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General Semiconductor

LL4148 Datasheet Preview

LL4148 Datasheet

Small Signal Diodes

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LL4148
Small Signal Diodes
MiniMELF
Cathode Mark
.142 (3.6)
.134 (3.4)
.019 (0.48)
.011 (0.28)
FEATURES
Silicon Epitaxial Planar Diodes
Fast switching diode in MiniMELF case
especially suited for automatic insertion.
This diode is also available in other case styles
including: the DO-35 case with the type designation
1N4148, the SOD-123 case with the type
designation 1N4148W, and the SOT-23
case with the type designation IMBD4148.
Dimensions in inches and (millimeters)
MECHANICAL DATA
Case: MiniMELF Glass Case (SOD-80)
Weight: approx. 0.05 g
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Reverse Voltage
VR
Peak Reverse Voltage
VRM
Forward DC current at Tamb = 25 °C
IF
Rectified Current (Average)
Half Wave Rectification with Resist. Load
at Tamb = 25 °C and f 50 Hz
I0
Surge Forward Current at t < 1 s and Tj = 25 °C
IFSM
Power Dissipation at Tamb = 25 °C
Ptot
Junction Temperature
Tj
Storage Temperature Range
TS
1) Valid provided that electrodes are kept at ambient temperature.
Value
75
100
2001)
1501)
500
5001)
175
–65 to +175
Unit
V
V
mA
mA
mA
mW
°C
°C
4/98




General Semiconductor

LL4148 Datasheet Preview

LL4148 Datasheet

Small Signal Diodes

No Preview Available !

LL4148
ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified
Symbol
Min.
Forward Voltage
at IF = 10 mA
VF
Leakage Current
at VR = 20 V
at VR = 75 V
at VR = 20 V, Tj = 150 °C
IR
IR
IR
Capacitance
at VF = VR = 0
Voltage Rise when Switching ON
tested with 50 mA Forward Pulses
tp = 0.1 µs, Rise Time < 30 ns, fp = 5 to 100 kHz
Reverse Recovery Time
from IF = 10 mA to IR = 1 mA, VR = 6 V, RL = 100
Ctot
Vfr
trr
Thermal Resistance
Junction to Ambient Air
RthJA
Rectification Efficiency
at f = 100 MHz, VRF = 2 V
ηv 0.45
1) Valid provided that electrodes are kept at ambient temperature.
Typ.
Max.
1
Unit
V
25 nA
5 µA
50 µA
4 pF
2.5 V
4
0.351)
ns
K/mW
Rectification Efficiency Measurement Circuit


Part Number LL4148
Description Small Signal Diodes
Maker General Semiconductor
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LL4148 Datasheet PDF






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