document number: 94509 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 09-feb-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 1 ultrafast rectifier, 2 x 35 a fred pt ? vs-70cru02pbf vishay semiconductors features ? ultrafast recovery time ? low forward voltage drop ? up to 175 c operating junction temperature ? common-cathode diodes ? low leakage current ? optimized for power conver sion: welding and industrial smps applications ? compliant to rohs directive 2002/95/ec ? designed and qualified for industrial level ? halogen-free according to iec 61249-2-21 definition description the vs-70cru02pbf integrates two state of the art vishay semiconductors ultrafast re covery rectifiers in the common-cathode configuration. the planar structure of the diodes, and the platinum doping life-time control, provide a ultrasoft recovery current shape, together with the best overall performance, ru ggedness and reliability characteristics. these devices are thus intended for high frequency applications in which the switching energy is designed not to be predominant portion of the total energy, such as in the output rectification stage of welding machines, smps, dc/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 package to-218 i f(av) 2 x 35 a v r 200 v v f at i f 1.09 v t rr typ. see recovery table t j max. 175 c diode variation common cathode base common cathode anode common cathode 1 2 1 2 2 anode 3 to-218 absolute maximum ratings parameter symbol test conditions max. units continuous forward current per diode i f(av) t c = 145 c 35 a cathode to anode voltage v r 200 v single pulse forwar d current per diode i fsm t c = 25 c 300 a maximum power dissip ation per module p d t c = 100 c 67 w operating junction and storage temperatures t j , t stg - 55 to 175 c electrical specifications per diode (t j = 25 c unless otherwise specified) parameter symbol test conditions min. typ. max. units breakdown voltage, blocking voltage v br , v r i r = 60 a 200 - - v forward voltage v f i f = 35 a - 0.95 1.09 i f = 35 a, t j = 125 c - 0.9 1.0 i f = 35 a, t j = 175 c - 0.85 0.9 reverse leakage current i r v r = v r rated - - 60 a t j = 150 c, v r = v r rated - - 2 ma junction capacitance c t v r = 200 v - 50 - pf series inductance l s measured from a-lead to k-lead 5 mm from package body -10-nh
www.vishay.com for technical qu estions within your region, please contact one of the fo llowing: document number: 94509 2 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com revision: 09-feb-11 vs-70cru02pbf vishay semiconductors ultrafast rectifier, 2 x 35 a fred pt ? dynamic recovery characteristics per diode (t j = 25 c unless otherwise specified) parameter symbol test conditions min. typ. max. units reverse recovery time t rr t j = 25 c i f = 1 a v r = 30 v di f /dt = 200 a/s --28 ns t j = 125 c - 34 - t j = 25 c i f = 35 a v r = 100 v di f /dt = 200 a/s -26- t j = 125 c - 49 - peak recovery current i rrm t j = 25 c - 3.7 - a t j = 125 c - 8.2 - reverse recovery charge q rr t j = 25 c - 48.7 - c t j = 125 c - 202 - thermal - mechanical specifications parameter symbol test conditions min. typ. max. units thermal resistance, junction to case per diode r thjc -0.80.9 k/w both legs - - 0.45 thermal resistance, case to heatsink r thcs mounting surface, flat, smooth and greased - 0.2 - weight -5.5- g -0.2-oz. mounting torque 1.2 (10) - 2.4 (20) n ??? m (lbf ?? in) marking device case style to-218 70cru02
document number: 94509 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 09-feb-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 3 vs-70cru02pbf ultrafast rectifier, 2 x 35 a fred pt ? vishay semiconductors 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 characteristics (per diode) i f - instantaneous forward current (a) forward voltage drop (v) 0 0.8 1.6 2.4 3.2 0.4 1.2 2.0 2.8 3.6 4.0 1 10 1000 100 t j = 175 c t j = 125 c t j = 25 c i r - reverse current (ma) v r - reverse voltage (v) 0 50 100 150 200 0.01 0.1 1 10 100 1000 25 c t j = 175 c 125 c c t - junction capacitance (pf) v r - reverse voltage (v) 1101001000 10 1000 100 t j = 25 c 0.01 0.1 1 0.0001 0.001 0.01 0.1 1 t 1 - rectangular pulse duration (s) z thjc - thermal impedance (c/w) single pulse (thermal resistance) p dm t 2 t 1 notes: 1. duty factor d = t 1 /t 2 2. peak t j = p dm x z thjc + t c
www.vishay.com for technical qu estions within your region, please contact one of the fo llowing: document number: 94509 4 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com revision: 09-feb-11 vs-70cru02pbf vishay semiconductors ultrafast rectifier, 2 x 35 a fred pt ? fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics 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 = rated v r allowable case temperature (c) i f(av) - average forward current (a) 40 30 20 10 50 60 0 120 140 180 80 100 110 130 160 170 150 90 square wave (d = 0.50) rated v r applied see note (1) dc average power loss (w) i f(av) - average forward current (a) 40 50 30 20 10 60 0 40 50 0 20 30 10 d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 dc rms limit t rr (ns) di f /dt (a/s) 100 1000 0 80 10 30 50 60 70 20 40 t j = 125 c i f = 35 a v rr = 100 v t j = 25 c q rr (nc) di f /dt (a/s) 100 1000 0 600 100 300 500 200 400 i f = 35 a v rr = 100 v t j = 125 c t j = 25 c
document number: 94509 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 09-feb-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 5 vs-70cru02pbf ultrafast rectifier, 2 x 35 a fred pt ? vishay semiconductors 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 adju s t 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 cro ss ing (2) i rrm - peak rever s e recovery current (3) t rr - rever s e recovery time mea s ured from zero cro ss ing point of negative going i f to point where a line pa ss ing through 0.75 i rrm and 0.50 i rrm extrapolated to zero current. (4) q rr - area under curve dened 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 qu estions within your region, please contact one of the fo llowing: document number: 94509 6 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com revision: 09-feb-11 vs-70cru02pbf vishay semiconductors ultrafast rectifier, 2 x 35 a fred pt ? ordering information table links to related documents dimensions www.vishay.com/doc?95214 part marking information www.vishay.com/doc?95219 1 - vishay semiconductors product 2 - current rating (70 = 70 a) 3 - common cathode 4 -to-218 5 - ultrafast recovery 6 - voltage rating (02 = 200 v) 7 - pbf = lead (pb)-free tube standard pack quantity: 30 pieces device code 5 1 3 2 4 6 7 vs- 70 c r u 02 pbf
document number: 95214 for technical questions concer ning discrete products, cont act: diodes-tech@vishay.com www.vishay.com revision: 21-apr-08 for technical qu estions concerning module products , contact: ind-modules@vishay.com 1 fred pt tm to-218 outline dimensions vishay high power products dimensions in millimeters (inches) 45.0 0.5 88 0.005 (14.94 0.13) ? 0.159 0.002 (? 4.04 0.05) 0.3066 0.003 (7.79 0.0 8 ) 0.4 8 00 0.005 (12.19 0.13) 0.6025 0.005 (15.30 0.13) ? 0.11 8 x 0.01 (? 3.00 x 0.254) 0.2165 bsc 0.09 8 0 0.002 (2.49 0.05) 0.1 8 90 0.005 (4. 8 0 0.13) 0.050 0.003 (1.27 0.0 8 ) 5.0 (2 places) 3.0 (3 places) 123 dp. 0.0430 + 0.006 - 0.000 (1.09 ) + 0.15 - 0.00 0.0197 + 0.006 - 0.000 (0.50 ) + 0.15 - 0.00
document number: 91 000 www.vishay.com revision: 11-mar-11 1 disclaimer legal disclaimer notice vishay all product, product specifications and data ar e subject to change without notice to improve reliability, function or design or otherwise. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectivel y, vishay), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained in any datasheet or in any o ther disclosure relating to any product. vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. to the maximum extent permitted by applicab le law, vishay disc laims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, incl uding without limitation specia l, consequential or incidental dama ges, and (iii) any and all impl ied warranties, including warran ties of fitness for particular purpose, non-infringement and merchantability. statements regarding the suitability of pro ducts for certain types of applications are based on vishays knowledge of typical requirements that are often placed on vishay products in gene ric applications. such statements are not binding statements about the suitability of products for a partic ular application. it is the customers responsibility to validate that a particu lar product with the properties described in th e product specification is su itable for use in a particul ar application. parameters provided in datasheets an d/or specifications may vary in different applications and perfo rmance may vary over time. all operating parameters, including typical pa rameters, must be validated for each customer application by the customers technical experts. product specifications do not expand or otherwise modify vishays term s and conditions of purchase, including but not limited to the warranty expressed therein. except as expressly indicated in writing, vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the vishay product co uld result in person al injury or death. customers using or selling vishay products not expressly indicated for use in such applications do so at their own risk and agr ee to fully indemnify and hold vishay and it s distributors harmless from and against an y and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that vis hay or its distributor was negligent regarding the design or manufact ure of the part. please contact authorized vishay personnel t o obtain written terms and conditions regarding products designed fo r such applications. no license, express or implied, by estoppel or otherwise, to any intelle ctual property rights is gran ted by this document or by any conduct of vishay. product names and markings noted herein may be trademarks of their respective owners.
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