LL4148
FAST SWITCHING SURFACE MOUNT DIODES
VOLTAGE
100 Volts
POWER
500 mWatts
MINI-MELF/LL-34
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
MECHANICAL DATA
• Case: Mini Melf, Glass
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Cathode Band
• Marking: Cathode Band Only
• Weight: 0.03 grams
• Packing information
T/R - 2.5K per 7" plastic reel
T/R - 10K per 13” plastic reel
.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 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
C And f >50Hz
LL4148
100
150
500
500
1.0
25
5
50
4
4
300
-65 to +175
.055(1.4)DIA.
.063(1.6)
UNITS
V
mA
mA
mW
V
nA
µA
µA
pF
ns
O
I
AV
I
FSM
P
TOT
V
F
I
R
C
J
t
rr
Rθ
J A
T
J
,T
S
O
C
C
Maximum Forward Voltage at I
F
=10mA
Maximum Leakage Current
at V
R
=20V
at V
R
=75V
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
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-JUL.31.2007
PAGE . 1
LL4148
RATING A ND CHARACTERISTIC CURVES
A
10
2
I
v=tp / T T =1/fp
tp
I
FRM
T
t
I
FRM
10
1
V=0
V=0.1
10
0
V=0.2
V=0.3
10
-1
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
S
tp
Fig.1 A DMISSIBLE REPETITIVE PEAK FORWARD CURRENT VERSUS PULSE DURATION
10
4
10
3
T
J
=25 C
f=1KHz
O
FORWARD RESISTANCE,
W
10
3
FORWARD CURRENT, mA
10
2
10
1
10
2
10
0
10
1
10
-1
T
J
=100 C~T
J
=25 C
O
O
10
10
-2
0
10
-2
10
-1
10
0
10
1
10
2
0
1
FORWARD VOLTAGE, VOLTS
2
FORWARD CURRENT, mA
Fig.2-DYNAMIC FORWARD RESISTANCE
VERSUS FORWARD CURRENT
Fig.3 FORWARD CHARACTERISTICS
POWER DISSIPATION, mW
1.1
500
T
J
=25
O
C
f=1KHz
300
CAPACITANCE, pF
100
200
1.0
0.9
0.8
100
0.7
0
AMBIENT TEMPERATURE
0
2
4
6
8
1.0
REVERSE VOLTAGE, VOLTS
Fig.4 DERATING CURVE
Fig.5 TYPICAL JUNCTION CAPACITANCE
STAD-JUL.31.2007
PAGE . 2
LL4148
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 2007
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-JUL.31.2007
PAGE . 3
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