Data Sheet
Description
1N4448W High Speed
Switching Diode
Mechanical Dimensions
INCHES
DIM
A
B
C
D
E
F
G
H
MM
MIN
0.055
0.100
0.037
0.020
0.004
0.000
MAX MIN MAX
0.071
1.40 1.80
0.112
2.55 2.85
0.053
0.95 1.35
0.028
0.50 0.70
0.25
0.004 0.00 0.10
0.006
0.15
0.140 0.152
3.55 3.85
1N4448W
SOD-123
1. CATHODE
2. ANODE
Features
n
SURFACE MOUNT PACKAGE
n
MEETS UL SPECIFICATION
94V-0
n
FAST SWITCHING DIODE
n
ELECTRICALLY IDENTICAL TO
JEDEC 1N4448
Electrical Characteristics @ 25
O
C.
Maximum Ratings
Peak Reverse Voltage...V
RM
RMS Reverse Voltage...V
R(rms)
Average Rectified Current...I
F(AV)
Peak Forward Surge Current...I
FSM
1N4448W
100
75
............................................. 150 ...............................................
............................................. 500 ...............................................
Units
Volts
Volts
mAmps
mAmps
mW
°C/W
°C
Volts
nAmps
µAmps
µAmps
pF
nS
nS
-
Power Dissipation...P
D
............................................. 500 ...............................................
............................................. 450 ...............................................
Thermal Resistence...R
θJA
Storage and Operating Temperature Range...T
STRG & J
..................................... -65 to 150 ......................................
Electrical Characteristics
T
J
= 25
°C
Forward Voltage...V
F
@ I
F
= 10 mA
DC Reverse Current...I
R
............................................. 1.0 ...............................................
............................................. 25.0 ...............................................
............................................. 5.0 ...............................................
............................................. 50 ...............................................
............................................. 4 ...............................................
............................................. 2.5 ...............................................
............................................. 4.0 ...............................................
............................................. 0.45 min .........................................
@ V
R
= 20V
@ V
R
= 75V
V
R
= 20V, T
J
= 150°C
Typical Junction Capacitance...C
J
Voltage Rise When switched ON
( 50 mA Pulses)
Reverse Recovery Time...T
RR
Rectification Efficiency...ηv
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