SCM37PT CHENMKO ENTERPRISE CO.,LTD THRU SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 70 - 100 Volts CURRENT 3.0 Amperes SCM310PT FEATURES * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * For surface mounted applications * Low profile package * Built-in strain relief * Metal silicon junction, majority carrier conduction * Low power loss, high efficiency * High current capability, low forward voltage drop * High surge capability * For use in low voltage high frequency inverters, free wheeling, and polarity protection applications * High temperature soldering guaranteed : 260oC/10 seconds at terminals SMC 0.125(3.17) 0.115(2.92) 0.245(6.22) 0.220(5.59) (1) MECHANICAL DATA (2) 0.280(7.11) 0.260(6.60) Case: JEDEC SMC molded plastic Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.007 ounce 0.25 gram 0.012(0.305) 0.006(0.152) 0.103(2.62) 0.079(2.06) 0.008(0.203)(max) 0.060(1.52) 0.030(0.76) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25oC ambient temperature unless otherwise specified. Single phase, half wave, 60 HZ, resistive or inductive load. For capacitive load, derate current by 20%. 0.320(8.13) 0.305(7.75) SMC Dimensions in inches and (millimeters) MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) SYMBOL SCM37PT SCM38PT SCM39PT SCM310PT UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 70 80 90 100 Volts Maximum RMS Voltage VRMS 49 56 63 70 Volts Maximum DC Blocking Voltage VDC 70 80 90 100 Maximum Average Forward Rectified Current at TL (SEE FIG.1)(Note 3) Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 3) 3.0 Amps IFSM 100 Amps CJ 250 R Operating and Storage Temperature Range Volts IO pF o 15 JL TJ,TSTG C/W o -65 to +150 C ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage at 3.0 A DC (Note 1) VF Maximum Average Reverse Current (Note 1) @ TA = 25oC SCM37PT SCM38PT SCM39PT 0.75 SCM310PT 0.80 UNITS Volts 0.5 mAmps 20 mAmps IR at Rated DC Blocking Voltage o @ TA = 100 C NOTES : 1. Pulse test : 300 us pulse width, 1% duty cycle 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 3. P.C.B. mounted 0.31 x 0.31" ( 8 x 8mm) copper pad areas 2002-5 RATING CHARACTERISTIC CURVES ( SCM37PT THRU SCM310PT ) RESISTIVE OR INDUCTIVE LOAD 2.5 M SC M3 SC T 38P T~ 9P P.C.B. MOUNTED on 0.55 x 0.55" (14 x 14mm) COPPER PAD AREAS 1.5 CM T~S 37P 2.0 PT 10 1.0 0.5 0 50 60 70 80 90 100 110 120 130 140 150 160 o LEAD TEMPERATURE, ( C ) FIG. 2 - INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS FORWARD CURRENT, ( A ) 3.0 M3 SC AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 20 10 SCM37PT~SCM37PT SCM39PT~SCM310PT 1.0 0.1 TJ =25oC Pulse Width=300us 1% Duty Cycle .2 .3 FIG. 3 - TYPICAL REVERSE CHARACTERISTICS .5 .6 .7 .8 .9 1.0 1.1 FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 50 120 20 5 o C TJ = 125 2 1 o C TJ = 100 .5 o C TJ = 25 .2 100 PEAK FORWARD SURGE CURRETN(A) 10 .10 .05 8.3ms Single Half Sine-Wave (JEDEC Method) 80 60 40 20 0 .02 0 5 10 15 20 25 INSTANTANEOUS REVERSE VOLTAGE, (V) 30 1 2 5 10 20 50 NUMBER OF CYCLES AT 60 Hz FIG. 5 - TYPICAL JUNCTION CAPACITANCE 1000 JUNCTION CAPACITANCE, ( pF ) INSTANTANEOUS REVERSE CURRENT, (mA) .4 INSTANTANEOUS FORWARD VOLTAGE,(V) TJ =25oC 100 10 5 .1 .4 1.0 4 10 REVERSE VOLTAGE, ( V ) 40 80 100