sd930 / sd940 / sd945 high current schottky barrier rectifier features ? high current capability and low forward drop ? high surge capacity ? guard ring for transient protection ? low power loss, high efficiency ? lead free finish, rohs compliant (note 1) mechanical data ? case: do-201ad ? case material: molded plastic. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020d ? terminals: finish ? tin. leads solderable per mil-std-202, method 208 ? polarity: cathode band ? mounting position: any ? ordering information: see page 3 ? weight: 1.1 grams (approximate) top view maximum ratings @t a = 25c unless otherwise specified single phase, half wave, 60hz, re sistive or inductive load. for capacitance load, derate current by 20%. characteristic symbol sd930 sd940 sd945 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 30 40 45 v voltage rate of change dv/dt 10,000 v/s maximum average forward current @ t c = 120c (note 3) i o 9.0 a maximum peak one-cycle @ 5s sine wave surge current @ 10ms sine wave i fsm 2150 340 a thermal characteristics characteristic symbol value unit typical thermal resistance junction to case (note 2) r jl 8.0 k/w operating and storage temperature range t j, t stg -65 to +150 c electrical characteristics @t a = 25c unless otherwise specified characteristic symbol min typ max unit test condition forward voltage (note 4) v f - - - - - - - - 0.48 0.42 0.57 0.52 v i f = 9.0a, t j = 25c i f = 9.0a, t j = 125c i f = 18a, t j = 25c i f = 18a, t j = 125c peak reverse current (note 4) i r - - - - 0.8 70 ma @ rated v r , t a = 25 c @ rated v r , t a = 100 c total capacitance c t - - 900 pf v r = 4v, f = 1mhz notes: 1. rohs revision 13.2.2003. glass and hi gh temperature solder exemptions applied, see eu directive annex notes 5 and 7 . 2. thermal resistance from junction to lead vertical pc board mounting, 9.5mm lead length. 3. device mounted to heat sink with 1/8" lead length. 4. pulse width s - duty cycle 2%. 5. short duration pulse test used to minimize self-heating effect. sd930 / sd940 / sd945 document number: ds23026 rev. 5 - 2 1 of 3 www.diodes.com may 2008 ? diodes incorporated
sd930 / sd940 / sd945 sd930 / sd940 / sd945 document number: ds23026 rev. 5 - 2 2 of 3 www.diodes.com may 2008 ? diodes incorporated 0 2 4 05 01 0 0 i, ave 1 5 0 r a g e r e c t ifie d c u r r e n t (a) o t , case temperature (c) fig. 1 forward current derating curve c 6 8 10 0.1 1.0 10 50 0.2 0.4 0.6 0.8 1.0 i, i n s t a n t a n e o u s f o r wa r d c u r r e n t (a) f v , instantaneous forward voltage (v) fig. 2 typical forward characteristics f t = 125c j t = 25c j 2% duty cycle 100 1,000 4,000 0.1 1.0 10 100 c , c a p a c i t an c e (p f ) j v , reverse voltage (v) fig. 3 maximum junction capacitance r t j = 25c f = 1mhz 1 1,000 10,000 10 100 1,000 10,000 p eak f o r wa r d s u r g e c u r r en t (a) t , pulse duration (ms) fig. 4 maximum non-repetitive surge current p 0.01 0.1 1.0 10 0.0001 0.001 t , rectangular pulse duration (s) fig. 5 typical thermal resistance r 1 jl 0.1 1.0 10 100 0.01 t h e r mal r esis t an c e r (k/w) jl
sd930 / sd940 / sd945 0 20 40 60 80 100 120 140 i, i n s t a n t a n e o u s r eve r se c u r r e n t (ma) r percent of rated peak reverse voltage (%) fig. 6 typical i vs. % of v rr t = 125oc j t = 85oc j t = 25oc j 100 10 1.0 0.1 0.01 ordering information (note 6) part number case packaging sd930-b do-201ad 500/bulk sd930-t do-201ad 1.2k/tape & reel, 13-inch sd940-b do-201ad 500/bulk sd940-t do-201ad 1.2k/tape & reel, 13-inch sd945-b do-201ad 500/bulk sd945-t do-201ad 1.2k/tape & reel, 13-inch notes: 6. for packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf . package outline dimensions sd930 / sd940 / sd945 document number: ds23026 rev. 5 - 2 3 of 3 www.diodes.com may 2008 ? diodes incorporated important notice diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to any product herein. diodes incorporat ed 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 paten t 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 inco rporated and all the companies whose products ar e represented on our website, harmless against all damages. life support diodes incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the president of diodes incorporated. do-201ad dim min max a 25.40 ? b 7.20 9.50 c 1.20 1.30 d 4.80 5.30 all dimensions in mm
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