SMD Switching Diode
CDSU4448
I
o
= 125 mA
V
R
= 80 Volts
RoHS Device
0603/SOD-523F
Features
-Fast Switching Speed
-Designed for mounting on small surface.
-Extremely thin/leadless package.
0.071(1.80)
0.063(1.60)
0.039(1.00)
0.031(0.80)
Mechanical data
-Case: 0603/SOD-523F Standard package,
molded plastic.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
-Polarity: Indicated by cathode band.
0.012 (0.30) Typ.
0.014(0.35) Typ.
0.033(0.85)
0.027(0.70)
-Mounting position: Any
-Weight: 0.003 gram(approx.).
0.028(0.70) Typ.
Dimensions in inches and (millimeter)
Maximum Rating
(at T
A
=25 C unless otherwise noted)
O
Parameter
Repetitive peak reverse voltage
Reverse voltage
Average forward rectified
current
Forward current,surge peak
Storage temperature
Junction temperature
t = 1 us
t = 8.3ms
Conditions
Symbol Min Typ Max Unit
V
RRM
V
R
I
O
I
FSM
T
STG
T
j
-40
-40
100
80
125
2
1
+125
+125
V
V
mA
A
O
C
C
O
Electrical Characteristics
(at T
A
=25 C unless otherwise noted)
O
Parameter
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
I
F
= 5 mA
I
F
= 100 mA
V
R
= 20 V
V
R
= 80 V
Conditions
Symbol Min Typ Max Unit
V
F
I
R
C
T
Trr
0.62
0.72
1
25
100
9
9
V
nA
P
F
f = 1 MH
Z
, and 0.5 VDC reverse voltage
I
F
= I
R
= 10mA,Irr=0.1 X I
R
,R
L
=100ohm
nS
REV:A
QW-A0017
Page 1
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSU4448)
Fig. 1 - Forward characteristics
1000
10u
125 C
O
Fig. 2 - Reverse characteristics
Reverse current ( A )
Forward current (mA )
100
1u
75 C
O
10
100n
1
10n
25 C
O
C
C
O
125
O
-25
75
25
O
C
0.1
1n
-25 C
O
O
C
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.1n
0
10
20
30
40
50
60
70
80
90 100
Forward voltage (V)
Reverse voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Capacitance between terminals(pF)
5.0
Fig. 4 - Current derating curve
Average forward current ( % )
f=1MHz
O
T
A
=25 C
4.0
Mounting on glass epoxy PCBs
100
80
3.0
60
2.0
40
1.0
20
0
0
5
10
15
20
25
30
35
0
0
25
50
75
100
125
150
Reverse voltage : (V)
Ambient temperature ( C)
REV:A
QW-A0017
Page 2