CFD4448
www.centralsemi.com
SURFACE MOUNT
ULTRA HIGH SPEED
DESCRIPTION:
SILICON SWITCHING DIODE
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: FEATURES:
General Purpose Switching Current (I =250mA)
O
DC - DC Converters Forward Voltage Drop (V =0.91V TYP @ 100mA)
F
Flyback Diodes Extremely Fast Switching Speed (4ns Max)
Polarity Protection Small TLP, 1.0 x 0.6 x 0.4mm, Ultra Low Profile
Battery powered applications including Leadless Surface Mount Package.
Cell Phones, Digital Cameras, Pagers,
PDAs, Laptop Computers, etc.
MAXIMUM RATINGS: (T =25C) SYMBOL UNITS
A
Peak Repetitive Reverse Voltage V 120 V
RRM
Continuous Forward Current I 250 mA
F
Peak Repetitive Forward Current I 500 mA
FRM
Peak Forward Surge Current, tp=1.0s I 4.0 A
FSM
Peak Forward Surge Current, tp=1.0s I 1.0 A
FSM
Power Dissipation P 100 mW
D
Operating and Storage Junction Temperature T , T -65 to +175 C
J stg
Thermal Resistance 1500 C/W
JA
ELECTRICAL CHARACTERISTICS: (T =25C unless otherwise noted)
A
SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
I V=50V 300 nA
R R
I V =50V, T=125C 100 A
R R A
I V=100V 500 nA
R R
BV I=100A 120 150 V
R R
V I=1.0mA 0.55 0.59 0.65 V
F F
V I=10mA 0.67 0.72 0.77 V
F F
V I=100mA 0.85 0.91 1.0 V
F F
C V =0, f=1.0MHz 2.0 pF
T R
t I =I =10mA, I =1.0mA, R =100 2.0 4.0 ns
rr R F rr L
R3 (28-September 2011)CFD4448
SURFACE MOUNT
ULTRA HIGH SPEED
SILICON SWITCHING DIODE
SOD-882L CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Cathode
2) Anode
MARKING CODE: X
R3 (28-September 2011)
www.centralsemi.com