document number: 94522 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 07-may-08 1 insulated ultrafast rectifier module, 120 a UFB120FA20P vishay high power products features ? two fully independent diodes ? ceramic fully insulated package (v isol = 2500 v ac ) ? ultrafast reverse recovery ? ultrasoft reverse recovery current shape ? low forward voltage ? optimized for power conversion: welding and industrial smps applications ? industry standard outline ? plug-in compatible with other sot-227 packages ? easy to assemble ? direct mounting to heatsink ? ul e78996 approved ? totally lead (pb)-free ? designed and qualified for industrial level description the UFB120FA20P insulated mo dules integrate two state of the art vishay hpp ultrafast recovery rectifiers in the compact, industry standard sot-227 package. the planar structure of the diodes, and the platinum doping life time control, provide a ultrasoft re covery current shape, together with the best overall performance, ruggedness and reliability characteristics. these devices are thus intended for high frequency applications in which the swit ching energy is designed not to be predominant portion of the total energy, such as in the output rectification stage of welding machines, smps, dc-to-dc converters. their extremely optimized stored charge and low recovery current reduce both over dissipation in the switching elements (and snubbers) and emi/rfi. product summary v r 200 v i f(av) at t c = 90 c 120 a t rr 28 ns sot-227 1 4 2 3 rohs compliant absolute maximum ratings parameter s ymbol te s t condition s max. unit s cathode to anode voltage v r 200 v continuous forward current per diode i f t c = 90 c 60 a single pulse forward current per diode i fsm t c = 25 c 850 maximum power dissipation per module p d t c = 90 c 110 w rms isolation voltage v isol any terminal to case, t = 1 min 2500 v operating junction and storage temperatures t j , t stg - 55 to 150 c
www.vishay.com for technical questi ons, contact: ind-modules@vishay.com document number: 94522 2 revision: 07-may-08 UFB120FA20P vishay high power products insulated ultrafast rectifier module, 120 a electrical specifications per diode (t j = 25 c unless otherwise specified) parameter s ymbol te s t condition s min. typ. max. unit s cathode to anode breakdown voltage v br i r = 100 a 200 - - v forward voltage v fm i f = 60 a - 0.96 1.1 3 i f = 60 a, t j = 150 c - 0.79 0.90 reverse leakage current i rm v r = v r rated - - 100 a t j = 150 c, v r = v r rated - - 1.0 ma junction capacitance c t v r = 200 v - 105 - pf dynamic recovery characteristics per diode (t j = 25 c unless otherwise specified) parameter s ymbol te s t condition s min. typ. max. unit s reverse recovery time t rr i f = 1.0 a, di f /dt = 200 a/s, v r = 3 0 v - - 28 ns t j = 25 c i f = 50 a di f /dt = 200 a/s v r = 100 v - 3 2- t j = 125 c - 64 - peak recovery current i rrm t j = 25 c - 4.0 - a t j = 125 c - 8.2 - reverse recovery charge q rr t j = 25 c - 64 - nc t j = 125 c - 26 3 - thermal - mechanical specifications parameter s ymbol te s t condition s min. typ. max. unit s junction to case, single diode conducting r thjc -0.81.1 k/w junction to case, both diodes conducting - 0.4 0.55 case to heatsink r thcs flat, greased surface - 0.05 - weight - 3 0- g mounting torque -1. 3 -nm
document number: 94522 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 07-may-08 3 UFB120FA20P insulated ultrafast rectifier module, 120 a vishay high power products fig. 1 - maximum forward voltage drop characteristics (per diode) fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc (per diode) forward voltage drop - v fm (v) instantaneous forward current - i f (a) 1 10 100 1000 0.2 0.6 1 1.4 1.8 tj = 150?c tj = 125?c tj = 25?c reverse voltage - v r (v) reverse current - i r (?) 0.001 0.01 0.1 1 10 100 050100150200 125?c 25?c tj = 150?c reverse voltage - v r (v) junction capacitance - c t ( p f ) 100 1000 1 10 100 1000 tj = 25?c t 1 , rectangular pulse duration (seconds) thermal impedance z thjc (?/w) 0.01 0.1 1 10 0.001 0.01 0.1 1 10 single pulse (thermal impedance) 2 t 1 t p dm notes: 1. duty factor d = t1/ t2 2. peak tj = pdm x zthjc + tc
www.vishay.com for technical questi ons, contact: ind-modules@vishay.com document number: 94522 4 revision: 07-may-08 UFB120FA20P vishay high power products insulated ultrafast rectifier module, 120 a fig. 5 - maximum allowable case temperature vs. average forward current (per diode) fig. 6 - forward power loss (per diode) fig. 7 - typical reverse recovery time vs. di f /dt fig. 8 - typical stored charge vs. di f /dt note (1) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm at (i f(av) /d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r at v r1 = 80 % rated v r average forward current - i f(av) (a) allowable case temperature (?) 80 90 100 110 120 130 140 150 0 10203040506070 dc square wave (d = 0.50) 80% rated vr applied see note (1) average power loss ( watts ) average forward current - i f(av) (a) 0 10 20 30 40 50 60 0 10203040506070 dc rms limit d = 0.01 d = 0.02 d = 0.05 d = 0.10 d = 0.20 d = 0.50 trr ( ns ) di f /dt (a/? ) 0 10 20 30 40 50 60 70 80 0 0 0 1 0 0 1 tj = 125?c tj = 25?c if = 50a vrr = 200v qrr ( nc ) di f /dt (a/? ) 0 100 200 300 400 500 600 700 800 0 0 0 1 0 0 1 tj = 125?c tj = 25?c if = 50a vrr = 200v
document number: 94522 for technical ques tions, contact: ind-modules@vishay.com www.vishay.com revision: 07-may-08 5 UFB120FA20P insulated ultrafast rectifier module, 120 a vishay high power products fig. 9 - reverse recovery parameter test circuit fig. 10 - reverse recovery waveform and definitions irfp250 d.u.t. l = 70 h v r = 200 v 0.01 g d s di f /dt adjust q rr 0.5 i rrm di (rec)m /dt 0.75 i rrm i rrm t rr t b t a i f di f /dt 0 (1) (2) (3) (4) (5) (1) di f /dt - rate of change of current through zero crossing (2) i rrm - peak reverse recovery current (3) t rr - reverse recovery time measured from zero crossing point of negative going i f to point where a line passing through 0.75 i rrm and 0.50 i rrm extrapolated to zero current. (4) q rr - area under curve defined by t rr and i rrm t rr x i rrm 2 q rr = (5) di (rec)m /dt - peak rate of change of current during t b portion of t rr
www.vishay.com for technical questi ons, contact: ind-modules@vishay.com document number: 94522 6 revision: 07-may-08 UFB120FA20P vishay high power products insulated ultrafast rectifier module, 120 a ordering information table 1 - ultrafast rectifier 2 - ultrafast pt diffused 3 - current rating (120 = 120 a) 4 - circuit configuration (2 separate diodes, parallel pin-out) 5 - package indicator (sot-227 standard isolated base) 6 - voltage rating (20 = 200 v) 7 - p = lead (pb)-free device code 5 13 24 67 uf b 120 f a 20 p link s to related document s dimensions http://www.vishay.com/doc?950 3 6 packaging information http://www.vishay.com/doc?950 3 7
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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