MMBD4448 WTE POWER SEMICONDUCTORS SURFACE MOUNT FAST SWITCHING DIODE Features ! High Conductance L ! ! Fast Switching Surface Mount Package Ideally Suited for Automatic Insertion ! For General Purpose and Switching B ! Plastic Material – UL Recognition Flammability Classification 94V-O A TOP VIEW C M E D H Dim A B C D E G H J K L M Mechanical Data ! ! ! ! ! ! Case: SOT-23, Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: See Diagram Weight: 0.008 grams (approx.) Mounting Position: Any Marking: A3 K J G TOP VIEW SOT-23 Min 0.37 1.19 2.10 0.89 0.45 1.78 2.65 0.013 0.89 0.45 0.076 Max 0.51 1.40 2.50 1.05 0.61 2.05 3.05 0.15 1.10 0.61 0.178 All Dimensions in mm Maximum Ratings @TA=25°C unless otherwise specified Characteristic Symbol Value Unit Non-Repetitive Peak Reverse Voltage VRM 100 V VRRM VRWM VR 75 V Forward Continuous Current (Note 1) IF 500 mA Average Rectified Output Current (Note 1) IO 250 mA IFSM 4.0 A Pd 350 mW RJA 357 °C/W Tj, TSTG -65 to +150 °C Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Peak Forward Surge Current (Note 1) @ t < 1.0µs Power Dissipation (Note 1) Typical 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 Test Condition Forward Voltage VF — 0.72 1.0 V @ IF = 5mA @ IF = 100mA Reverse Leakage Current IR — 2.5 µA @ VR = 75V Junction Capacitance Cj — 4.0 pF VR = 0V, f = 1.0MHz Reverse Recovery Time trr — 4.0 nS IF = IR = 10mA, IRR = 0.1 x IR, RL = 100 Note: 1. Device mounted on fiberglass substrate 40 x 40 x 1.5mm. MMBD4448 1 of 3 © 2002 Won-Top Electronics 10,000 100 IR, LEAKAGE CURRENT (nA) IF, INSTANTANEOUS FORWARD CURRENT (mA) 1000 10 1.0 0.1 1000 100 10 VR = 20V 1 0.01 0 1 2 100 200 Tj, JUNCTION TEMPERATURE (°C) Fig. 2 Leakage Current vs Junction Temperature VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 1 Forward Characteristics MMBD4448 0 2 of 3 © 2002 Won-Top Electronics ORDERING INFORMATION Product No.! Package Type Shipping Quantity MMBD4448-T1 SOT-23 3000/Tape & Reel MMBD4448-T3 SOT-23 10000/Tape & Reel Products listed in bold are WTE Preferred devices. ! T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel. Shipping quantity given is for minimum packing quantity only. For minimum order quantity, please consult the Sales Department. RECOMMENDED FOOTPRINT 0.035 (0.90) 0.079 (2.0) 0.035 (0.90) 0.031 (0.8) 0.037 (0.95) inches(mm) Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein without further notice. WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life support devices or systems without the express written approval. Won-Top Electronics Co., Ltd. No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email: [email protected] Internet: http://www.wontop.com MMBD4448 We power your everyday. 3 of 3 © 2002 Won-Top Electronics