SPICE MODEL: MMBD4448 MMBD4448 SURFACE MOUNT SWITCHING DIODE Features · · · · · Fast Switching Speed SOT-23 Surface Mount Package Ideally Suited for Automatic Insertion Dim Min Max A 0.37 0.51 B 1.20 1.40 C 2.30 2.50 TOP VIEW D 0.89 1.03 D E 0.45 0.60 G 1.78 2.05 H 2.80 3.00 J 0.013 0.10 0.903 1.10 For General Purpose Switching Applications A High Conductance Lead Free/RoHS Compliant (Note 3) B Mechanical Data C · · Case: SOT-23 · · · Moisture Sensitivity: Level 1 per J-STD-020C Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). K L 0.45 0.61 · · · Polarity: See Diagram M 0.085 0.180 a 0° 8° E G Case material: Molded Plastic. UL Flammability Classification Rating 94V-0 H K Terminals: Solderable per MIL-STD-202, Method 208 J M L Marking: KA3 (See Page 2) Weight: 0.008 grams (approx.) All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Symbol MMBD4448 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 Pd RMS Reverse Voltage Non-Repetitive Peak Forward Surge Current @ t = 1.0ms @ t = 1.0s Power Dissipation (Note 1) 350 mW RqJA 357 °C/W Tj , TSTG -65 to +150 °C Thermal Resistance Junction to Ambient Air (Note 1) Operating and Storage Temperature Range Electrical Characteristics Characteristic Reverse Breakdown Voltage (Note 2) Forward Voltage (Note 2) @ TA = 25°C unless otherwise specified Symbol Min Max Unit Test Condition V(BR)R 75 ¾ V IR = 2.5mA VF 0.62 ¾ ¾ ¾ 0.72 0.855 1.0 1.25 V IF = 5.0mA IF = 10mA IF = 100mA IF = 150mA mA mA mA nA VR = 75V VR = 75V, Tj = 150°C VR = 25V, Tj = 150°C VR = 20V Reverse Current (Note 2) IR ¾ 2.5 50 30 25 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 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 test pulse used to minimize self-heating effect. 3. No purposefully added lead. DS12011 Rev. 11 - 2 1 of 3 www.diodes.com MMBD4448 ã Diodes Incorporated IR, INSTANTANEOUS REVERSE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 100 10 TA = -40ºC TA = 0ºC TA = 25ºC 1 TA = 75ºC TA = 125ºC 0.1 10000 TA = 125ºC 1000 TA = 75ºC 100 TA = 25ºC 10 TA = 0ºC 1 TA = -40ºC 0.1 0.8 0.4 0 1.2 20 0 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Typical Forward Characteristics 60 40 80 100 VR, REVERSE VOLTAGE (V) Fig. 2 Typical Reverse Characteristics 500 3 Pd, POWER DISSIPATION (mW) CT, TOTAL CAPACITANCE (pF) f = 1MHz 2.5 2 1.5 1 0.5 400 300 200 100 0 0 0 30 20 10 40 0 50 TA, AMBIENT TEMPERATURE (°C) Fig. 4, Max Power Dissipation vs Ambient Temperature VR, REVERSE VOLTAGE (V) Fig. 3 Typical Capacitance vs. Reverse Voltage Ordering Information Notes: 200 100 (Note 4) Device Packaging Shipping MMBD4448-7-F SOT-23 3000/Tape & Reel 4. 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 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Code K L M 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 DS12011 Rev. 11 - 2 2 of 3 www.diodes.com MMBD4448 IMPORTANT NOTICE Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhancements, improvements, or other changes. Diodes, Inc. does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT The products located on our website at www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated. DS12011 Rev. 11 - 2 3 of 3 www.diodes.com MMBD4448 ã Diodes Incorporated