DS30003 Rev. A-2 1 of 2 LS4148
Features
LS4148
SURFACE MOUNT FAST SWITCHING DIODE
·Fast Switching Speed
·Surface Mount Package Ideally Suited for
Automatic Insertion
·For General Purpose Switching Applications
·High Conductance
·Outline Similar to JEDEC 213AA
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75 V
RMS Reverse Voltage VR(RMS) 53 V
Forward Continuous Current (Note 1) IFM 300 mA
Average Rectified Output Current (Note 1) IO150 mA
Non-Repetitive Peak Forward Surge Current@ t = 1.0msIFSM 2.0 A
Power Dissipation Pd500 mW
Thermal Resistance Junction to Ambient Air (Note 1) RqJA 300 K/W
Operating and Storage Temperature Range Tj,T
STG -65 to +175 °C
Maximum Ratings @ TA= 25°C unless otherwise specified
Notes: 1. Valid provided that electrodes are kept at ambient temperature.
Characteristic Symbol Min Max Unit Test Condition
Maximum Forward Voltage VFM ¾1.0 V IF= 50mA
Maximum Peak Reverse Current IRM ¾
25
50
5.0
nA
mA
mA
VR= 20V
VR= 20V, Tj= 150°C
VR= 75V
Junction Capacitance Cj¾4.0 pF VR= 0, f = 1.0MHz
Reverse Recovery Time trr ¾4.0 ns IF= IR= 10mA, VR= 6V,
RL= 100W
Electrical Characteristics @ TA= 25°C unless otherwise specified
Features
·Case: QuadroMELF, Glass
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: Cathode Band
·Marking: Cathode Band Only
·Weight: 0.034 grams (approx.)
Mechanical Data
A
D
C
B
QuadroMELF
Dim Min Max
A3.3 3.7
B1.4 1.6
C1.7ÆTypical
D0.3 Typical
All Dimensions in mm
DS30003 Rev. A-2 2 of 2 LS4148
1
10
100
1000
10,000
0 100 200
I , LEAKAGE CURRENT (nA)
R
T , JUNCTION TEMPERATURE ( C)
Fig. 2 Leakage Current vs Junction Temperature
j
°
V = 20V
R
10
1.0
100
1000
0.1
0.01
01
2
I , INSTANTANE
O
US F
O
RWARD CURRENT (mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Forward Characteristics
F
T = 100 C
j
°
T = 25 C
j
°
