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LL4148-13 Datasheet, PDF (1/3 Pages) Diodes Incorporated – FAST SWITCHING SURFACE MOUNT DIODE
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
-
-
-
-
-
-
Max
1.0
0.72
1.0
5.0
50
30
25
4.0
Reverse Recovery Time
trr
-
4.0
Notes:
3. Valid provided that device terminals are kept at ambient Temperature.
4. Short duration pulse test used to minimize self-heating effect.
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 = 100Ω
LL4148 / LL4448
Document number: DS12013 Rev. 10 - 3
1 of 3
www.diodes.com
May 2012
© Diodes Incorporated