D
S30003 Rev. A-2 1 of 2 LS4148
Features
LS4148
SURFACE MOUNT FAST SWITCHING DIODE
Fast Switching Speed
Surface Mount Package Ideally Suited for
Automatic Insertion
For General Purpose Switching Applications
High Conductance
Outline Similar to JEDEC 213AA
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
75
V
RMS Reverse Voltage
V
R(RMS)
53
V
Forward Continuous Current (Note 1)
I
FM
300
mA
Average Rectified Output Current (Note 1)
I
O
150
mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0
ms
I
FSM
2.0
A
Power Dissipation
P
d
500
mW
Thermal Resistance Junction to Ambient Air (Note 1)
R
qJA
300
K/W
Operating and Storage Temperature Range
T
j
, T
STG
-65 to +175
C
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Notes:
1. Valid provided that electrodes are kept at ambient temperature.
Characteristic
Symbol
Min
Max
Unit
Test Condition
Maximum Forward Voltage
V
FM
1.0
V
I
F
= 50mA
Maximum Peak Reverse Current
I
RM
25
50
5.0
nA
mA
mA
V
R
= 20V
V
R
= 20V, T
j
= 150
C
V
R
= 75V
Junction Capacitance
C
j
4.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
4.0
ns
I
F
= I
R
= 10mA, V
R
= 6V,
R
L
= 100
W
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Features
Case: QuadroMELF, Glass
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Cathode Band Only
Weight: 0.034 grams (approx.)
Mechanical Data
A
D
C
B
QuadroMELF
Dim
Min
Max
A
3.3
3.7
B
1.4
1.6
C
1.7
Typical
D
0.3 Typical
All Dimensions in mm
D
S30003 Rev. A-2 2 of 2 LS4148
1
10
100
1000
10,000
0
100
200
I
,
LEAKAGE
CURRENT
(nA)
R
T , JUNCTION TEMPERATURE ( C)
Fig. 2 Leakage Current vs Junction Temperature
j
V = 20V
R
10
1.0
100
1000
0.1
0.01
0
1
2
I
,
INST
ANT
ANE
O
US
F
O
R
W
ARD
CURRENT
(mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
T = 100 C
j
T = 25 C
j
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