CDSUR4148
SMD Switching Diode
Preliminary
O
Electrical Characteristics (at TA=25 C unless otherwise noted)
nS
PF
nA
uA
V
4
4
25
2.5
1.0
CT
IR
VF
Trr
Capacitance between terminals
Reverse current
Forward voltage
Reverse recovery time
Parameter Conditions Symbol Min Typ
Max
Unit
f = 1 MHZ,and 0VDC reverse voltage
VR = 20 V
VR = 75 V
IF = 50 mA DC
IF = = 10 mA, RL =100 ohms, Irr = 1mAIR
A
mA
V
V
4
1
150
75
100
IO
VR
VRRM
IFSM
O
Maximum Rating (at TA=25 C unless otherwise noted)
TP = 1uS
TP = 1mS
mA
300
Repetitive peak forward current
Average forward current
Reverse voltage
Repetitive peak reverse voltage
Forward current,surge peak
Parameter Conditions Symbol Min Typ
Max
Unit
OC
OC
+125
+125
-40
TSTG
Tj
Storage temperature
Junction temperature
mW
150
PD
Power Dissipation
IFRM
0.071(1.80)
0.063(1.60)
0.039(1.00)
0.031(0.80)
0.033(0.85)
0.027(0.70)
Dimensions in inches and (millimeter)
0.028(0.70) Typ.
0.018(0.45) Typ.
REV:B
Page 1
QW-A0025
Features
-Designed for mounting on small surface.
-Extremely thin/leadless package.
-High mounting capability, strong surge
withstand, high reliability.
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.
-Mounting position: Any.
-Weight: 0.003 gram (approx.).
-High Speed
RoHS Device
0603/SOD-523F
SMD Switching Diode
REV:B
Page 2
QW-A0025
RATING AND CHARACTERISTIC CURVES (CDSUR4148)
Forward current (mA )
Reverse voltage (V)
Reverse current ( A )
0.2 0.4 0.8 1.4
0 1.00.6
100n
0.1 n
1000
10
100 1u
10u
10n
1n
1.2
1
0.1
0.0 1
0 10 90 10020 30 40 50 60 70 80
1.81.6
Reverse voltage : (V)
Capacitance between terminals : (pF)
0510 15 20 25 30 35
0
1.0
2.0
3.0
4.0
5.0
f=1MHz
O
Ta = 25 C
Ambient temperature ( C)
Forward voltage (V)
Average forward current ( % )
0
20
40
60
80
100
0 25 50 75 100 125 150
Mounting on glass epoxy PCBs
Fig. 1 - Forward characteristics Fig. 2 - Reverse characteristics
Fig. 4 - Current derating curve
Fig. 3 - Capacitance between
terminals characteristics
O
125C
O
75 C
O
25 C
O
-25C
O
-25 C
O
25 C
O
75 C
O
125 C
SMD Switching Diode
REV:B
Page 3
QW-A0025
Index hole
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
d
E
F
B W
A
P
P0
P1
D1
D2
D
W1
T
C
Direction of Feed
BCdD D2
D1
E F P P0P1T
SYMBOL
A
W W1
Reel Taping Specification
(mm)
(inch) 0.039 0.004±0.073 0.004±0.039 0.004±0.061 0.002±7.008 0.04±2.362 MIN. 0.512 0.008±
SYMBOL
(mm)
(inch) 0.069 0.004±0.138 0.002±0.157 0.004±0.157 0.004±0.079 0.004±0.009 0.002±0.315 0.008±0.531 MAX.
Polarity
1.00 0.10± 1.85 0.10±
4.00 0.10±
1.55 0.05±
3.50 0.05±1.75 0.10±
60.0 MIN. 13.0 0.20±1.00 0.10±
4.00 0.10± 2.00 0.05± 0.23 0.05± 8.00 0.20± 13.5 MAX.
178 1±
0603
(SOD-523F)
0603
(SOD-523F)
SMD Switching Diode
REV:B
Page 4
QW-A0025
Suggested PAD Layout
SIZE
(inch)
0.049
(mm)
1.25
0.60
1.00
0.024
0.039
1.85 0.073
E0.65 0.026
Standard Package
A
B
C
D
A
C
B
E
D
0603/SOD-523F
Case Type
Qty per Reel
(Pcs)
4000
0603/SOD-523F
Reel Size
(inch)
7
