SMD Type
Surface Mount Fast Switching Diode
KMBD4148
SOT-23
+0.1
2.9
-0.1
+0.1
0.4
-0.1
Diodes
Unit: mm
+0.1
2.4
-0.1
■
Features
●Fast
Switching Speed
●For
General Purpose Switching Applications
●
High Conductance
3
+0.1
1.3
-0.1
1
+0.1
0.95
-0.1
+0.1
1.9
-0.1
2
0.55
0.4
3
+0.05
0.1
-0.01
■
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
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0ìs
@ t = 1.0s
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
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
FM
I
O
I
FSM
53
300
200
2
1
350
357
-65 to +150
mW
℃/W
℃
V
mA
mA
A
75
V
Rating
100
Unit
V
■
Electrical Characteristics Ta = 25℃
Parameter
Breakdown Voltage
Symbol Testconditons
V
R
I
R
= 100
μA
I
F
= 1.0mA
Forward Voltage
V
F
I
F
= 10mA
I
F
= 50mA
I
F
= 150mA
V
R
= 75V
Reverse Current
I
R
V
R
= 75V, T
j
= 150℃
V
R
= 25V, T
j
= 150℃
Total Capacitance
Reverse Recovery Time
C
T
t
rr
V
R
= 0, f = 1.0MHz
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100 Ù
Min
75
0.715
0.855
1.0
1.25
1.0
50
30
2.0
4.0
ìA
ìA
ìA
pF
ns
V
Typ
Max
Unit
V
Note: 1. Device mounted on fiberglass substrate 40 x 40 x 1.5mm.
0-0.1
1
+0.1
0.38
-0.1
0.97
+0.1
-0.1
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1
SMD Type
Surface Mount Fast Switching Diode
KMBD4148
500
See Note 1
Diodes
P
d
, POWER DISSIPATION (mW)
400
I
F
, INSTANTANEOUS FORWARD CURRENT (mA)
1000
100
300
T
A
= +150°C
200
T
A
= +125°C
10
T
A
= +75°C
T
A
= +25°C
T
A
= -25°C
600
800
1000
1200
100
0
0
100
200
0.1
400
T
A
, AMBIENT TEMPERATURE, (°C)
Fig. 1 Power Derating Curve
V
F
, INSTANTANEOUS FORWARD VOLTAGE (mV)
Fig. 2, Typical Forward Characteristics
I
F
, INSTANTANEOUS REVERSE CURRENT (
µ
A)
10
1
V
R
= 75V
V
R
= 20V
0.1
0.01
0.001
0.0001
0
50
100
150
200
T
j
, JUNCTION TEMPERATURE (
°C
)
Fig. 3, Typical Reverse Characteristics
2
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