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MMBD4448H Datasheet(PDF) 1 Page - Diodes Incorporated |
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MMBD4448H Datasheet(HTML) 1 Page - Diodes Incorporated |
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1 / 3 page  MMBD4448H SURFACE MOUNT SWITCHING DIODE Features • Fast Switching Speed • Surface Mount Package Ideally Suited for Automated Insertion • For General Purpose Switching Applications • High Conductance • Lead Free/RoHS Compliant (Note 3) Mechanical Data • Case: SOT-23 • Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 • Moisture Sensitivity: Level 1 per J-STD-020D • Terminals: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). • Polarity: See Diagram • Marking Information: See Page 2 • Ordering Information: See Page 2 • Weight: 0.008 grams (approximate) TOP VIEW SOT-23 Internal Schematic TOP VIEW Maximum Ratings @TA = 25°C unless otherwise specified Characteristic Symbol Value Unit Non-Repetitive Peak Reverse Voltage VRM 100 V Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VRRM VRWM VR 80 V RMS Reverse Voltage VR(RMS) 57 V Forward Continuous Current (Note 1) IFM 500 mA Average Rectified Output Current (Note 1) IO 250 mA Non-Repetitive Peak Forward Surge Current @ t = 1.0 μs @ t = 1.0s IFSM 4.0 2.0 A Thermal Characteristics Characteristic Symbol Value Unit Power Dissipation (Note 1) PD 350 mW Thermal Resistance Junction to Ambient Air (Note 1) RθJA 357 °C/W Operating and Storage Temperature Range TJ , TSTG -65 to +150 °C Electrical Characteristics @TA = 25°C unless otherwise specified Characteristic Symbol Min Max Unit Test Condition Reverse Breakdown Voltage (Note 2) V(BR)R 80 ⎯ V IR = 2.5μA Forward Voltage VF 0.62 ⎯ ⎯ ⎯ 0.72 0.855 1.0 1.25 V IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA Reverse Current (Note 2) IR ⎯ 100 50 30 25 nA μA μA nA VR = 70V VR = 75V, TJ = 150°C VR = 25V, TJ = 150°C VR = 20V Total Capacitance CT ⎯ 3.5 pF VR = 6V, f = 1.0MHz Reverse Recovery Time trr ⎯ 4.0 ns VR = 6V, IF = 5mA Notes: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Short duration pulse test used to minimize self-heating effect. 3. No purposefully added lead. MMBD4448H Document number: DS30176 Rev. 9 - 2 1 of 3 www.diodes.com April 2008 © Diodes Incorporated |
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