CDSUR4148-HF
SMD Switching Diode
Preliminary
Page 1
QW-G0002
REV:C
Comchip Technology CO., LTD.
RoHS Device
Halogen Free
Circuit diagram
Mechanical data
- Case: 0603/SOD-523F standard package,
molded plastic.
- Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
- Mounting position: Any.
- Weight: 0.003 grams(approx.).
- Polarity: Indicated by cathode band.
Features
- Extremely thin/leadless package.
- High Speed.
- Designed for mounting on small surface.
- High mounting capability, strong surge
withstand, high reliability.
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)
0.030(0.75)
0.020(0.50)
0603/SOD-523F
0.016(0.40)
0.026(0.65)
VVF
nS
pF
4
4
CT
Trr
mA
V
V
IO
VR
VRRM
OC
OC
-40TSTG
Tj
mWPD
Maximum Rating (at TA=25 ºC unless otherwise noted)
Parameter Conditions Symbol Min Typ
Max
Unit
Reverse current
Forward voltage
Electrical Characteristics (at TA=25 ºC unless otherwise noted)
Reverse voltage
Repetitive peak reverse voltage
Average forward current
Forward current, surge peak
Power dissipation
Storage temperature range
Junction temperature range
Capacitance between terminals
Reverse recovery time
Parameter Conditions Symbol Min Typ
Max
Unit
IF = 50 mA DC
f = 1MHz, and 0 VDC reverse voltage
IF = IR = 10 mA, RL =100 ohms, Irr= 1mA
-40
75
100
150
150
+125
+125
1.0
IFSM A
Tp=1uS
Tp=1mS
4
1
nA
IR25
VR = 75V
VR = 20V
2.5 uA
Company reserves the right to improve product design , functions and reliability without notice.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSUR4148-HF)
Forward Current, (mA )
Reverse Voltage, (V)
Reverse Current, ( A )
0.2 0.4 0.8 1.4
0 1.00.6
100n
0.1n
1000
10
100 1u
10u
10n
1n
1.2
1
0.1
0.01
0 10 90 10020 30 40 50 60 70 80
1.81.6
Forward Voltage, (V)
Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics
O
125C
O
75 C
O
25C
O
-25C
O
-25 C
O
25 C
O
75 C
O
125 C
Page 2
QW-G0002
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
Reverse Voltage, (V)
Capacitance Between Terminals, (pF)
0510 15 20 25 30 35
0
1
2
3
4
5
f=1MHz
Ta = 25°C
Ambient Temperature, ( °C)
Average Forward Current, ( % )
Mounting on glass epoxy PCBs
Fig.4 - Current Derating Curve
Fig.3 - Capacitance Between
Terminals Characteristics
0 25 50 75 100 125 150
0
20
40
60
80
100
SMD Switching Diode
Page 3
QW-G0002
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
B C dD D2D1
E F P P0P1T
SYMBOL
A
W W
1
(mm)
(inch) 0.039 ± 0.004
SYMBOL
(mm)
(inch)
1.00 ± 0.10
0603
(SOD-523F)
1.85 ± 0.10 1.00 ± 0.10 1.55 ± 0.10 178 ± 1.00 60.0 MIN. 13.0 ± 0.20
0.073 ± 0.004 0.039 ± 0.004 0.061 ± 0.004 7.008 ± 0.04 2.362 MIN. 0.512 ± 0.008
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.
1.75 ± 0.10 3.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.23 ± 0.05 8.00 ± 0.20 13.50 MAX.
0603
(SOD-523F)
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
D1
D2
D
W1
T
C
Direction of Feed
Index hole
d
E
F
B W
P
P0
P1
A
Reel Taping Specification
SMD Switching Diode
Page 4
QW-G0002
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
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
A
B
C
D
A
C
B
E
D
0603/SOD-523F
Standard Packaging
Case Type
Qty Per Reel
(Pcs)
4,000
0603/SOD-523F
Reel Size
(inch)
7
