lead-free green ds30395 rev. 5 - 2 1 of 3 1n4448hwt www.diodes.com diodes incorporated 1n4448hwt surface mount fast switching diode features mechanical data b a c d g e cathode mark t8 marking code characteristic symbol value unit non-repetitive peak reverse voltage v rm 100 v peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 80 v rms reverse voltage v r(rms) 57 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 = 1.0s i fsm 2.0 1.0 a operating and storage temperature range t j ,t stg -65 to +150 c maximum ratings @ t a = 25 c unless otherwise specified fast switching speed ultra-small surface mount package for general purpose switching applications high conductance lead free by design/rohs compliant (note 1) "green" device, note 3 and 4 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 0.55 0.65 all dimensions in mm case: sod-523 case material: molded plastic, "green" molding compound, note 4. ul flammability classification rating 94v-0 moisture sensitivity: level 1 per j-std-020c terminal connections: cathode band terminals: solderable per mil-std-202, method 208 lead free plating (matte tin finish) annealed over alloy 42 leadframe. marking code: t8 ordering information: see last page weight: 0.002 grams (approximate) thermal characteristics @ t a = 25 c unless otherwise specified characteristic symbol value unit power dissipation (note 2) p d 150 mw thermal resistance junction to ambient (note 2) r ja 833 c/w note: 1. no purposefully added lead. 2. part mounted on fr-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 3. diode's inc.'s "green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 4. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. product manufactu red prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants.
ds30395 rev. 5 - 2 2 of 3 1n4448hwt www.diodes.com 0 50 025 50 75 100 125 p,p o wer dissipati o n (mw) d t , ambient temperature ( c) fig. 1 derating curve a 100 200 150 150 10 100 1 0.1 0 1000 800 200 400 600 i,f o rward current (ma) f v , forward voltage (mv) fig. 2 typical forward characteristics f ta = - 3 0 c ta = 5 0 c ta = 0 c ta = 8 5 c ta = 2 5 c electrical characteristics @ t a = 25 c unless otherwise specified characteristic symbol min max unit test conditions reverse breakdown voltage (note 5) v (br)r 80 v i r = 100 a forward voltage v f 0.62 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma peak reverse current (note 5) i r 100 50 30 25 na a a na v r = 80v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v total capacitance c t 3.0 pf v r = 0.5v, 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 note: 5. short duration pulse test used to minimize self-heating effect. 0.10 1.0 10.0 0.01 0.001 0 20 40 60 80 v , reverse voltage (v) fig. 3 typical reverse characteristics r ta = 1 0 0 c ta = 0 c ta = 7 5 c ta = 5 0 c ta = 2 5 c ta = - 3 0 c 04 6 8 2 10 i , forward current (ma) fig. 4 reverse recovery time vs. forward current f t , reverse recovery time (ns) rr 0 0.5 1.0 1.5 2.0 2 .5
ds30395 rev. 5 - 2 3 of 3 1n4448hwt www.diodes.com ordering information (note 6 & 7) device packaging shipping 1N4448HWT-7 sod-523 3000/tape & reel note: 6. product manufactured with date code 0609 (week 9, 2006) and newer are built with green molding compound. produ ct manufactured prior to date code 0609 are built with non-green molding compound and may contain halogens or sb2o3 fire retardants. 7. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. important notice life support diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to any product herein. diodes incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. the user of products in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on our website, harmless against all damages. diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written appr oval of the president of diodes incorporated.
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