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1N4448WS Datasheet, PDF (1/3 Pages) Won-Top Electronics – SURFACE MOUNT FAST SWITCHING DIODE
WTE
POWER SEMICONDUCTORS
1N4448WS
SURFACE MOUNT FAST SWITCHING DIODE
Features
! High Conductance
! Fast Switching Speed
! Surface Mount Package Ideally Suited for
Automatic Insertion
! For General Purpose Switching Application
C
! Plastic Material – UL Recognition Flammability
Classification 94V-O

E
Mechanical Data
! Case: SOD-323, Molded Plastic
! Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
! Polarity: Cathode Band
! Weight: 0.004 grams (approx.)
! Marking: A3
Maximum Ratings @TA=25°C unless otherwise specified
A
SOD-323
Dim Min
Max
D
A
2.30 2.70
B
B
1.75 1.95
C
1.15 1.35
D
0.25 0.35
G
E
0.05 0.15
G
0.70 0.95
H
0.30
—
All Dimensions in mm
H
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current
Power Dissipation (Note 1)
@ t = 1.0µs
@ t = 1.0s
Typical Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Pd
RJA
Tj, TSTG
Value
Unit
100
V
75
V
53
V
500
mA
250
mA
4.0
2.0
A
200
mW
625
K/W
-65 to +150
°C
Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Symbol
Forward Voltage Drop
@ IF = 5.0mA
@ IF = 100mA
VFM
Peak Reverse Leakage Current
@ VR = 75V
IRM
Junction Capacitance (VR = 0V DC, f = 1.0MHz)
Cj
Reverse Recovery Time (Note 2)
trr
Note: 1. Valid provided that terminals are kept at ambient temperature.
2. Measured with IF = IR = 10mA, IRR = 0.1 x IR, RL = 100.
Value
Unit
0.72
1.0
V
2.5
µA
4.0
pF
4.0
nS
1N4448WS
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© 2002 Won-Top Electronics