MMBD4448HT SURFACE MOUNT FAST SWITCHING DIODE REVERSE VOLTAGE - 80 Volts FORWARD CURRENT - 0.25 Ampere SOT-523 FEATURES * Fast switching speed * Ideally suited for automatic insertion * For general purpose switching applications SOT-523 Dim. Min. A A1 b c D E E1 e e1 L MECHANICAL DATA * Case: SOT-523 Plastic * Case material: "Green" molding compound, UL flammability classification 94V-0, (No Br. Sb. CI) * Moisture sensitivity: Level 1 per J-STD-020D * Lead free in RoHS 2002/95/EC compliant Max. 0.70 0.90 0.00 0.10 0.25 0.325 0.10 0.20 1.50 1.70 1.45 1.75 0.75 0.85 0.50 Typ. 0.90 1.10 0.55 Ref. Dimensions in millimeter Maximum Ratings & Thermal Characteristics @ TA = 25 unless otherwise specified Characteristic Symbol MMBD4448HT Units VRM 100 V VRRM VRWM VR 80 V VR(RMS) 57 V Forward Continuous Current IFM 500 mA Average Rectified Output Current IO 250 mA IFSM 4 1.5 A PD 150 mW RJA 833 /W TJ 150 TSTG -65~+150 Non-Repetitive Peak Reverse Voltage Repetitive Peak Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage @t=1us @t=1s Non-Repetitive Peak Forward Current Power Dissipation Thermal Resistance Junction to Ambient Operating Temperature Range Storage Temperature Range Electrical Characteristics @ TA = 25 unless otherwise specified Characteristic Reverse Breakdown Voltage Test Condition IR = 100uA Symbol Min. Typ. Max. Unit VBR 80 -- -- V IR 620 ------ ------- 720 855 1000 1250 100 25 Maximum DC Reverse Current at Rated DC Blocking Voltage IF = 5mA IF = 10mA IF = 100mA IF = 150mA VR = 70V VR = 20V Typical Diode Capacitance VR =6V,f=1MHz CD -- -- 3.5 pF Reverse Recovery time VR =6V, IF=5mA trr -- -- 4 ns Maximum Forward Voltage VF mV nA REV. 2, Jul-2012, KSYR74 RATING AND CHARACTERISTIC CURVES MMBD4448HT Fig.1 Typical Forward Characteristics Fig.2 Typical Reverse Characteristics Fig.3 Total Capacitance vs. Reverse Voltage Fig.4 Power Derating Curve Fig.5 Reverse Recovery Time vs. Forward Current Device Marking : Device P/N Marking code MMBD4448HT A3 Equivalent Circuit Diagram Legal Disclaimer Notice MMBD4448HT Important Notice and Disclaimer LSC reserves the right to make changes to this document and its products and specifications at any time without notice. Customers should obtain and confirm the latest product information and specifications before final design, purchase or use. LSC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does LSC assume any liability for application assistance or customer product design. LSC does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. No license is granted by implication or otherwise under any intellectual property rights of LSC. LSC products are not authorized for use as critical components in life support devices or systems without express written approval of LSC.