SMD Switching Diode
Page 1
QW-G0010
REV:C
Comchip Technology CO., LTD.
0402/SOD-923F
Dimensions in inches and (millimeter)
0.041(1.05)
0.037(0.95)
0.026(0.65)
0.022(0.55)
0.020(0.50)
0.022(0.55)
0.018(0.45)
0.014(0.35)
0.010(0.25)
0.016(0.40)
Circuit diagram
Mechanical data
- Case: 0402/SOD-923F standard package,
molded plastic.
- Terminals: Gold plated, Solderable per
MIL-STD-750,method 2026.
- Mounting position: Any.
- Weight: 0.001 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.
CDSQR4148-HF
RoHS Device
Halogen Free
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
Operating 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
125
+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
Page 2
QW-G0010
REV:C
RATING AND CHARACTERISTIC CURVES (CDSQR4148-HF)
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
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
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-G0010
REV:C
Comchip Technology CO., LTD.
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
D1
D2
D
W1
T
C
Direction of Feed
Reel Taping Specification
o
120
Index hole
d
E
F
B W
P
P0
P1
A
B C dD D2
D1
E F P P0P1T
SYMBOL
A
W W1
(mm)
(inch) 0.030 ± 0.004 0.045 ± 0.004 0.024 ± 0.004 0.061 + 0.004 7.008 ± 0.040 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.
0.75 ± 0.10 1.15 ± 0.10
4.00 ± 0.10
1.55 + 0.10
3.50 ± 0.051.75 ± 0.10
60.0 MIN. 13.0 ± 0.200.60 ± 0.10
4.00 ± 0.10 2.00 ± 0.10 0.22 ± 0.05 8.00 ± 0.20 13.5 MAX.
178 ± 1
0402
(SOD-923F)
0402
(SOD-923F)
Company reserves the right to improve product design , functions and reliability without notice.
SMD Switching Diode
Page 4
QW-G0010
REV:C
Comchip Technology CO., LTD.
Standard Packaging
Case Type Qty Per Reel
(Pcs)
5,000
0402/SOD-923F
Reel Size
(inch)
7
Suggested PAD Layout
SIZE
(inch)
0.030
(mm)
0.75
0.50
0.70
0.020
0.028
0402/SOD-923F
1.25 0.049
E0.25 0.010
A
B
C
D
A
C
B
E
D
S3
Part Number
CDSQR4148-HF
Marking Code
S3
Marking Code
Company reserves the right to improve product design , functions and reliability without notice.