DATA SHEET SD320YT~SD3100YT SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS Unit: inch ( mm ) TO-251AB CURRENT - 3 Ampere FEATURES .264(6.7) .248(6.3) • Plastic package has Underwriters Laboratory Flammability Classification 94V-O .098(2.5) .082(2.1) .216(5.5) .200(5.1) • For surface mounted applications • Low profile package .024(0.6) .016(0.4) .063(1.6) .047(1.2) VOLTAGE 20 to 100 Volts 4 • Built-in strain relief .225(5.7) .209(5.3) • Low power loss, High efficiency • High surge capacity • For use in low voltage high frequency inverters, free wheeling, and polarity protection applications .307(7.8) .283(7.2) • High temperature soldering guaranteed:260¢XC/10 seconds at terminals MECHANICAL DATA .032(0.8) .012(0.3) Case: TO-251AB molded plastic 2 Terminals: Solder plated, solderable per MIL-STD-750,Method 2026 .071(1.8) .051(1.3) 3 1 .02(0.5) .09 .09 (2.3) (2.3) Polarity: As marking Weight: 0.015 ounces, 0.4grams. 1 2 3 4 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% SD320YT SD330YT SD340YT SD350YT SD360YT SD380YT SD3100YT UNITS Maximum Recurrent Peak Reverse Voltage 20 30 40 50 60 80 100 V Maximum RMS Voltage 14 21 28 35 42 56 70 V Maximum DC Blocking Voltage 20 30 40 50 60 80 100 V Maximum Average Forward Rectified Current at Tc=75°C 3 A Peak Forward Surge Current, 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) 75 A Maximum Instantaneous Forward Voltage at 3.0A (Note 1) 0.50 0.64 0.85 V Maximum DC Reverse Current at Tc=25°C DC Blocking Voltage per element Tc=100°C 0.2 20 mA Maximum Thermal Resistance (Note 2) 80 °C/W Operating and Storage Temperature Range -55 to +125 °C Storage Temperature Range -65 to +150 °C NOTES: 1. Thermal Resistance Junction to Ambient . DATE : OCT.10.2002 PAGE . 1 5.0 4.0 3.0 2.0 RESISTTIVE OR INDUCTIVE LOAD 1.0 0 20 40 60 80 100 120 20- 40V 50 50- 60V O INSTNTANEOUS FORWARD CURRENT AMPERES AVERAGE FORWARD CURRENT, AMPERES RATING AND CHARACTERISTIC CURVES TJ=25 C f=1.0mHz Visg=5mVp-p 1.0 0.1 140 80- 100 V 10 .2 .3 .5.6 .4 .7 .8.91.0 1.1 INSTANTANEOUS FORWARD VOLTAGE, VOLTS O CASE TEMPERATURE, C Fig.2- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTIC Fig.1- FORWARD CURRENT DERATING CURVE 10 1.0 O T J =100 C CAPACITANCE, pF INSTANTANEOUS REVERSE CURRENT, MILAMPERES 10000 T J = 75 OC 0.1 1000 TJ=25 OC f=1.0mHz Visg=5mVp-p 100 T J = 25 OC .01 .001 10 0.1 0 20 40 60 1.0 10 100 80 100 120 140 REVERSE VOLTAGE, VOLTS PERCENT OF RATEP PEAK REVERSE VOLTAGE % Fig.4- TYPICAL JUNCTION CAPACITANCE PEAK FORWARD SURGE CURRENT, AMPERES Fig.3- TYPICAL REVERSE CHARACTERISTICS 80 75 60 45 30 15 0 1 10 100 NO. OF CYCLES AT 60Hz Fig.5- MAXIMUM NON-REPETITIVE SURGE CURRENT DATE : OCT.10.2002 PAGE . 2