1N4944

1N4942~1N4948 FAST RECOVERY PLASTIC RECTIFIER VOLTAGE FEATURES • High current capability. 1.0(25.4)MIN. 200 to 1000 Volts CURRENT 1.0 Amperes DO-41 Unit: inch(mm) • Plastic package has Underwriters Laboratory Flammability Classification 94V-O utilizing Flame Retardant Epoxy Molding Compound. • Exceeds environmental standards of MIL-S-19500/228 • Fast Recovery for high efficiency. • In compliance with EU RoHS 2002/95/EC directives .034(.86) .028(.71) MECHANICALDATA • Case: Molded plastic, DO-41 • Terminals: Axial leads, solderable to MIL-STD-750,Method 2026 • Polarity: Color Band denotes cathode end • Mounting Position: Any • Weight: 0.0118 ounce, 0.336 gram .205(5.2) .160(4.1) .107(2.7) 1.0(25.4)MIN. .080(2.0) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Resistive or inductive load, 60Hz. PA RA M E TE R 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 M a xi m um R M S V o l t a g e M a xi m um D C B l o c k i ng V o l t a g e M a xi m um A ve r a g e F o r w a r d C ur r e nt . 3 7 5 " ( 9 . 5 m m ) l e a d l e ng t h a t TA = 5 5 O C 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 ) M a xi m um F o r w a r d V o l t a g e a t 1 . 0 A M a xi m um D C R e ve r s e C ur r e nt a t T J = 2 5 OC 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 M a x i m u m R e v e r s e R e c o v e r y Ti m e ( N o t e 1 ) Ty p i c a l J u n c t i o n c a p a c i t a n c e ( N o t e 2 ) Ty p i c a l J u n c t i o n R e s i s t a n c e ( N o t e 3 ) O p e r a t i n g J u n c t i o n a n d S t o r a g e Te m p e r a t u r e R a n g e S YM B O L 1 N 4 9 4 2 1 N 4 9 4 4 1 N 4 9 4 6 1 N 4 9 4 7 1 N 4 9 4 8 VRRM VRMS VD C IF ( A V ) IF S M VF IR trr CJ R θJ A TJ , TS T G 150 12 41 -5 5 to +1 5 0 200 140 200 400 280 400 600 420 600 1 .0 30 1 .3 5 .0 500 250 500 800 560 800 1000 700 1000 U N IT S V V V A A V µA ns pF O C/W O C NOTES:1. Reverse Recovery Test Conditions: IF=.5A, IR=1A, Irr =.25A 2. Measured at 1 MHz and applied reverse voltage of 4.0 VDC 3. Thermal resistance from junction to ambient and from junction to lead length 0.375"(9.5mm) P.C.B. mounted STAD-MAR.03.2009 1 PAGE . 1 1N4942~1N4948 RATING AND CHARACTERISTIC CURVES PEAK FORWARD SURGE CURRENT , AMPERES 30 8.3ms Single Half Sine-Wave JEDEC Method AVERAGE FORWARD RECTIFIED CURRENT, AMPERES 3.0 2.5 2.0 MAXIMUM AVERAGE CURRENT R AING SINGLEPHASE, HALF-WAVE,60Hz R ESISTIVE OR INDUCTIVELOAD .375"(9m m) LEAD LENGTH 25 20 1.5 1.0 15 10 0.5 0 0 50 100 O 5 150 0 1 2 6 10 20 40 60 100 AMBIENT TEMPERATURE, C NUMBER OF CYCLES AT 60Hz Fig.1 FORWARD CURRENT DERATING CURVE Fig.2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT INSTANTANEOUS FORWARD CURRENT, AMPERES 10 100 Tj= 25 C f= 1.0MHz Vsig = 50mVp -p O 1.0 CAPACITANCE, pF T = 2 5 OC J 0.1 10 .0 1 1 0.1 .00 1 0.3 1 10 100 0.5 0.7 0.9 1.1 1.3 1.5 1.7 REVERSE VOLTAGE, VOLTS INSTANTANEOUS FORWARD VOLTAGE, VOLTS Fig.3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS Fig.4 TYPICAL JUNCTION CAPACITANCE A INSTANTANEOUS REVERSE CURRENT , m 1000 100 TJ = 150 C O 10 TJ = 100 OC 1.0 TJ = 25 C O 0.1 20 40 60 80 100 120 140 PERCENTAGE OF PEAK REVERSE VOLTAGE,% Fig.5-TYPICAL REVERSE CHARACTERISTIC STAD-MAR.03.2009 1 PAGE . 2