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LS4148/LS4448
150mA Surface Mount Fast Switching Diode
Features
· Silicon Epitaxial Planar Diodes
· Electrical data identical with the devices
1N4148 and 1N4448 respectively
Quadro
Melf package
·
· Lead (Pb)-free component
· Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
B
A
Mechanical Data
QuadroMELF
· Case: QuadroMELF Glass case (SOD80)
· Weight: approx. 34 mg
· Cathode Band Color: Black
· Packaging Codes/Options:
GS18/10 k per 13" reel (8 mm tape), 10 k/box
GS08/2.5 k per 7" reel (8 mm tape), 12.5 k/box
Parameter
Test condition
1.6
1.7Æ Typical
D
0.3 Typical
Unit
V
VR
75
V
tp = 1 µs
IFSM
2
A
IFRM
500
mA
IF
300
mA
VR = 0
IFAV
150
mA
Ptot
500
mW
Part
Symbol
Min
IF = 5 mA
Test condition
LS4448
VF
Typ.
Max
Unit
620
IF = 50 mA
LS4148
720
mV
VF
860
1000
IF = 100 mA
LS4448
mV
VF
930
1000
mV
VR = 20 V
IR
25
nA
VR = 20 V, Tj = 150 °C
IR
50
µA
VR = 75 V
IR
5
µA
IR = 100 µA, tp/T = 0.01,
tp = 0.3 ms
V(BR)
Diode capacitance
VR = 0, f = 1 MHz, VHF = 50 mV
CD
Rectification efficiency
VHF = 2 V, f = 100 MHz
ηr
Reverse recovery time
1.4
C
100
Power dissipation
Breakdown voltage
B
Value
Forward continuous current
Reverse current
3.7
VRRM
Repetitive peak forward current
Forward voltage
Max
3.3
Symbol
Reverse voltage
Parameter
Min
A
@ TA = 25°C unless otherwise specified
Repetitive peak reverse voltage
Average forward current
Dim
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Peak forward surge current
C
D
100
V
4
45
pF
%
IF = IR = 10 mA, iR = 1 mA
trr
8
ns
IF = 10 mA, VR = 6 V,
iR = 0.1 x IR, RL = 100 Ω
trr
4
ns
1 of 2
1000
1000
IR- Reverse Current (nA)
IF - Forward Current (mA)
LS4148
100
Scattering Limit
10
1
Tj = 25 °C
0.1
0
0.4
0.8
1.2
1.6
1
1
100
Figure 3. Reverse Current vs. Reverse Voltage
3.0
1000
CD - Diode Capacitance (pF)
LS4448
IF - Forward Current (mA)
10
VR- Reverse Voltage (V)
94 9098
Figure 1. Forward Current vs. Forward Voltage
100
Scattering Limit
10
1
Tj = 25 °C
0
0.4
0.8
1.2
1.6
f = 1 MHz
Tj = 25 °C
2.5
2.0
1.5
1.0
0.5
0
0.1
16642
Scattering Limit
10
2.0
VF - Forward Voltage (V)
16640
Tj = 25 °C
100
0.1
2.0
VF - Forward Voltage (V)
94 9099
Figure 2. Forward Current vs. Forward Voltage
1
10
100
VR - Reverse Voltage (V)
Figure 4. Diode Capacitance vs. Reverse Voltage
2 of 2