LL4148 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Small Signal Fast Switching Diodes

Diode Semiconductor Korea
LL4148
SMALL SIGNAL SWITCHING DIODE
FEATURES
Silicon epitaxial diode
High speed switching diode
500mW power dissipation
1111REVERSE VOLTAGE: 75 V
CURRENT: 0.15 A
MINI-MELF
Cathode indification
MECHANICAL DATA
Case:MINI-MELF glass case
Polarity:Color band denotes cathode
3.4 +0.3
-0.1
Weight: Approx 0.031 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25^oC ambient temperature unless otherwise specified
MAXIMUM RATINGS
Reverse voltage
V_R
Peak reverse voltage
V _RM
Average forw ard rectified current
Half w ave rectification w ith resistive load
IO
at t_amb=25^oC and f 50Hz
Forw ard surge current at t 1S and T_J=25^oC
I_FSM
Pow er dissipaton at t_amb=25^oC
P_tot
Junction temperature
T_J
Storage temperature range
T_STG
1) Valid prov ided that electrodes are kept at ambient temperature.
ELECTRICAL CHARACTERISTICS
Forw ard voltage @ I_F=10mA
V_F
Leakage current
at V_R=20V
I_R
at V_R=75V
I_R
111111111at V_R=20V T_J=150^oC
I_R
Capacitance at V_F=V_R=0V
C_tot
Voltage rise w hen sw itching on
tested w ith 50mA pulses
V_fr
tp=0,1 S,rise time 30ns, fp=5 to 100KHz
Reverse recovery time
f rom I_F=10mA
t_rr
V_R=6V,R_L=100 ,at I_R=1mA
Thermal resistance junction to ambient
R _JA
Rectification effciency at 100MHz,V_RF=2V
V
1)Valid prov ided that electrodes are kept at ambient temperature
MIN
-
-
-
-
-
-
-
0.45
LL4148
75.0
100.0
150.0
500.00
500.0¹⁾
175.0
35-55--- +175
TYP
-
-
-
-
-
-
-
-
0.4 0.1
Dimensions in millimeters
UNITS
V
V
mA
mA
mW
o_C
o_C
MAX
1.0
25.0
5.0
50.0
4.0
2.5
UNITS
V
nA
A
A
pF
V
4.0
ns
350.0¹⁾
-
K/W
-
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