Diodes LL4148-7 Fast switching surface mount diode Datasheet

NOT RECOMMENDED FOR NEW DESIGN
USE 1N4148W / 1N4448W
LL4148 / LL4448
FAST SWITCHING SURFACE MOUNT DIODE
Features and Benefits
Mechanical Data
•
•
•
•
•
•
•
•
•
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)
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)
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•
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Ordering Information (Note 2)
Part Number
LL4148-13
LL4448-7
Notes:
Case
MiniMELF
MiniMELF
Packaging
10K/Tape & Reel, 13-inch
2.5K/Tape & Reel, 7-inch
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.
Maximum Ratings @TA = 25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
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
LL4148
100
LL4448
Unit
V
75
V
53
300
500
150
1.0
2.0
500
1.68
300
-65 TO +175
IFSM
PD
RθJA
TJ, TSTG
V
mA
mA
A
mW
mW/°C
K/W
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic
Maximum Peak Reverse Current (Note 4)
IRM
Capacitance
CJ
Min
0.62
-
Reverse Recovery Time
trr
-
Forward Voltage
Notes:
Symbol
LL4148
LL4448
LL4448
VF
Max
1.0
0.72
1.0
5.0
50
30
25
4.0
Unit
4.0
ns
V
μA
μA
μA
nA
pF
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 = 100Ω
3. Valid provided that device terminals are kept at ambient Temperature.
4. Short duration pulse test used to minimize self-heating effect.
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
1 of 3
www.diodes.com
May 2012
© Diodes Incorporated
1,000
LL4148 / LL4448
10,000
100
IR, LEAKAGE CURRENT (nA)
IF, INSTANTANEOUS FORWARD CURRENT (mA)
NOT RECOMMENDED FOR NEW DESIGN
USE 1N4148W / 1N4448W
10
1.0
0.1
1,000
100
10
1
0.01
0
1
0
100
200
Tj, JUNCTION TEMPERATURE (° C)
Fig. 2 Typical Leakage Current vs. Junction Temperature
2
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
Package Outline Dimensions
A
B
C
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
MiniMELF
Dim
Min
Max
A
3.30
3.70
B
1.30
1.60
C
0.28
0.50
All Dimensions in mm
2 of 3
www.diodes.com
May 2012
© Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE 1N4148W / 1N4448W
LL4148 / LL4448
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Copyright © 2012, Diodes Incorporated
www.diodes.com
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
3 of 3
www.diodes.com
May 2012
© Diodes Incorporated
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