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