LS4148/LS4448/LS914B
500mW High Speed SMD Switching Diode
Small Signal Diode
QUADRO Mini-MELF (LS34)
HERMETICALLY SEALED GLASS
C
Features
Fast switching device(Trr<4.0nS)
Surface device type mounting
Moisture sensitivity level 1
B
D
E
Matte Tin(Sn) lead finish with Nickel(Ni) underplate
Pb free version and RoHS compliant
A
All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Unit (mm)
Min Max
Unit (inch)
Min Max
Dimensions
Mechanical Data
A
B
C
D
E
Case : QUADRO Mini-MELF Package (JEDEC DO-213)
High temperature soldering guaranteed : 270°C/10s
Polarity : Indicated by cathode band
Weight : 29 ± 2.5 mg
3.30 3.70 0.130 0.146
1.40 1.60 0.055 0.063
0.25 0.40 0.010 0.016
1.25 1.40 0.049 0.055
1.80
0.071
Ordering Information
Part No.
LSxxxx L1
LSxxxx L0
Package
Packing
QUADRO Mini-MELF
2.5Kpcs / 7" Reel
QUADRO Mini-MELF 10Kpcs / 13" Reel
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Symbol
PD
Value
Units
mW
V
Power Dissipation
500
100
75
Non-Repetitive Peak Reverse Voltage
Repetitive Peak Reverse Voltage
Peak Forward Surge Current
VRSM
VRRM
IFSM
V
2
A
Non-Repetitive Peak Forward Current
Mean Forward Current
IFM
450
150
300
mA
mA
°C/W
°C
IO
Thermal Resistance (Junction to Ambient) (Note 1)
Junction and Storage Temperature Range
RθJA
TJ, TSTG
-65 to + 200
Electrical Characteristics
Type Number
Symbol
Min
Max
Units
100
75
-
-
IR=100uA
Reverse Breakdown Voltage
IR=5uA
V(BR)
V
Forward Voltage
0.62
0.72
1.0
1.0
25
LS4448, LS914B
LS4148
IF=5.0mA
VF
IR
-
-
-
-
-
-
V
IF=10.0mA
IF=100.0mA
VR=20V
LS4448, LS914B
nA
μA
pF
ns
Reverse Leakage Current
5.0
4.0
4.0
VR=75V
CJ
Junction Capacitance
VR=0, f=1.0MHz
Trr
Reverse Recovery Time (Note 2)
Notes:1. Valid provided that electrodes are kept at ambient temperature
Notes:2. Reverse Recovery Test Conditions: IF=IR=10mA, RL=100Ω, IRR=1mA
Version : C09