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Vishay Intertechnology Electronic Components Datasheet

LL4148 Datasheet

Small Signal Fast Switching Diodes

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www.vishay.com
LL4148, LL4448
Vishay Semiconductors
Small Signal Fast Switching Diodes
DESIGN SUPPORT TOOLS click logo to get started
Models
Available
MECHANICAL DATA
Case: MiniMELF (SOD-80)
Weight: approx. 31 mg
Cathode band color: black
Packaging codes / options:
GS18/10K per 13" reel (8 mm tape), 10K/box
GS08/2.5K per 7" reel (8 mm tape), 12.5K/box
FEATURES
• Silicon epitaxial planar diode
• Electrical data identical with the devices 1N4148
and 1N4448 respectively
• AEC-Q101 qualified
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• Extreme fast switches
PARTS TABLE
PART
TYPE DIFFERENTIATION
ORDERING CODE
TYPE MARKING
LL4148
LL4448
VRRM = 100 V,
VF = max. 1000 mV at IF = 50 mA
VRRM = 100 V,
VF = max. 1000 mV at IF = 100 mA
LL4148-GS08 or LL4148-GS18
LL4448-GS08 or LL4448-GS18
-
-
CIRCUIT
CONFIGURATION
Single
Single
REMARKS
Tape and reel
Tape and reel
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
Repetitive peak forward current
Forward continuous current
Average forward current
Power dissipation (1)
tp = 1 μs
VR = 0
VRRM
VR
IFSM
IFRM
IF
IF(AV)
Ptot
Note
(1) Valid provided that electrodes are kept at ambient temperature
VALUE
100
75
2
500
300
150
500
UNIT
V
V
A
mA
mA
mA
mW
THERMAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
Thermal resistance junction to ambient air (1)
Junction temperature
Storage temperature range
RthJA
TJ
Tstg
Note
(1) Valid provided that electrodes are kept at ambient temperature
VALUE
300
175
-65 to +175
UNIT
K/W
°C
°C
Rev. 2.0, 14-Jul-17
1 Document Number: 85557
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000


Vishay Intertechnology Electronic Components Datasheet

LL4148 Datasheet

Small Signal Fast Switching Diodes

No Preview Available !

www.vishay.com
LL4148, LL4448
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART SYMBOL
MIN.
Forward voltage
Reverse current
Breakdown voltage
Diode capacitance
Reverse recovery time
IF = 5 mA
IF = 50 mA
IF = 100 mA
VR = 20 V
VR = 20 V, Tj = 150 °C
VR = 75 V
IR = 100 μA, tp/T = 0.01,
tp = 0.3 ms
VR = 0 V, f = 1 MHz,
VHF = 50 mV
IF = IR = 10 mA,
iR = 1 mA
IF = 10 mA, VR = 6 V,
iR = 0.1 x IR, RL = 100 Ω
LL4448
LL4148
LL4448
VF
VF
VF
IR
IR
IR
V(BR)
CD
trr
0.620
100
TYP.
0.860
0.930
MAX.
0.720
1
1
25
50
5
4
8
4
UNIT
V
V
V
nA
μA
μA
V
pF
ns
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
1000
100
LL4148
10
1
Scattering Limit
1000
Tj = 25 °C
100
Scattering Limit
10
0.1
0
94 9096
Tj = 25 °C
0.4 0.8 1.2 1.6
VF - Forward Voltage (V)
2.0
Fig. 1 - Forward Current vs. Forward Voltage
1
1
94 9098
10
VR- Reverse Voltage (V)
100
Fig. 3 - Reverse Current vs. Reverse Voltage
1000
100
LL4448
10
Scattering Limit
1
0.1
0
94 9097
Tj = 25 ° C
0.4 0.8 1.2 1.6
VF - Forward Voltage (V)
2.0
Fig. 2 - Forward Current vs. Forward Voltage
3.0
2.5 f = 1 MHz
Tj = 25 °C
2.0
1.5
1.0
0.5
0
0.1
94 9099
1 10
V - Reverse Voltage (V)
R
100
Fig. 4 - Diode Capacitance vs. Reverse Voltage
Rev. 2.0, 14-Jul-17
2 Document Number: 85557
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000


Part Number LL4148
Description Small Signal Fast Switching Diodes
Maker Vishay Telefunken
Total Page 4 Pages
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