SMD Switching Diode
Page 1
QW-G0009
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.
- Low leakage current.
CDSQR400B-HF
RoHS Device
Halogen Free
Maximum Rating (at TA=25 ºC unless otherwise noted)
Electrical Characteristics (at TA=25 ºC unless otherwise noted)
uA
V
IR
VF
nS
PF
4
3
CT
Trr
Reverse current
Forward voltage
Capacitance between terminals
Reverse recovery time
Parameter Conditions Symbol Min Typ
Max
Unit
IF = 100 mA DC
VR = 80V
f = 1MHz, and 0.5V DC reverse voltage
VR = 6V, IF = 10mA, RL = 50 ohms
0.1
1.0
mA
V
V
IO
VR
VRRM
IFSM
OC
OC
-55TSTG
Tj
mWPD
mA
Parameter Conditions Symbol Min Typ
Max
Unit
Reverse voltage
Repetitive peak reverse voltage
Average forward current
Forward current, surge peak
Power dissipation
Storage temperature range
Operating temperature range
8.3 ms single half sine-wave superimposed
on rate load (JEDEC method)
-40
1000
80
90
100
125
+125
+125
Company reserves the right to improve product design , functions and reliability without notice.
SMD Switching Diode
Page 2
QW-G0009
REV:C
RATING AND CHARACTERISTIC CURVES (CDSQR400B-HF)
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
Forward Current, (mA )
0.2 0.4 0.8 1.4
0 1.00.6
1000
10
100
1.2
1
0.1
0.01
1.81.6
Forward Voltage, (V)
Fig.1 - Forward Characteristics
O
125C
O
75 C
O
25C
O
-25C
Reverse Voltage, (V)
Capacitance Between Terminals, (pF)
0510 15 20 25 30 35
0
1
2
3
4
5
f=1MHz
Ta = 25°C
Fig.3 - Capacitance Between
Terminals Characteristics
Reverse Voltage, (V)
Reverse Current, ( A )
100n
0.1n
1u
10u
10n
1n
0 10 90 10020 30 40 50 60 70 80
Fig.2 - Reverse Characteristics
O
-25 C
O
25 C
O
75 C
O
125 C
Ambient Temperature, ( °C)
Average Forward Current, ( % )
Mounting on glass epoxy PCBs
Fig.4 - Current Derating Curve
0 25 50 75 100 125 150
0
20
40
60
80
100
SMD Switching Diode
Page 3
QW-G0009
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
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)
SMD Switching Diode
Page 4
QW-G0009
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
S4
Part Number
CDSQR400B-HF
Marking Code
S4
Marking Code
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
