PANJIT LL4448

LL4448
FAST SWITCHING SURFACE MOUNT DIODES
POWER
100 Volts
VOLTAGE
500 mW
MINI-MELF/LL-34
Unit : inch (mm)
MECHANICAL DATA
.063(1.6)
• Fast switching Speed.
• Surface Mount Package Ideally Suited For Automatic Insertion.
• Silicon Epitaxal Planar Construction.
• In compliance with EU RoHS 2002/95/EC directives
.020(0.5)
.012(0.3)
.055(1.4)DIA.
FEATURES
.020(0.5)
.012(0.3)
• Case: Mini MELF
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Cathode Band
• Marking: Cathode Band Only
• Weight: 0.05 grams(approx)
.146(3.7)
.130(3.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise noted)
SYMBOL
LL4448
UNITS
Peak Reverse Voltage
VRM
100
V
Maximum DC Blocking Voltage
VDC
75
V
IAV
150
mA
IFSM
500
mA
PTOT
500
mW
PARAMETER
Maximum Average Forward Current at Ta=25
Surge Forward Current at t < 1s and Tj= =25
Power Dissipation at Tamb= 25
O
O
O
C And f >50Hz
C
C
Maximum Forward Voltage at IF =100mA
VF
1.0
V
Maximum Leakage Current
at VR =20V
at VR =20V ,TJ= 150O C
IR
30
50
nA
µA
Maximum Capacitance at VF =VR =0
CJ
4
pF
Maximum Reverse Recovery Time From
IF =-IR =10mA to IR R =-1mA ,VR =6V RL =100 Ω
trr
4
ns
Maximum Thermal Resistance
RθJ A
300
Junction Temperature and Storage Temperature Range
TJ,TS
-65 to +175
O
C/W
O
C
NOTE:
1. CJ at VR=0, f=1MHZ
2. From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω
STAD-JUL.31.2007
PAGE . 1
LL4448
RATING A ND CHARACTERISTIC CURVES
A
10
2
I
v=tp / T T =1/fp
tp
I FRM
I FRM
t
T
10 1
V=0
V=0.1
10
V=0.2
0
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
10
2
10
1
10
0
10
-1
10
-2
O
10
3
10
2
10
FORWARD CURRENT, mA
FORWARD RESISTANCE, T J =25 C
f=1KHz
1
O
O
T J =100 C~T J =25 C
0
10
10 -2
10 -1
10 0
10 1
10 2
0
FORWARD CURRENT, mA
Fig.2-DYNAMIC FORWARD RESISTANCE
VERSUS FORWARD CURRENT
1.1
T J =25 O C
f=1KHz
500
300
2
Fig.3 FORWARD CHARACTERISTICS
CAPACITANCE, pF
POWER DISSIPATION, mW
1
FORWARD VOLTAGE, VOLTS
1.0
0.9
0.8
100
0.7
0
100
AMBIENT TEMPERATURE
Fig.4 DERATING CURVE
STAD-JUL.31.2007
200
0
2
4
6
8
1.0
REVERSE VOLTAGE, VOLTS
Fig.5 TYPICAL JUNCTION CAPACITANCE
PAGE . 2
LL4448
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