4 characteristic symbol value unit non-repetitive peak reverse voltage v rm 100 v reverse voltage v r 80 v rms reverse voltage v r(rms) 53 v forward continuous current i fm 250 ma average rectified output current i o 125 ma non-repetitive peak forward surge current @ t = 1.0 s @ t = 100ms i fsm 2.0 1.0 a power dissipation (note 2) p d 150 mw thermal resistance junction to ambient air (note 2) r ja 833 c/w operating and storage temperature range t j ,t stg -65 to +150 c maximum ratings @ t a = 25 c unless otherwise specified characteristic symbol min max unit test conditions reverse breakdown voltage (note 3) v (br)r 75 v i r = 1.0 a forward voltage v f 0.715 0.855 1.0 1.25 v i f = 1.0ma i f = 10ma i f = 50ma i f = 150ma peak reverse current (note 3) i r 1.0 50 30 25 a a a na v r = 75v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t 2.0 pf v r = 0, f = 1.0mhz reverse recovery time t rr 4.0 ns i f = i r = 10ma, i rr = 0.1 x i r ,r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified fast switching speed ultra-small surface mount package for general purpose switching applications high conductance lead free product note: 1. if lead-bearing terminal plating is required, please contact your diodes inc. sales representative for availability and minimum order details. 2. part mounted on fr-4 pc board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 3. short duration pulse test used to minimize self-heating effect. t c u d o r p w e n sod-523 dim min max a 1.50 1.70 b 1.10 1.30 c 0.25 0.35 d 0.70 0.90 e 0.10 0.20 g 0.50 0.70 all dimensions in mm features
ds30396 rev. 3 - 2 2 of 2 1N4148WT www.diodes.com 0 50 025 50 75 100 125 p,p o wer dissipati o n (mw) d t , ambient temperature ( c) a fig. 1 derating curve 100 200 150 150 0.1 1 0.01 0.001 0 1.5 1.0 0.5 i , instantaneous forward current (a) f v , instantaneous forward voltage (v) f fi g . 2 forward characteristics t = -40oc a t = 150oc a t = 75oc a t = 25oc a t = 0oc a 0.1 1 10 100 1000 10000 0 20 40 60 80 100 v , instantaneous reverse voltage (v) r fig. 3 typical reverse characteristics i,instantane o us reverse current (na) r t = -40oc a t = 25oc a t = 75oc a t = 125oc a t = 150oc a t = 0oc a t c u d o r p w e n notes: 4. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. ordering information (note 4) device packaging shipping 1N4148WT-7 sod-523 3000/tape & reel 0.0 0.2 0.4 0.6 0.8 1.8 1.6 1.4 1.2 1.0 2 . 0 0 10 20 40 30 c , total capacitance (pf) t v , reverse voltage (v) r fi g .4 t y pical capacitance vs. reverse volta g e f = 1.0mhz
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