CHENMKO ENTERPRISE CO.,LTD MMBD4448PT SURFACE MOUNT SWITCHING DIODE ARRAY VOLTAGE 80 Volts CURRENT 250 mAmpere APPLICATION * Fast high speed switching FEATURE .019 (0.50) .041 (1.05) .033 (0.85) (1) * Silicon epitaxial planar MARKING .066 (1.70) CONSTRUCTION .110 (2.80) .082 (2.10) .119 (3.04) * High Conductance. * 5A- CIRCUIT .103 (2.64) .086 (2.20) .028 (0.70) .020 (0.50) .045 (1.15) .033 (0.85) (1) (2) (2) .007 (0.177) .055 (1.40) .047 (1.20) (3) Dimensions in inches and (millimeters) (3) .002 (0.05) * Ultra-Small Surface Mount Package. * For General Purpose Switching Applications. .018 (0.30) SOT-23 * Small surface mounting type. (SOT-23) * High speed. (TRR=4.0nSec Max.) * Fast Switching Speed. SOT-23 MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS SYMBOL MMBD4448PT UNITS VRM 100 Volts Maximum Repetitive Peak Reverse Voltage Maximum Working Peak Reverse Voltage Maximum DC Blocking Voltage VRRM VRWM VDC 80 Volts Maximum RMS Voltage VRMS 57 Volts IO 250 mAmps IFRM 500 mAmps Maximum Non-Repetitive Peak Reverse Voltage Maximum Average Forward Rectified Current Repetitive Peak Forward Current @1Sec Peak Forward Surge Current at 1uSec. IFSM @1.0uSec 2.0 4.0 Amps Total Capacitance CT 3.5 pF Maximum Reverse Recovery Time trr 4.0 nSec 625 o Maximum Thermal Resistance R Maximum Operating and Storage Temperaturd Range JA TJ,TSTG -65 to +150 C/W o C o ELECTRICAL CHARACTERISTICS ( At TA = 25 C unless otherwise noted ) CHARACTERISTICS SYMBOL Maximum Instantaneous Forward Voltage @ IF= 5.0 mA @ IF= 100 mA VF Maximum Average Reverse Current (Note 1) VR= 20V @TJ=25oC VR= 75V @TJ=150ooC VR= 25V @TJ=150 C IR NOTES : 1. Short duration test pulse used to minimize self-hesting effect. MMBD4448PT 0.72 1.0 25nA 50 30 UNITS Volts uAmps 2004-10 RATING CHARACTERISTIC CURVES ( MMBD4448PT) FIG. 1 - FORWARD CHARACTERISTICS FIG. 2 - REVERSE CHARACTERISTICS 10u 1 REVERSE CURRENT, (A) FORWARD CURRENT, (A) o Ta=125 C 100m o Ta= -40 C o Ta=0 C 10m o Ta=25 C o Ta=75 C 1m 1u o Ta=75 C 100n o Ta=25 C 10n o Ta= 0 C 1n o Ta= -40 C o Ta=125 C 0.1n 100u 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 20 1.6 40 60 80 100 REVERSE VOLTAGE, (V) FORWARD VOLTAGE, (V) FIG. 4 - TYPICAL FORWARD CURRENT DERATING CURVE TOTAL CAPACITANCE , (pF) 3.0 AVERAGE FORWARD CURRENT, (%) FIG. 3 - TYPICAL JUNCTION CAPACITANCE o Ta=125 C f = 1MHZ 2.5 2.0 1.5 1.0 0.5 0 0 6 12 18 24 REVERSE VOLTAGE, (V) 30 36 40 120 100 80 60 40 20 0 0 25 50 75 100 AMBIENT TEMPERATURE, (oC) 125 150