document number: 94133 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 14-jan-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 1 schottky rectifier, 2 x 6 a vs-12CWQ04FNPBF vishay semiconductors features ? popular d-pak outline ? center tap configuration ? small foot print, surface mountable ? low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? compliant to rohs directive 2002/95/ec ? meets msl level 1, per j-std-020, lf maximum peak of 260 c description the vs-12CWQ04FNPBF surface mount, center tap, schottky rectifier series has be en designed for applications requiring low forward drop an d small foot prints on pc board. typical applications ar e in disk drives, switching power supplies, converters, freewheeling diodes, battery charging, and reverse battery protection. product summary package d-pak (to-252aa) i f(av) 2 x 6 a v r 40 v v f at i f 0.48 v i rm 40 ma at 125 c t j max. 150 c diode variation common cathode e as 9 mj base common cathode common cathode 2 4 13 anode anode d-pak (to-252aa) major ratings and characteristics symbol characteristics values units i f(av) rectangular waveform 12 a v rrm 40 v i fsm t p = 5 s sine 550 a v f 6 apk, t j = 125 c (per leg) 0.48 v t j range - 55 to 150 c voltage ratings parameter symbol vs-12CWQ04FNPBF units maximum dc reverse voltage v r 40 v maximum working peak reverse voltage v rwm absolute maximum ratings parameter symbol test conditions values units maximum average forward current see fig. 5 per leg i f(av) 50 % duty cycle at t c = 134 c, rectan gular waveform 6 a per device 12 maximum peak one cycle non-repetitive surge current see fig. 7 i fsm 5 s sine or 3 s rect. pulse following any rated load condition and with rated v rrm applied 550 a 10 ms sine or 6 ms rect. pulse 90 non-repetitive avalanche energy per leg e as t j = 25 c, i as = 1.5 a, l = 8 mh 9 mj repetitive avalanche current per leg i ar current decaying linearly to zero in 1 s frequency limited by t j maximum v a = 1.5 x v r typical 1.2 a
www.vishay.com for technical qu estions within your region, please contact one of the fo llowing: document number: 94133 2 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com revision: 14-jan-11 vs-12CWQ04FNPBF vishay semiconductors schottky rectifier, 2 x 6 a note (1) pulse width < 300 s, duty cycle < 2 % note (1) thermal runaway condition fo r a diode on its own heatsink electrical specifications parameter symbol test conditions values units maximum forward voltage drop per leg see fig. 1 v fm (1) 6 a t j = 25 c 0.53 v 12 a 0.68 6 a t j = 125 c 0.48 12 a 0.64 maximum reverse leakage current per leg see fig. 2 i rm (1) t j = 25 c v r = rated v r 3 ma t j = 125 c 40 threshold voltage v f(to) t j = t j maximum 0.28 v forward slope resistance r t 25.58 m ? typical junction capacitance per leg c t v r = 5 v dc (test signal range 100 khz to 1 mhz), 25 c 405 pf typical series inductance per leg l s measured lead to lead 5 mm from package body 5.0 nh thermal - mechanical specifications parameter symbol test conditions values units maximum junction and srorage temperature range t j (1) , t stg - 55 to 150 c maximum thermal resistance, junction to case per leg r thjc dc operation see fig. 4 3.0 c/w per device 1.5 approximate weight 0.3 g 0.01 oz. marking device case style d-pak (similar to to-252aa) 12cwq04fn dp tot dt j ------------- 1 r thja -------------- <
document number: 94133 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 14-jan-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 3 vs-12CWQ04FNPBF schottky rectifier, 2 x 6 a vishay semiconductors fig. 1 - maximum forward voltage drop characteristics (per leg) fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - maximum thermal impedance z thjc characteristics (per leg) 1 10 100 i f - instantaneous forward current (a) v fm - forward voltage drop (v) 0.4 0.8 1.2 2.2 1.4 1.0 0.6 0.2 t j = 150 c t j = 125 c t j = 25 c 0 1.6 1.8 2.0 i r - reverse current (ma) v r - reverse voltage (v) 0 102030 0.001 0.1 1 10 100 540 0.01 35 25 15 t j = 150 c t j = 125 c t j = 100 c t j = 75 c t j = 50 c t j = 25 c c t - junction capacitance (pf) v r - reverse voltage (v) 02030 40 45 100 1000 10 t j = 25 c 515 25 35 z thjc - thermal impedance (c/w) 0.01 0.1 1 10 t 1 - rectangular pulse duration (s) 0.00001 0.0001 0.001 0.01 0.1 1 d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 single pulse (thermal resistance) p dm t 1 t 2 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: 94133 4 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com revision: 14-jan-11 vs-12CWQ04FNPBF vishay semiconductors schottky rectifier, 2 x 6 a fig. 5 - maximum allowable case temperature vs. average forward current (per leg) fig. 6 - forward power loss characteristics (per leg) fig. 7 - maximum non-repeti tive surge current (per leg) 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 allowable case temperature (c) i f(av) - average forward current (a) 089 4 115 125 130 140 150 155 26 dc see note (1) square wave (d = 0.50) 80 % rated v r applied 1357 120 135 145 0 average power loss (w) i f(av) - average forward current (a) 0 46 9 1 2 3 4 5 2 8 rms limit dc d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 13 57 i fsm - non-repetitive surge current (a) t p - square wave pulse duration (s) 100 1000 10 100 1000 10 000 at any rated load condition and with rated v applied following surge rrm 10
document number: 94133 for technical ques tions within your region, please cont act one of the following: www.vishay.com revision: 14-jan-11 diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com 5 vs-12CWQ04FNPBF schottky rectifier, 2 x 6 a vishay semiconductors ordering information table links to related documents dimensions www.vishay.com/doc?95016 part marking information www.vishay.com/doc?95059 packaging information www.vishay.com/doc?95033 2 - current rating (12 a) 1 - vishay semiconductors product 3 - center tap configuration - 4 4 - package identifier: w = d-pak 5 - schottky ?q? series 6 - voltage rating (04 = 40 v) 7 - fn = to-252aa 8 - none = tube (50 pieces) tr = tape and reel trl = tape and reel (left oriented) trr = tape and reel (right oriented) - pbf = lead (pb)-free 9 device code 5 1 3 2 4 6 7 8 9 12 vs- c w q 04 fn trl pbf
document number: 95016 for technical questions concer ning discrete products, cont act: diodes-tech@vishay.com www.vishay.com revision: 04-nov-08 for technical qu estions concerning module products , contact: ind-modules@vishay.com 1 d-pak (to-252aa) outline dimensions vishay high power products notes (1) dimensioning and toleranci ng as per asme y14.5m-1994 (2) lead dimension uncontrolled in l5 (3) dimension d1, e1, l3 and b3 establish a mi nimum mounting surface for thermal pad (4) section c - c dimension apply to the flat section of the lead between 0.13 and 0.25 mm (0.005 and 0.10") from the lead tip (5) dimension d, and e do not include mold flash. mold flash shall not exceed 0.127 mm (0. 005") per side. these dimensions are meas ured at the outermost extremes of the plastic body (6) dimension b1 and c1 applied to base metal only (7) datum a and b to be determined at datum plane h (8) outline conforms to jedec outline to-252aa dimensions in millimeters and inches symbol millimeters inches notes symbol millimeters inches notes min. max. min. max. min. max. min. max. a 2.18 2.39 0.086 0.094 e 2.29 bsc 0.090 bsc a1 - 0.13 - 0.005 h 9.40 10.41 0.370 0.410 b 0.64 0.89 0.025 0.035 l 1.40 1.78 0.055 0.070 b2 0.76 1.14 0.030 0.045 l1 2.74 bsc 0.108 ref. b3 4.95 5.46 0.195 0.215 3 l2 0.51 bsc 0.020 bsc c 0.46 0.61 0.018 0.024 l3 0.89 1.27 0.035 0.050 3 c2 0.46 0.89 0.018 0.035 l4 - 1.02 - 0.040 d 5.97 6.22 0.235 0.245 5 l5 1.14 1.52 0.045 0.060 2 d1 5.21 - 0.205 - 3 ? 0 10 0 10 e 6.35 6.73 0.250 0.265 5 ?1 0 15 0 15 e1 4.32 - 0.170 - 3 ?2 25 35 25 35 ? 1 e (5) b 3 (3) 0.010 cab l3 (3) b a c h c l2 d (5) l4 b 2 x e b 2 (2) l5 1 2 3 4 ? 2 a c2 a a h seating plane c detail ?c? (7) seating plane a1 detail ?c? rotated 90 cw scale: 20:1 (l1) c c l ? ga u ge plane lead tip m 0.010 cab m 32 4 1 e1 d1 mi n . 0.265 (6.74) mi n . 0.245 (6.23) mi n . 0.0 8 9 (2.2 8 ) mi n . 0.06 (1.524) 0.4 88 (12.40) 0.409 (10.40) 0.093 (2.3 8 ) 0.0 8 5 (2.1 8 ) pad layout
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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