LS4448
FAST SWITCHING SURFACE MOUNT DIODES
VOLTAGE
100 Volts
POWER
500 mW
QUADRO-MELF
Unit : inch (mm)
FEATURES
• Fast switching Speed.
• Surface Mount Package Ideally Suited For Automatic Insertion.
• Silicon Epitaxal Planar Construction.
• In compliance with EU RoHS 2002/95/EC directives
.0
67
(1
.7
)
MECHANICAL DATA
• Case: QUADRD, MELF
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Cathode Band
• Marking: Cathode Band Only
• Weight: 0.03 grams(approx)
.020(0.5)
.012(0.3)
.146(3.7)
.130(3.3)
.020(0.5)
.012(0.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
(T
J
=25°C unless otherwise noted)
PARAMETER
Peak Reverse Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current at Ta=25
Surge Forward Current at t < 1s and Tj= =25
Power Dissipation at Tamb= 25
O
O
SYMBOL
V
RM
V
DC
C And f >50Hz
I
AV
I
FSM
P
TOT
V
F
I
R
C
J
t
rr
R
θ
J A
T
J
,T
S
LS 4448
100
75
150
500
500
1.0
30
50
4
4
350
-65 to +175
.063(1.6)
.055(1.4)DIA.
UNITS
V
V
mA
mA
mW
V
nA
µA
pF
ns
O
O
C
C
Maximum Forward Voltage at I
F
=100mA
Maximum Leakage Current
at V
R
=20V
at V
R
=20V ,T
J
= 150
O
C
Maximum Capacitance at V
F
=V
R
=0
Maximum Reverse Recovery Time From
I
F
=-I
R
=10mA to I
R R
=-1mA ,V
R
=6V R
L
=100
Ω
Typical Maximum Thermal Resistance
Junction Temperature and Storage Temperature Range
C/W
O
C
NOTE:
1. CJ at V
R
=0, f=1MHZ
2. From I
F
=10mA to I
R
=1mA, V
R
=6Volts, R
L
=100Ω
STAD-FEB.06.2009
PAGE . 1
LS4448
100
10
FORWARD CURRENT, mA
REVERSE CURRENT, mA
T
A
=150
O
C
1.0
T
A
=125
O
C
10
0.1
T
A
=85
O
C
1.0
T
A
=55
O
C
0.01
T
A
=25
O
C
0.1
0.2
0.4
0.6
0.8
1.0
1.2
0.001
0
10
20
30
40
50
FORWARD VOLTAGE, Volts
REVERSE VOLTAGE, Volts
FORWARD VOLTAGE
LEAKAGE CURRENT
DIODE CAPACIT
ANCE, pF
6.0
4.5
3.5
60 W
V
RF
=2V
2nF
5k W
Vo
1.5
0
0
2
4
6
8
RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT
REVERSE VOLTAGE, Volts
TYPICAL CAPATICANCE
STAD-FEB.06.2009
PAGE . 2
LS4448
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 10K per 13" plastic Reel
T/R - 2.5K per 7" plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2009
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
STAD-FEB.06.2009
PAGE . 3
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