DS12002 Rev. 9 - 2
1 of 3
1N4448W
1N4448W
FAST SWITCHING SURFACE MOUNT DIODE
Case: SOD-123, Molded Plastic
Plastic Material: UL Flammability Rating
Classification 94V-0
Moisture Sensitivity: Level 1 perJ-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Date Code and Type Code: See Page 3
Type Code: T5
Weight: 0.01 grams (approx.)
Ordering Information See Page 3
Mechanical Data
A
B
C
D
E
G
a
H
J
Features
Characteristic
Symbol
1N4448W
Unit
Non-Repetitive Peak Reverse Voltage
V
RM
100
V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
75
V
RMS Reverse Voltage
V
R(RMS)
53
V
Forward Continuous Current
I
FM
500
mA
Average Rectified Output Current
I
O
250
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0ms
@ t = 1.0s
I
FSM
4.0
2.0
A
Power Dissipation (Note 2)
P
d
400
mW
Thermal Resistance Junction to Ambient Air (Note 2)
R
qJA
315
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 1)
V
(BR)R
75
V
I
R
= 10mA
Forward Voltage (Note 1)
V
FM
0.62
0.72
0.855
1.0
1.25
V
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
Peak Reverse Current (Note 1)
I
RM
2.5
50
30
25
mA
mA
mA
nA
V
R
= 75V
V
R
= 75V, T
j
= 150C
V
R
= 25V, T
j
= 150C
V
R
= 20V
Total Capacitance
C
T
4.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
4.0
ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100W
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
Notes:
1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 PC board with minimum recommended pad layout, which can be found on ourwebsite
at http://www/diodes.com/datasheets/ap02001.pdf.
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.55 Typical
G
0.25
--
H
0.11 Typical
J
--
0.10
a
0
8
All Dimensions in mm
DS12002 Rev. 9 - 2
2 of 3
1N4448W
10
100
1
0.1
0
1000
800
200
400
600
I,
F
O
R
W
ARD
CURRENT
(mA)
F
V , FORWARD VOLTAGE (mV)
Fig. 2 Typical Forward Characteristics
F
Ta = -30 C
Ta = 50 C
Ta = 0 C
Ta = 85 C
Ta = 25 C
0
25
50
75
100
125
150
P
,
POWER
DISSIP
A
TION
(mW)
d
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
A
0
200
400
500
100
300
0
4
6
8
2
10
I , FORWARD CURRENT (mA)
Fig. 4 Reverse Recovery Time vs.
Forward Current
F
t
,
REVERSE
RECOVER
Y
TIME
(nS)
rr
0
0.5
1.0
1.5
2.0
2.5
0.10
1.0
10.0
0.01
0.001
0
20
40
60
80
I
,
REVERSE
CURRENT
(
A)
R
V , REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
R
Ta = 100 C
Ta = 0 C
Ta = 75 C
Ta = 50 C
Ta = 25 C
Ta = -30 C
0
4
3
2
5
1
6
V , REVERSE VOLTAGE (V)
Fig. 5 Total Capacitance vs.
Reverse Voltage
R
C
,
T
O
T
A
L
CAP
ACIT
ANCE
(pF)
T
0
1
2
3
4
f = 1MHz
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