COMCHIP CDSUR4448

SMD Switching Diode
SMD Diodes Specialist
CDSUR4448(RoHs Device)
Io = 125 mA
V R = 80 Volts
Features
0603(1608)
Fast Switching Speed
0.071(1.80)
0.063(1.60)
Designed for mounting on small surface.
Extremely thin/leadless package.
0.039(1.00)
0.031(0.80)
Mechanical data
Case: 0603(1608) Standard package,
molded plastic.
0.033(0.85)
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.027(0.70)
0.018(0.45) Typ.
Polarity: Indicated by cathode band.
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
Conditions
Repetitive peak reverse voltage
Symbol Min Typ Max Unit
V RRM
100
V
Reverse voltage
VR
80
V
Average forward rectified
current
IO
125
mA
I FSM
2
1
A
Forward current,surge peak
t = 1 us
t = 8.3ms
Storage temperature
T STG
Junction temperature
Tj
-40
+125
O
+125
O
C
C
Electrical Characteristics (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Forward voltage
I F = 5 mA
I F = 100 mA
VF
Reverse current
V R = 20 V
V R = 80 V
Capacitance between terminals
Reverse recovery time
0.72
1
V
IR
25
100
nA
f = 1 MH Z , and 0.5 VDC reverse voltage
CT
9
PF
I F = I R = 10mA,Irr=0.1 X I R ,R L =100ohm
Trr
9
nS
0.62
REV:A
QW-A0027
Page 1
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSUR4448)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
O
Reverse current ( A )
100
10
O
75 C
100n
10n
O
25 C
C
1n
O
O
25
1u
-25
75
O
C
O
C
0.1
C
1
125
Forward current (mA )
125 C
O
-25 C
0.1n
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
10
20
Forward voltage (V)
40
50
60
70
80
90 100
Reverse voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Fig. 4 - Current derating curve
5.0
f=1MHz
O
T A =25 C
Mounting on glass epoxy PCBs
Average forward current ( % )
Capacitance between terminals(pF)
30
4.0
3.0
2.0
1.0
100
80
60
40
20
0
0
0
5
10
15
20
25
Reverse voltage : (V)
30
35
0
25
50
75
100
125
150
Ambient temperature ( C)
REV:A
QW-A0027
Page 2