SILICON SWITCHING DIODE
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 CE...
Description
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 +175 1500
UNITS V mA mA A A
mW °C °C/W
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
SYMBOL TEST CONDITIONS
MIN TYP
IR IR IR BVR VF VF VF CT trr
VR=50V VR=50V, TA=125°C VR=100V IR=100μA IF=1.0mA IF=10mA IF=100mA VR=0, f=1.0MHz IR=IF=10mA, Irr=1.0mA, RL=100Ω
120 0.55 0.67 0.85
150 0.59 0.72 0.91
2.0
MAX 300 100 500
0.65 0.77 1.0 2.0 4.0
UNITS nA μA nA V V V V pF ns
R3 (28-September 2011)
CFD4...
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