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Diodes Semiconductor Electronic Components Datasheet

LL4448 Datasheet

FAST SWITCHING SURFACE MOUNT DIODE

No Preview Available !

LL4448 pdf
NOT RECOMMENDED FOR NEW DESIGN
USE 1N4148W / 1N4448W
LL4148 / LL4448
FAST SWITCHING SURFACE MOUNT DIODE
Features and Benefits
Fast Switching Speed
Surface Mount Package Ideally Suited for Automatic Insertion
General Purpose Rectification
Silicon Epitaxial Planar Construction
Lead Free Finish, RoHS Compliant (Note 1)
Mechanical Data
Case: MiniMELF
Case Material: Glass: UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish - Sn97.5Ag2.5. Solderable per MIL-STD-202,
Method 208
Polarity: Cathode Band
Marking: Cathode Band Only
Weight: 0.05 grams (approximate)
Ordering Information (Note 2)
Notes:
Part Number
LL4148-13
LL4448-7
Case
MiniMELF
MiniMELF
1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2). All applicable RoHS exemptions applied.
2. For Packaging Details, go to our website at http://www.diodes.com.
Packaging
10K/Tape & Reel, 13-inch
2.5K/Tape & Reel, 7-inch
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 3)
Average Rectified Output Current (Note 3)
Non-Repetitive Peak Forward Surge Current
@ t = 1.0s
@ t = 1.0μs
Power Dissipation (Note 3)
Derate above 25°C
Thermal Resistance, Junction to Ambient Air (Note 3)
Operating and Storage Temperature Range
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
PD
RθJA
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 @TA = 25°C unless otherwise specified
Forward Voltage
Characteristic
LL4148
LL4448
LL4448
Maximum Peak Reverse Current (Note 4)
Capacitance
Symbol
VF
IRM
CJ
Min
-
0.62
-
-
-
-
-
-
Reverse Recovery Time
trr -
Notes:
3. Valid provided that device terminals are kept at ambient Temperature.
4. Short duration pulse test used to minimize self-heating effect.
Max
1.0
0.72
1.0
5.0
50
30
25
4.0
4.0
Unit
V
μA
μA
μA
nA
pF
ns
Test Condition
IF = 10mA
IF = 5.0mA
IF = 100mA
VR = 75V
VR = 75V, TJ = 150°C
VR = 75V, TJ = 150°C
VR = 75V
VR = 0, f = 1.0MHz
IF = 10mA, to IR = 1.0mA,
VR = 6.0V, RL = 100
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
1 of 3
www.diodes.com
May 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

LL4448 Datasheet

FAST SWITCHING SURFACE MOUNT DIODE

No Preview Available !

LL4448 pdf
NOT RECOMMENDED FOR NEW DESIGN
USE 1N4148W / 1N4448W
LL4148 / LL4448
1,000
100
10
1.0
0.1
0.01
0
12
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
10,000
1,000
100
10
1
0 100 200
Tj, JUNCTION TEMPERATURE (°C)
Fig. 2 Typical Leakage Current vs. Junction Temperature
Package Outline Dimensions
A
C
B
MiniMELF
Dim Min Max
A 3.30 3.70
B 1.30 1.60
C 0.28 0.50
All Dimensions in mm
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
2 of 3
www.diodes.com
May 2012
© Diodes Incorporated


Part Number LL4448
Description FAST SWITCHING SURFACE MOUNT DIODE
Maker Diodes Incorporated
Total Page 3 Pages
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LL4448 pdf
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