MMBD4448W SURFACE MOUNT FAST SWITCHING DIODE Features · · · · Fast Switching Speed Ultra-Small Surface Mount Package For General Purpose Switching Applications High Conductance C B C Mechanical Data · · · · · · · SOT-323 A E B Case: SOT-323, Molded Plastic Case Material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Marking: KA3 (See Page 3) Weight: 0.006 grams (approx.) G H K M J D F L TOP VIEW Dim Min Max A 0.25 0.40 B 1.15 1.35 C 2.00 2.20 D 0.65 Nominal E 0.30 0.40 G 1.20 1.40 H 1.80 2.20 J 0.0 0.10 K 0.90 1.00 L 0.25 0.40 M 0.10 0.18 a 0° 8° All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Symbol Value Unit VRM 100 V VRRM VRWM VR 75 V Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage VR(RMS) 53 V Forward Continuous Current (Note 1) IFM 500 mA Average Rectified Output Current (Note 1) IO 250 mA IFSM 4.0 2.0 A RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Pd 200 mW RqJA 625 °C/W Tj , TSTG -65 to +150 °C Power Dissipation (Note 1) Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics @ TA = 25°C unless otherwise specified Characteristic Symbol Min Max Unit V(BR)R 75 ¾ ¾ IR = 10mA Forward Voltage (Note 2) VF 0.62 ¾ ¾ ¾ 0.72 0.855 1.0 1.25 V IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA Reverse Current (Note 2) IR ¾ 2.5 50 30 25 mA mA mA nA VR = 75V VR = 75V, Tj = 150°C VR = 25V, Tj = 150°C VR = 20V Total Capacitance CT ¾ 4.0 pF VR = 0, f = 1.0MHz Reverse Recovery Time trr ¾ 4.0 ns IF = IR = 10mA, Irr = 0.1 x IR, RL = 100W Reverse Breakdown Voltage (Note 2) Notes: Test Condition 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. Short duration test pulse used to minimize self-heating effect. DS30095 Rev. 5 - 2 1 of 3 www.diodes.com MMBD4448W IR, INSTANTANEOUS REVERSE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 100 10 TA = -40ºC TA = 0ºC TA = 25ºC 1 TA = 75ºC TA = 125ºC 10000 TA = 125ºC 1000 TA = 75ºC 100 TA = 25ºC 10 TA = 0ºC 1 TA = -40ºC 0.1 0.1 0.8 0.4 0 1.2 0 1.6 20 60 40 80 100 VR, REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 3 250 2.5 Pd, POWER DISSIPATION (mW) CT, TOTAL CAPACITANCE (pF) f = 1MHz 2 1.5 1 0.5 0 0 10 20 30 40 50 200 150 100 50 0 VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage DS30095 Rev. 5 - 2 2 of 3 www.diodes.com 0 100 200 TA, AMBIENT TEMPERATURE (°C) Fig. 4 Power Derating Curve, Total Package MMBD4448W Ordering Information Notes: (Note 3) Device Packaging Shipping MMBD4448W-7 SOT-323 3000/Tape & Reel 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf. Marking Information YM KA3 = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September KA3 Date Code Key Year 2002 2003 2004 2005 2006 2007 2008 2009 Code N P R S T U V W Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D DS30095 Rev. 5 - 2 3 of 3 www.diodes.com MMBD4448W