SMD Switching Diode
Page 1
QW-G0011
REV:C
Comchip Technology CO., LTD.
VVF
nS
pF
9
9
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
f = 1MHz, and 0.5 VDC reverse voltage
IF = IR = 10 mA, Irr = 0.1 X IR, RL =100 ohm
-40
80
100
125
125
+125
+125
0.62
IFSM A
Tp=1uS
Tp=8.3mS
2
1
nAIR25
VR = 80V
VR = 20V
100
IF = 5 mA
IF = 100 mA
0.72
1
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.
- Fast Switching Speed.
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)
Company reserves the right to improve product design , functions and reliability without notice.
CDSQR4448-HF
RoHS Device
Halogen Free
SMD Switching Diode
Page 2
QW-G0011
REV:C
RATING AND CHARACTERISTIC CURVES (CDSQR4448-HF)
1
O
-25 C
O
25 C
O
75 C
O
125 C
O
-25 C
O
25 C
O
75 C
O
125C
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
0.1
0.01
0 10 90 10020 30 40 50 60 70 80
1.6
Forward Voltage, (V)
Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics
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-G0011
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-G0011
REV:C
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
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
S5
Part Number
CDSQR4448-HF
Marking Code
S5
Marking Code
