SD820YT~SD860YT SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS 8 Amperes CURRENT VOLTAGE 20 to 60 Volts TO-251AB Unit : inch (mm) FEATURES • Plastic package has Underwriters Laboratory Flammability Classification 94V-O .264(6.7) .248(6.3) • For surface mounted applications .098(2.5) .082(2.1) • Low profile package .024(0.6) .016(0.4) .063(1.6) .047(1.2) .216(5.5) .200(5.1) • Built-in strain relief .225(5.7) .209(5.3) • Low power loss, High efficiency .307(7.8) • For use in low voltage high frequency inverters, free wheeling, and polarity protection applications • In compliance with EU RoHS 2002/95/EC directives .283(7.2) • High surge capacity .071(1.8) .051(1.3) .032(0.8) .012(0.3) MECHANICALDATA .02(0.5) • Case: TO-251AB molded plastic .09 .09 (2.3) (2.3) • Terminals: Solder plated, solderable per MIL-STD-750,Method 2026 • Polarity: As marking • Standard packaging: 16mm tape (EIA-481) • Weight: 0.0104 ounces, 0.297 grams. MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% PA RA M E TE R S YM B O L S D 8 2 0 YT S D 8 3 0 YT S D 8 4 0 YT S D 8 5 0 YT S D 8 6 0 YT U N IT S M a xi m um R e c ur r e nt P e a k R e ve r s e V o l t a g e V RRM 20 30 40 50 60 V M a xi m um R M S V o l t a g e V RMS 14 21 28 35 42 V M a xi m um D C B l o c k i ng V o l t a g e V DC 20 30 40 50 60 V M a xi m um A ve r a g e F o r w a r d C ur r e nt a t T C = 7 5 OC IF ( A V ) 8 A P e a k F o r w a r d S ur g e C ur r e nt : 8 . 3 m s s i ng l e ha l f s i ne w a ve s up e r i m p o s e d o n r a t e d l o a d ( J E D E C m e t ho d ) IF S M 85 A M a xi m um F o r w a r d V o l t a g e a t 4 . 0 A ( N o t e 1 ) VF 0 .5 5 0 .7 5 V M a xi m um D C R e ve r s e C ur r e nt T J = 2 5 OC a t R a t e d D C B l o c k i ng V o l t a g e T J = 1 0 0 OC IR 0 .2 20 0 .1 20 mA Ty p i c a l T h e r m a l R e s i s t a n c e O p e r a t i n g J u n c t i o n Te m p e r a t u r e R a n g e S t o r a g e Te m p e r a t u r e R a n g e STAD-APR.27.2009 R θJ C R θJ A TJ T S TG 5 .0 80 -5 5 to +1 2 5 O -5 5 to +1 5 0 -5 5 to +1 5 0 C / W O C O C PAGE . 1 SD820YT~SD860YT 10 8 6 4 2 0 0 50 150 100 PEAK FORWARD SURGE CURRENT AMPERES AVERAGE FORWARD CURRENT AMPERES RATING AND CHARACTERISTIC CURVES O CASE TEMPERATURE, C 80 60 40 20 0 1 2 5 10 20 50 100 Fig.2- MAXIMUM NON - REPETITIVE SURGE CURRENT 10 40 1.0 TJ = 100 C 0.1 TJ = 75 C INSTANTANEOUS FORWARD CURRENT AMPERES INSTANTANEOUS REVERSE CURRENT, mA 100 NO. OF CYCLE AT 60Hz Fig.1- FORWARD CURRENT DERATING CURVE O O 0.01 O TJ = 25 C V RRM =20-40V V RRM =50-60V .001 120 0 20 40 60 80 100 PERCENT OF INSTANTANEOUS REVERSE VOLTAGE,(%) Fig.3- TYPICAL REVERSE CHARACTERISTICS STAD-APR.27.2009 20V~45V 50~60V 10 8 6 4 2 1.0 .8 .6 .4 O TJ = 25 C Pulse Width = 300ms 1% Duty Cycle .2 .1 .3 .4 .5 .6 .7 .8 0.9 1.0 INSTANTANEOUS FORWARD VOLTAGE ,VOLTS Fig.4- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PAGE . 2