1/3
1
2
SOD–323
1
CATHODE
2
ANODE
Switching diode
L1SS355T1
.Applications
High speed switching
.Features
1) Small surface mounting type.
2) High Speed.(trr=1.2ns Typ.)
3) High reliability with high surge current handling capability.
4) Pb-Free package is available.
.Construction
Silicon epitaxial planar
.Absolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
V
RM
90 V
V
R
80 V
I
FM
225 mA
I
O
100 mA
500 mA
125 °C
Tstg −55~+125 °C
I
surge
Tj
Peak reverse voltage
DC reverse voltage
Peak forward current
Surge current (1s)
Junction temperature
Mean rectifying current
Storage temperature
.Electrical characteristics (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditons
V
F
−−1.2 V I
F
=100mA
I
R
−−0.1 µAV
R
=80V
−−3.0 pF V
R
=0.5V, f=1MHz
t
rr
−−4nsV
R
=6V, I
F
=10mA, R
L
=100Ω
C
T
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
.
Device Marking and Ordering Information
LESHAN RADIO COMPANY, LTD.
Device Marking Shipping
L1SS355T1 A 3000/Tape&Reel
L1SS355T1G A
(Pb-Free) 3000/Tape&Reel
2/3
.Electrical characteristic curves (Ta=25°C)
Ta=125°C
75°C
25°C
−25°C
Fig.1 Forward characteristics
FORWARD VOLTAGE : V
F
(V)
10µ0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
100µ
1m
10m
100m
1
FORWARD CURRENT : I
F
(A)
0 20406080100120
1n
10n
100n
1µ
10µ
0.1m
1m
Ta=125°C
Ta=75°C
Ta=25°C
Fig.2 Reverse characteristics
REVERSE VOLTAGE : V
R
(V)
REVERSE CURRENT : I
R
(A)
Fig.3 Capacitance between
terminals characteristics
REVERSE VOLTAGE : V
R
(V)
CAPACITANCE BETWEEN TERMINALS : C
T
(pF)
02468101214
0.1
0.2
0.5
1
2
5
10
V
R
=6V
I
rr
=1/10I
R
Fig.4 Reverse recovery time
characteristics
FORWARD CURRENT : I
F
(mA)
REVERSE RECOVERY TIME : t
rr
(ns)
0 102030
0
1
2
3
Fig.5 Surge current characteristics
PULSE WIDTH : T
W
(ms)
SURGE CURRENT : Isurge (A)
0.1 1 10 100 1000 10000
1
5
10
2
20
50
PULSE
Single pulse
100
Fig.6 Reverse recovery time (t
rr
) measurement circuit
SAMPLING
OSCILLOSCOPE
PULSE GENERATOR
OUTPUT 50Ω
5kΩ
50Ω
0.01µFD.U.T.
L1SS355T1
LESHAN RADIO COMPANY, LTD.
3/3
K
A
D
12B
C
E
0.63
0.02''
0.83
0.033''
1.60
0.063"
2.85
0.112''
mm
inches
H
J
SOD
-
323
NOTES:
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETERS
MIN MAX MIN MAX
1.60 1.80 0.063 0.071
1.15 1.35 0.045 0.053
0.80 1.00 0.031 0.039
0.25 0.40 0.010 0.016
0.15 REF 0.006 REF
0.00 0.10 0.000 0.004
0.089 0.177 0.0035 0.0070
2.30 2.70 0.091 0.106
MILLIMETERS
DIM
A
B
C
D
E
H
J
K
INCHES
L1SS355T1
PIN:1:CATHODE
2:ANODE
LESHAN RADIO COMPANY, LTD.
