LS4148WT
FEATURES
For surface mounted application
Silicon epitaxial planar diode
High speed switching
Ultra small surface mount package
Low leakage current
MECHANICAL DATA
Case : 0603
Case Material: "Green" molding compound, UL
flammability classification 94V-0, (No Br. Sb. Cl)
Terminals: Lead Free Plating
Polarity : Color band denotes cathode
Weight : Approx. 4mg
SURFACE MOUNT
FAST SWITCHING DIODE
REVERSE VOLTAGE
- 100
V
POWER DISSIPATION
- 400
mW
All Dimensions in millimeter
Max.
Min.
0603
Dim.
A
D
C
B
1.45
0.90
1.65
0.70
0.55
0.25 0.45
0.75
SEMICONDUCTOR
LITE-ON
0603
A
B
C
D
Electrical Characteristics
@ T
A
= 25 unless otherwise specified
℃
Forward Voltage
Junction Capacitance
V
pF
Reverse Recovery Time
nA
uA
uA
Parameters Symbol Test Condition Min. Max. Unit
Reverse Leakage Current
V
F
I
R
C
J
T
rr
ns
IF = 10mA
VR = 20V
VR = 75V
VR = 20V , T
J
=150
℃
VR = 0V ; F = 1MHz
IF = IR=10mA ; RL = 100Ω
measured at IR=1mA
1.0
25
5.0
50
4
4
Reverse Breakdown Voltage V
BR
100
IR = 1uA V
REV. 4, Oct-2010, KSYS01
Forward Continuous Current
Units
V
Reverse Voltage
Forward Surge Current at
Total Power Dissipation
Thermal Resistance Junction to Ambiant Air
Operating and Storage Temperature Range
Average Rectified Output Currnet
T
J
, T
STG
R
θ
JA
P
d
I
AV
V
RRM
I
FM
I
FSM
ValueSymbolCharacteristic
75
Maximum Ratings and Thermal Characteristics
@ T
A
= 25 unless otherwise specified
℃
Non-Repetitive Peak Reverse Voltage V
RSM
mA
mA
mA
A
/W
℃
℃
100
V
-65 to +175
mW
300
150
800
2.0
400
375
Tp = 1.0 s
Tp = 1.0us
RATING AND CHARACTERISTIC CURVES
LS4148WT
0 25 50 75 100 125 150 175 200
JUNCTION TEMPERATURE , ( )℃
1
10
100
1000
10000
INSTANTANEOUS REVERSE CURRENT ( nA )
Fig.4 - TYPICAL REVERSE CHARACTERISTICS
V
R
= 20V
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
INSTANTANEOUS FORWARD VOLTAGE , ( V )
0.1
1
10
100
1000
INSTANTANEOUS FORWARD CURRENT (mA)
Fig.3-TYPICAL FORWARD CHARACTERISTICS
T
J
= 25
℃
0.1 1 10 100
REVERSE VOLTAGE (V)
1.0
1.2
1.4
1.6
1.8
2.0
JUNCTION CAPACITANCE (pF)
Fig.5-TYPICAL JUNCTION CAPACITANCE
f =1MHz
T
J
=25℃
0 25 50 75 100 125 150 175 200
CASE TEMPERATURE , ( )℃
0
50
100
150
200
AVERAGE FORWARD CURRENT (mA)
Fig.1 - FORWARD CURRENT DERATING CURVE
RESISTIVE OR
INDUCTIVE LOAD
0 25 50 75 100 125 150 175 200
AMBIENT TEMPERATURE , ( )℃
0
100
200
300
400
500
POWER DISSIPATION (mW)
Fig.2 - POWER DISSIPATION DERATING CURVE
T
J
= 100
℃
Pulse Width: 300us
All dimensions in millimeter
0.85
Typ.
1.00
Typ.
0.51
Typ.
Recommended Mounting Pad Layout
Legal Disclaimer Notice
LS4148WT
LSC reserves the right to make changes to this document and its products and
specifications at any time without notice. Customers should obtain and confirm
the latest product information and specifications before final design, purchase or
use.
LSC makes no warranty, representation or guarantee regarding the suitability of
its products for any particular purpose, nor does LSC assume any liability for
application assistance or customer product design. LSC does not warrant or
accept any liability with products which are purchased or used for any
unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property
rights of LSC.
LSC products are not authorized for use as critical components in life support
devices or systems without express written approval of LSC.
Important Notice and Disclaimer