SMD Type
Surface Mount Fast Switching Diodes
1N4148WS
SOD-323
+0.1
1.7
-0.1
Diodes
Unit: mm
Fast Switching Speed
For General Purpose Switching Applications
High Conductance
0.475
0.375
+0.1
2.6
-0.1
1.0max
Absolute Maximum Ratings Ta = 25
Parameter
Non-repetitive peak reverse voltage
Peak repetitive reverse voltage
Working peak reverse voltage
DC blocking voltage
RMS reverse voltage
Average rectified output current
Forward continuous current
Non-repetitive peak forward surge current@ t = 1.0s
@ t = 1.0 us
Power dissipation *
Typical thermal resistance, junction to ambient air*
Operating and storage temperature range
P
D
R
èJA
T
j
,T
stg
Symbol
V
RM
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FM
I
FSM
53
150
300
1.0
2.0
350
625
-65 to +150
mW
K/W
V
mA
mA
A
75
V
Rating
100
Unit
V
* Part mounted on FR-4 PC board with recommended pad layout,
Electrical Characteristics Ta = 25
Parameter
Reverse Breakdown Voltage
Symbol
V
(BR)R
I
R
= 1.0
A
Testconditons
Min
75
0.715
0.855
1.0
1.25
1.0
50
30
25
2.0
I
R
, R
L
= 100 Ù
4.0
nA
pF
ns
A
V
Typ
Max
Unit
V
I
F
= 10mA
Forwarad voltage
V
FM
I
F
= 10mA
I
F
= 50mA
I
F
= 150mA
V
R
= 75V
Peak reverse current
I
RM
V
R
= 75V, Tj = 150
V
R
= 25V, Tj = 150
V
R
= 20V
Capacitance
Reverse recovery time
C
T
t
rr
V
R
= 0, f = 1.0MHz
I
F
= I
R
=10mA,Irr = 0.1
Marking
Marking
T4
0.1
+0.05
-0.02
+0.1
1.3
-0.1
Features
+0.05
0.3
-0.05
+0.05
0.85
-0.05
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