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LL4148 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Small Signal Fast Switching Diodes
LL4148 / LL4448
150mA Surface Mount Fast Switching Diode
Features
· Fast Switching Speed
· Surface Mount Package Ideally Suited for
Automatic Insertion
· General Purpose Rectification
· Silicon Epitaxial Planar Construction
Mechanical Data
· Case: MiniMELF(SOD-80)
· Terminals: Solderable per MIL-STD-202,
Method 208
· Polarity: Cathode Band
· Marking: Cathode Band Only
· Weight: 0.05 grams (approx.)
C
B
A
MiniMELF
Dim
Min
Max
A
3.30
3.70
B
1.30
1.60
C
0.28
0.50
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @ 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 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
Characteristic
Maximum Forward Voltage
LL4148
LL4448
LL4448
Symbol
VRM
VRRM
VRWM
VR
VR(RMS)
IFM
IO
IFSM
Pd
RqJA
Tj , TSTG
Symbol
VFM
Min
¾
0.62
¾
Maximum Peak Reverse Current
IRM
¾
Capacitance
Reverse Recovery Time
Cj
¾
trr
¾
Notes: 1. Valid provided that device terminals are kept at ambient temperature.
LL4148
LL4448
Unit
100
V
75
V
53
300
500
150
1.0
2.0
500
1.68
300
-65 to +175
V
mA
mA
A
mW
mW/°C
K/W
°C
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
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