CFD4448

CFD4448 SURFACE MOUNT ULTRA HIGH SPEED SILICON SWITCHING DIODE w w w. c e n t r a l s e m i . c o m 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 SOD-882L CASE 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) Peak Repetitive Reverse Voltage Continuous Forward Current Peak Repetitive Forward Current Peak Forward Surge Current, tp=1 .0μs Peak Forward Surge Current, tp=1 .0s Power Dissipation Operating and Storage Junction Temperature Thermal Resistance 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. SYMBOL VRRM IF IFRM IFSM IFSM PD TJ, Tstg ΘJA 120 250 500 4.0 1.0 100 -65 to +150 1250 UNITS V mA mA A A mW °C °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless SYMBOL TEST CONDITIONS IR VR=50V IR VR=50V, TA=125°C IR VR=100V BVR IR=100μA VF IF=1.0mA VF IF=10mA VF IF=100mA CT VR=0, f=1.0MHz trr IR=IF=10mA, Irr=1.0mA, RL=100Ω otherwise noted) MIN TYP MAX 300 100 500 0.65 0.77 1.0 2.0 4.0 120 0.55 0.67 0.85 150 0.59 0.72 0.91 2.0 UNITS nA μA nA V V V V pF ns R0 (16-September 2010) CFD4448 SURFACE MOUNT ULTRA HIGH SPEED SILICON SWITCHING DIODE SOD-882L CASE - MECHANICAL OUTLINE (TOP VIEW) LEAD CODE: 1) Cathode 2) Anode (SIDE VIEW) MARKING CODE: X R0 (BOTTOM VIEW) R0 (16-September 2010) w w w. c e n t r a l s e m i . c o m