vishay general semiconductor gbu8a thru gbu8m document number 88616 19-jan-06 www.vishay.com 1 case style gbu glass passivated single-phase bridge rectifier features ? ul recognition file number e54214 ? ideal for printed circuit boards ? high surge current capability ? high case dielectric strength of 1500 v rms ? solder dip 260 c, 40 seconds typical applications general purpose use in ac-to-dc bridge full wave rectification for monitor, tv, printer, power supply, switching mode power s upply, adapter, audio equipment and home appliances applications. mechanical data case: gbu epoxy meets ul 94v-0 flammability rating terminals: matte tin plated (e3 suffix) leads, solderable per j-std-002b and jesd22-b102d polarity: as marked on body mounting torque: 10 cm-kg (8.8 inches-lbs) max. recommended torque: 5.7 cm-kg (5 inches-lbs) major ratings and characteristics i f(av) 8 a v rrm 50 v to 1000 v i fsm 200 a i r 5 a v f 1.0 v t j max. 150 c note: (1) unit case mounted on ai plate heatsink (2) units mounted in free air, no heatsink on p.c.b., 0.5 x 0.5" (12 x 12 mm) copper pads, 0.375" (9.5 mm) lead length maximum ratings (t a = 25 c unless otherwise noted) parameter symbol gbu8a gbu8b gbu8d gbu8g gbu8j gbu8k gbu8m unit maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified output current at t c = 60 c (1) t a = 25 c (2) i f(av) 8.0 3.0 a peak forward surge current single sine-wave super- imposed on rated load i fsm 200 a rating for fusing (t < 8.3 ms) i 2 t 166 a 2 sec operating junction and storage temperature range t j , t stg - 55 to + 150 c
www.vishay.com 2 document number 88616 19-jan-06 vishay general semiconductor gbu8a thru gbu8m note: (1) units case mounted on al plate heatsink (2) units mounted in free air, no heatsink on p.c.b., 0.5 x 0.5" (12 x 12 mm) copper pads, 0.375" (9.5 mm) lead length (3) recommended mounting position is to bol t down on heatsink with silicone thermal compound for maximum heat transfer with #6 screws ratings and characteristics curves (t a = 25 c unless otherwise noted) electrical characteristics (t a = 25 c unless otherwise noted) parameter test condition symbol gbu8a gbu8b gbu8d gbu8g gbu8j gbu8k gbu8m unit maximum instantaneous forward voltage drop per leg at 8.0 a v f 1.0 v maximum dc reverse current at rated dc blocking voltage per leg t a = 25 c t a = 125 c i r 5.0 500 a typical junction capacitance per leg at 4 v, 1 mhz c j 211 94 pf thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol gbu8a gbu8b gbu8d gbu8g gbu8j gbu8k gbu8m unit typical thermal resistance per leg r ja (2) r jc (1,3) 20 4.0 c/w figure 1. derating curve output rectified current 0 50 100 150 0 2.0 4.0 6.0 8 .0 25 75 125 a v erage for w ard o u tp u tc u rrent (a) temperat u re (c) heatsink mo u nting, t c pcb mo u nting, t a figure 2. maximum non-repetitive peak forward surge current per leg 1 10 100 0 50 100 150 200 250 t j = 150 c 8 .3 ms single half sine- w a v e nu m b er of cycles at 60 hz peak for w ard s u rge c u rrent (a)
document number 88616 19-jan-06 www.vishay.com 3 gbu8a thru gbu8m vishay general semiconductor package outline dimensions in inches (millimeters) figure 3. typical forward characteristics per leg figure 4. typical reverse lea kage characteristics per leg 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 0.01 1 100 10 0.1 instantaneo u sfor w ard c u rrent (a) instantaneo u sfor w ard v oltage ( v ) t j = 25 c p u lse w idth = 300 s 1 % d u ty cycle 0 20 40 100 0.01 0.1 1 10 100 60 8 0 500 50 - 400 v 600 - 1000 v t j = 150 c t j = 125 c t j = 25 c percent of rated peak re v erse v oltage (%) instantaneo u s re v erse c u rrent ( a) figure 5. typical junction capacitance per leg figure 6. typical transient thermal impedance per leg 0.1 1 10 100 10 100 1000 50 - 400 v 600 - 1000 v t j = 25 c f = 1.0 mhz v sig = 50 m v p-p re v erse v oltage ( v ) j u nction capacitance (pf) 100 0.01 0.1 1 10 100 0.1 1 10 t - heating time (s) transient thermal impedance (c/ w ) 0.125 (3.2 )x4 5 o chamfe r 0.0 8 5 (2.16) 0.065 (1.65) 0.02 0r (typ .) 0. 88 0 (22.3) 0. 8 60 (21. 8 ) 0.160 (4.1) 0.140 (3.5) 0.075 (1.9) r . 0.0 8 0 0.060 (2.03) (1.52) 0.050 (1.27) 0.040 (1.02) 0.0 8 0 0.065 (2.03) (1.65) 0.210 0.190 (5.33) (4. 8 3) polarity sho w n on front side of case, positi v e lead b y b e v eled corner 0.140 (3.56) 0.130 (3.30) 9 o typ . 5 o typ . 0.0 8 5 (2.16) 0.075 (1.90) 0.022 (0.56) 0.01 8 (0.46) 0.310 (7.9) 0.290 (7.4) 0.740 (1 8 . 8 ) 0.720 (1 8 .3) 0.710 (1 8 .0) 0.690 (17.5) 0.100 (2.54) 0.0 8 5 (2.16) case type gbu
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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