LL4148 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Small Signal Fast Switching Diodes

Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
HIGH SPEED SILICON SWITCHING DIODES
LL4148
LL4448
SOD - 80C
Mini MELF (LL- 34 )
Polarity: Cathode is indicated by a black band
Hermetically Sealed, Glass Silicon Diodes
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
Peak Repetitive Reverse Voltage
SYMBOL
V_RRM
Reverse Voltage (Continuous)
V_R
Average Rectified Forward Current
I_F (av)
Forward Current (DC)
I_F
Repetitive Peak Forward Current
I_FRM
Non Repetitive Peak Surge Current t=1 µs
I_FSM
t=1 s
I_FSM
Power Dissipation up to Tamb=25 ºC
P_tot
Derating factor
Operating and Storage Junction Temperature
Range
T_j, T_stg
VALUE
100
75
150
200
450
2000
500
500
2.85
- 65 to +200
ELECTRICAL CHARACTERISTICS (T_a=25 ºC Unless Otherwise Specified)
DESCRIPTION
SYMBOL
TEST CONDITION
Forward Voltage
Reverse Current
V_F I_F=10mA
I_F=5mA
I_F=100mA
I_R V_R=20V
V_R=75V
LL4148
LL4448
LL4448
Reverse Breakdown Voltage
V_R=20V, T_j=100º C, LL4448
V_R=20V, T_j=150º C
V_BR
I_R=100µA
DYNAMIC CHARACTERISTICS
Diode Capacitance
Forward Recovery Voltage
Reverse Recovery Time
C_d V_R=0V, f=1MHz
V_fr I_F=50mA, t_r=20ns
t_rr
I_F=10mA to I_R=60mA, R_L=100 Ω,
Measured at I_R=1mA
UNIT
V
V
mA
mA
mA
mA
mA
mW
mW/K
ºC
MIN MAX UNIT
1.0
V
0.62 0.72
V
1.0
V
25
nA
5.0
µA
3.0
µA
50
µA
100
V
4.0
pF
2.5
V
4.0
ns
LL4148_4448 Rev-1 281107E
Continental Device India Limited
Data Sheet
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