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DESCRIPTION: The CENTRAL SEMICONDUCTOR CFD4448 is an ultra high speed switching diode ideal for applications where very small size and operational efficiency are prime requirements. MARKING CODE: X FEATURES: Current (IO=250mA) Forward Voltage Drop (VF=0.91V TYP @ 100mA) Extremely Fast Switching Speed (4ns Max) Small TLP, 1.0 x 0.6 x 0.4mm, Ultra Low Profile Leadless Surface Mount Package. APPLICATIONS: General Purpose Switching DC - DC Converters Flyback Diodes Polarity Protection Battery powered applications including Cell Phones, Digital Cameras, Pagers, PDAs, Laptop Computers, etc. MAXIMUM RATINGS: (TA=25°C) SYMBOL UNITS Peak Repetitive Reverse Voltage V RRM 120 V Continuous Forward Current I F 250 mA Peak Repetitive Forward Current I FRM 500 mA Peak Forward Surge Current, tp=1.0μs I FSM 4.0 A Peak Forward Surge Current, tp=1.0s I FSM 1.0 A Power Dissipation P D 100 mW Operating and Storage Junction Temperature T J, Tstg -65 to +175 °C Thermal Resistance ΘJA 1500 °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS MIN TYP MAX UNITS IR V R=50V 300 nA IR V R=50V, TA=125°C 100 μA IR V R=100V 500 nA BVR IR=100μA 120 150 V VF I F=1.0mA 0.55 0.59 0.65 V VF I F=10mA 0.67 0.72 0.77 V VF I F=100mA 0.85 0.91 1.0 V CT V R=0, f=1.0MHz 2.0 pF trr I R=IF=10mA, Irr=1.0mA, RL=100Ω 2.0 4.0 ns SOD-882L CASE R3 (28-September 2011) www.centralsemi.com
LEAD CODE: 1) Cathode 2) Anode MARKING CODE: X SOD-882L CASE - MECHANICAL OUTLINE www.centralsemi.com R3 (28-September 2011)