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LL4448 Datasheet Preview

LL4448 Datasheet

Fast Switching Surface Mount Diode

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LL4448 pdf
LL4148/LL4448
Fast Switching Surface Mount Diode
MINI MELF
Features
— Fast Switching Speed
— Surface Mount Package Ideally Suited for
Automatic Insertion
— General Purpose Rectification
— Silicon Epitaxial Planar Construction
Mechanical Data
— Case: MiniMELF
— Polarity: Cathode Band
— Marking: Cathode Band Only
— Weight: 0.12 grams (approx.)
Dimension in millimeters
Maximum Ratings and Electrical Characteristics
Rating at 25oC ambient temperature unless otherwise specified.
Maximum Ratings
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
Average Rectified Output Current (Note 1)
Non-Repetitive Peak Forward Surge Current @ t = 1.0s
@ t = 1.0ms
Power Dissipation (Note 1)
Derate Above 25°C
Thermal Resistance, Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Pd
RqJA
Tj , TSTG
LL4148
LL4448
100
75
53
300 500
150
1.0
2.0
500
1.68
300
-65 to +175
Unit
V
V
V
mA
mA
A
mW
mW/°C
K/W
°C
Electrical Characteristics
Characteristic
Maximum Forward Voltage
Maximum Peak Reverse Current
Capacitance
Reverse Recovery Time
LL4148
LL4448
LL4448
Symbol
VFM
IRM
Cj
trr
Min
¾
0.62
¾
¾
¾
¾
Max
1.0
0.72
1.0
5.0
50
30
25
4.0
4.0
Unit
V
mA
mA
mA
nA
pF
ns
Test Condition
IF = 10mA
IF = 5.0mA
IF = 100mA
VR = 75V
VR = 70V, Tj = 150°C
VR = 20V, Tj = 150°C
VR = 20V
VR = 0, f = 1.0MHz
IF = 10mA to IR =1.0mA
VR = 6.0V, RL = 100W
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
http://www.luguang.cn
mail:lge@luguang.cn



LGE
LGE

LL4448 Datasheet Preview

LL4448 Datasheet

Fast Switching Surface Mount Diode

No Preview Available !

LL4448 pdf
LL4148/LL4448
Fast Switching Surface Mount Diode
1000
10,000
100
10
1.0
0.1
0.01
0
12
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
1000
100
10
1
0
VR = 20V
100 200
Tj, JUNCTION TEMPERATURE (°C)
Fig. 2, Leakage Current vs Junction Temperature
http://www.luguang.cn
mail:lge@luguang.cn


Part Number LL4448
Description Fast Switching Surface Mount Diode
Maker LGE
Total Page 2 Pages
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