SMD Switching Diode
Page 1
QW-A0035
REV:B
Features
-
-Fast Switching Speed.
-Designed for mounting on small surface.
-Extremely thin/leadless package.
Mechanical data
-Case: 0402 standard package,
molded plastic.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
-Marking Code: Cathode band & S5
-Mounting position: Any
-Weight: 0.001 gram(approx.).
High Speed.
/SOD-923F
CDSQR4448
A
mA
V
V
1
125
80
100
IO
VR
VRRM
IFSM
O
Maximum Rating (at TA=25 C unless otherwise noted)
TP = 1uS
Average forward current
Reverse voltage
Repetitive peak reverse voltage
Forward current,surge peak
Parameter Conditions Symbol Min Typ
Max
Unit
OC
OC
+125
+125
-40TSTG
Tj
Storage temperature
Junction temperature
mW
125
PD
Power Dissipation
O
Electrical Characteristics (at TA=25 C unless otherwise noted)
V
0.72
VF
Forward voltage IF = 5 mA 0.62
PF
9
CT
Capacitance between terminals f = 1 MH , and 0.5 VDC reverse voltageZ
nA
25
IR
Reverse current VR = 20 V
nS
9
Trr
Reverse recovery time IF = IR = 10mA,Irr=0.1 X ,R =100ohmIR L
Parameter Conditions Symbol Min Typ
Max
Unit
2
TP = 8.3mS
0.041(1.05)
0.037(0.95)
0.026(0.65)
0.022(0.55)
Dimensions in inches and (millimeter)
0.020(0.50) Typ.
0.022(0.55)
0.018(0.45)
0.012(0.30) Typ.
Comchip Technology CO., LTD.
1
100
IF= 100 mA
VR = 80 V
0402/SOD-923F
RoHS Device
SMD Switching Diode
Page 2
QW-A0035
REV:B
RATING AND CHARACTERISTIC CURVES (CDSQR4448)
Forward current (mA )
Reverse voltage (V)
Reverse current ( A )
100n
0.1n
1u
10u
10n
1n
0 10 90 10020 30 40 50 60 70 80
Reverse voltage (V)
Capacitance between terminals(pF)
0510 15 20 25 30 35
0
1.0
2.0
3.0
4.0
5.0
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
1000
10
100
1
0.1
0.01
0.2 0.4 0.8 1.4
0 1.00.6 1.2 1.6
f=1MHz
O
TA=25 C
O
-25 C
O
25 C
O
75 C
O
125 C
O
-25C
O
25 C
O
75 C
O
125 C
0
20
40
60
80
100
0 25 50 75 100 125 150
Mounting on glass epoxy PCBs
Comchip Technology CO., LTD.
SMD Switching Diode
Page 3
QW-A0035
REV:B
Comchip Technology CO., LTD.
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
Reel Taping Specification
Polarity
BCdD 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 0.04±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.
0.75 0.10± 1.15 0.10±
4.00 0.10±
1.55 0.10±
3.50 0.05±1.75 0.10±
60.0 MIN. 13.0 0.20±0.60 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-A0035
REV:B
Part Number
CDSQR4448
Marking Code
S5
Marking Code
S5
Comchip Technology CO., LTD.
Suggested PAD Layout
SIZE
(inch)
0.030
(mm)
0.750
0.500
0.700
0.020
0.028
1.250 0.049
E0.250 0.010
Standard Package
A
B
C
D
A
C
B
E
D
Case Type
Qty per Reel
(Pcs)
5000
0402/SOD-923F
Reel Size
(inch)
7
0402/SOD-923F
