12f(r) series www.vishay.com vishay semiconductors revision: 19-mar-13 1 document number: 93487 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 standard recovery diodes (stud version), 12 a features ? high surge current capability ? stud cathode and stud anode version ? wide current range ? types up to 1200 v v rrm ? designed and qualified for in dustrial and consumer level ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 typical applications ? battery charges ? converters ? power supplies ? machine tool controls electrical specifications note (1) avalanche version only available from v rrm 400 v to 1200 v product summary i f(av) 12 a do-203aa (do-4) major ratings and characteristics parameter test conditions values units i f(av) 12 a t c 144 c i f(rms) 19 a i fsm 50 hz 265 a 60 hz 280 i 2 t 50 hz 351 a 2 s 60 hz 320 v rrm range 100 to 1200 v t j - 65 to 175 c voltage ratings type ? number voltage code v rrm , maximum repetitive peak reverse voltage v v rsm , maximum non-repetitive peak voltage v v r(br) , minimum avalanche voltage v (1) i rrm maximum at t j = 175 c ma 12f(r) 10 100 150 - 12 20 200 275 - 40 400 500 500 60 600 725 750 80 800 950 950 100 1000 1200 1150 120 1200 1400 1350
12f(r) series www.vishay.com vishay semiconductors revision: 19-mar-13 2 document number: 93487 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note (1) available only for avalanche version, all other parameters the same as 12f forward conduction parameter symbol test conditions values units maximum average forward current ? at case temperature i f(av) 180 conduction, half sine wave 12 a 144 c maximum rms forward current i f(rms) 19 a maximum on-repetitive peak ? reverse power p r (1) 10 s square pulse, t j = t j maximum 7 k/w maximum peak, one-cycle forward, ? non-repetitive surge current i fsm t = 10 ms no voltage reapplied sinusoidal half wave, ? initial t j = t j maximum 265 a t = 8.3 ms 280 t = 10 ms 100 % v rrm ? reapplied 225 t = 8.3 ms 235 maximum i 2 t for fusing i 2 t t = 10 ms no voltage reapplied 351 a 2 s t = 8.3 ms 320 t = 10 ms 100 % v rrm ? reapplied 250 t = 8.3 ms 226 maximum i 2 ? t for fusing i 2 ? t t = 0.1 to 10 ms, no voltage reapplied 3510 a 2 ? s low level value of threshold voltage v f(to)1 (16.7 % x ? x i f(av) < i < ? x i f(av) ), t j = t j maximum 0.77 v high level value of threshold voltage v f(to)2 (i > ? x i f(av) ), t j = t j maximum 0.97 low level value of forward ? slope resistance r f1 (16.7 % x ? x i f(av) < i < ? x i f(av) ), t j = t j maximum 10.70 m ? high level value of forward ? slope resistance r f2 (i > ? x i f(av) ), t j = t j maximum 6.20 maximum forward voltage drop v fm i pk = 38 a, t j = 25 c, t p = 400 s rectangular wave 1.26 v thermal and mechanical specifications parameter symbol test conditions values units maximum junction operating temperature range t j - 65 to 175 c maximum storage temperature range t stg - 65 to 200 maximum thermal resistan ce, junction to case r thjc dc operation 2 k/w maximum thermal resistance, case to heatsink r thcs mounting surface, smooth, flat and greased 0.5 allowable mounting torque not lubricated threads 1.5 + 0 - 10 % n m 13 lbf in lubricated threads 1.2 + 0 - 10 % n m 10 lbf in approximate weight 7g 0.25 oz. case style see dimensions - link at the end of datasheet do-203aa (do-4)
12f(r) series www.vishay.com vishay semiconductors revision: 19-mar-13 3 document number: 93487 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 note ? the table above shows the increment of thermal resistance r thjc when devices operate at different conduction angles than dc fig. 1 - current ratings ch aracteristics fig. 2 - current ratings characteristics fig. 3 - forward power loss characteristics ? r thjc conduction conduction angle sinusoidal conduction rectangular conduction test conditions units 180 0.33 0.26 t j = t j maximum k/w 120 0.41 0.44 90 0.53 0.58 60 0.78 0.81 30 1.28 1.29 140 150 160 170 180 0 2 4 6 8 101214 30 60 90 120 180 maximum allowable case temperature (c) conduction angle average forward current (a) 12f(r) series r (dc) = 2.0 k/w thjc 130 140 150 160 170 180 048121620 dc 30 60 90 120 180 maximum allowable case temperature (c) conduction period average forward current (a) 12f(r) series r (dc) = 2.0 k/w thjc 0255075100 maximum allowable ambient temperature (c) r = 8 k / w - d e l t a r t h s a 6 k / w 1 0 k / w 1 2 k / w 1 5 k / w 2 0 k / w 3 0 k / w 0 2 4 6 8 10 12 14 02468101214 average forward current (a) rms limit maximum average forward power loss (w) conduction angle 180 120 90 60 30 12f(r) series t = 175c j
12f(r) series www.vishay.com vishay semiconductors revision: 19-mar-13 4 document number: 93487 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 4 - forward power loss characteristics fig. 5 - maximum non-re petitive surge current fig. 6 - maximum non-re petitive surge current fig. 7 - forward voltage drop characteristics fig. 8 - thermal impedance z thjc characteristics 0255075100 maximum allowable ambient temperature (c) r = 6 k / w - d e l t a r t h s a 8 k / w 1 0 k / w 1 2 k / w 1 5 k / w 2 0 k / w 3 0 k / w 0 4 8 12 16 20 0 4 8 121620 dc 180 120 90 60 30 average forward current (a) rms limit maximum average forward power loss (w) conduction period 12f(r) series t = 175c j 100 125 150 175 200 225 250 110100 peak half sine wave forward current (a) number of equal amplitude half cycle current pulses (n) 12f(r) series initial t = 175c @ 60 hz 0.0083 s @ 50 hz 0.0100 s j at any rated load condition and with rated v applied following surge. rrm 100 125 150 175 200 225 250 275 0.01 0.1 1 peak half sine wave forward current (a) pulse train duration (s) 12f(r) series initial t = 175c no voltage reapplied rated v reapplied rrm j versus pulse train duration. maxi mum non repeti tive surge current 1 10 100 1000 0123456 t = 25c j instantaneous forward current (a) instantaneous forward voltage (v) 12f(r) series t = 175c j 0.1 1 10 0.001 0.01 0.1 1 10 square wave pulse duration (s) thjc transient thermal impedance z (k/w) 12f(r) series steady state value r = 2.0 k/w (dc operation) thjc
12f(r) series www.vishay.com vishay semiconductors revision: 19-mar-13 5 document number: 93487 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ordering information table links to related documents dimensions www.vishay.com/doc?95311 1 - current rating: code = i f(av) 2 - f = standard device 3 - none = stud normal polarity (cathode to stud) r = stud reverse polarity (anode to stud) 4 - voltage code x 10 = v rrm (see voltage ratings table) 5 - none = stud base do-203aa (do-4) 10-32unf-2a m = stud base do-203aa (do-4) m5 x 0.8 (not available for avalanche diodes) device code 5 13 24 12 f r 120 m
document number: 95311 for tec hnical questions, contact: indmodules@vishay.com www.vishay.com revision: 30-jun-08 1 do-203aa (do-4) outline dimensions vishay semiconductors dimensions in millimeters (inches) 3.30 (0.13) 4.00 (0.16) 5.50 (0.22) min. 10.20 (0.40) max. 11.50 (0.45) 10.70 (0.42) 10/32" unf-2a for metric devices: m5 x 0.8 0.8 0.1 (0.03 0.004) r 0.40 r (0.02) ? 6.8 (0.27) ? 1.80 0.20 (? 0.07 0.01) 3.50 (0.14) 20.30 (0.80) max. 11 (0.43) 2 + 0.3 0 (0.08 ) + 0.01 0
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