VISHAY
LL4148 / LL4448
Vishay Semiconductors
Fast Switching Diode
Features
• Silicon Epitaxial Planar Diodes
• Electrical data identical with the devices 1N4148
and 1N4448 respectively
Applications
Extreme fast switches
94 9371
Mechanical Data
Case:
MiniMELF Glass Case (SOD-80C)
Weight:
approx. 30.8 mg
Cathode Band Color:
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
Parts Table
Part
LL4148
LL4448
Type differentiation
V
RRM
= 100 V, V
F
@ I
F
50 mA < 1 V, Single Diodes
V
RRM
= 100 V, V
F
@ I
F
100 mA < 1 V, Single Diodes
Ordering code
LL4148-GS18 or LL4148-GS08
LL4448-GS18 or LL4448-GS08
Remarks
Tape and Reel
Tape and Reel
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Repetitive peak reverse voltage
Reverse voltage
Peak forward surge current
Repetitive peak forward current
Forward current
Average forward current
Power dissipation
V
R
= 0
t
p
= 1
µs
Test condition
Symbol
V
RRM
V
R
I
FSM
I
FRM
I
F
I
FAV
P
V
Value
100
75
2
500
300
150
500
Unit
V
V
A
mA
mA
mA
mW
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Junction ambient
Junction temperature
Storage temperature range
Test condition
on PC board
50 mm x 50 mm x 1.6 mm
Symbol
R
thJA
T
j
T
stg
Value
500
175
- 65 to + 175
Unit
K/W
°C
°C
Document Number 85557
Rev. 1.7, 06-Feb-04
www.vishay.com
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