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LL4148 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Small Signal Fast Switching Diodes
Glass-Encapsulate Diodes
FAST SWITCHING DIODES
FEATURES
Silicon epitaxial diode
500mW power dissipation
High speed switching diode
MECHANICAL DATA
Polarity:Color band denotes cathode
Case: LL-34 glass case
Weight: Approx 0.031 grams
LL4148
Cathode indification
3.5 0.2
0.4 0.1
LL-34(SOD-80) Dimensions in millimeters
Absolute Maximum Ratings (TA=25 unless otherwise noted)
Parameter
Symbol
Reverse voltage
VR
Peak reverse voltage
VRM
Average Rectified Current
IO
Non-repetitive Peak Forward Current
Pow er dissipaton at tamb=25oC
IFSM
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1) Valid prov ided that electrodes are kept at ambient temperature.
Value
75
100
150
500 1)
500
175
-55-175
ELECTRICAL CHARACTERISTICS (Tamb=25
Parameter
Symbol
Forward voltage
@ IF=10mA
VF
Leakage current
at VR=20V
IR
at VR=75V
IR
at VR=20V TJ=150oC
IR
Capacitance at VF=VR=0V
Ctot
Voltage rise when switching on tested with
Vfr
50mA pulses tp=0,1uS , rise time 30ns, f
p=5 to 100KHz
Reverse recovery time from IF=10mA
trr
VR=6V,RL=100 ,at IR=1mA
Thermal resistance junction to ambient
RθJA
Rectification effciency at 100MHz,VRF=2V
V
unless otherwise specified)
Min.
Typ.
0.45
Max.
1.0
25
5
50
4
2.5
4.0
350
Unit
v
v
mA
mA
mW
oC
oC
Unit
v
nA
uA
uA
pF
V
nS
K/W
GUANGDONG HOTTECH INDUSTRIAL CO,. LTD.
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