DS30395 Rev. 1 - 2
1 of 2
1N4448HWT
www.diodes.com
Diodes Incorporated
1N4448HWT
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data
B
A
C
D
G
E
CATHODE MARK
T8
MARKING CODE
Characteristic
Symbol
Value
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
80
V
RMS Reverse Voltage
V
R(RMS)
57
V
Forward Continuous Current
I
FM
250
mA
Average Rectified Output Current
I
O
125
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0
ms
@ t = 1.0s
I
FSM
2.0
1.0
A
Power Dissipation (Note 2)
P
d
150
mW
Thermal Resistance Junction to Ambient (Note 2)
R
qJA
833
C/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +150
C
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Min
Max
Unit
Test Conditions
Reverse Breakdown Voltage (Note 3)
V
(BR)R
80
V
I
R
= 100
mA
Forward Voltage
V
F
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 3)
I
R
100
50
30
25
nA
mA
mA
nA
V
R
= 80V
V
R
= 75V, T
j
= 150
C
V
R
= 25V, T
j
= 150
C
V
R
= 20V
Total Capacitance
C
T
3.0
pF
V
R
= 0.5V, 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
= 100
W
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Fast Switching Speed
Ultra-Small Surface Mount Package
For General Purpose Switching Applications
High Conductance
T
C
U
D
O
R
P
W
E
N
SOD-523
Dim
Min
Max
A
1.50
1.70
B
1.10
1.30
C
0.25
0.35
D
0.70
0.90
E
0.10
0.20
G
0.50
0.70
All Dimensions in mm
Case: SOD-523, Molded Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Finish - Matte Tin (Note 1)
Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking Code: T8
Weight: 0.002 grams (approx.)
Device
Packaging
Shipping
1N4448HWT-7
SOD-523
3000/Tape & Reel
(Note 4)
Ordering Information
Note:
1. If lead-bearing terminal plating is required, please contact your Diodes Inc. sales representative for availability and minimum
order details.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used so as to minimize self-heating effect.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
SPICE MODEL: 1N4448HWT
DS30395 Rev. 1 - 2
2 of 2
1N4448HWT
www.diodes.com
T
C
U
D
O
R
P
W
E
N
0
50
0
25
50
75
100
125
P,
P
O
WER
D
ISSIP
A
TI
O
N(
m
W
)
D
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Derating Curve
100
200
150
150
10
100
1
0.1
0
1000
800
200
400
600
I,
F
O
R
W
ARD
C
URRENT
(mA)
F
V , FORWARD VOLTAGE (mV)
F
Fig. 2 Typical Forward Characteristics
Ta = -30
C
Ta = 50
C
Ta = 0
C
Ta = 85
C
Ta = 25
C
0
4
6
8
2
10
I , FORWARD CURRENT (mA)
F
Fig. 4 Reverse Recovery Time vs.
Forward Current
t
,
REVERSE
RECOVER
Y
T
IME
(
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
V , REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Characteristics
Ta = 100
C
Ta = 0
C
Ta = 75
C
Ta = 50
C
Ta = 25
C
Ta = -30
C
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