CDSQR4148S-HF

SMD Switching Diode
CDSQR4148S-HF
RoHS Device
Halogen Free
Features
0402/SOD-923F
- High Speed.
- Designed for mounting on small surface.
- Extremely thin/leadless package.
- High mounting capability, strong surge
withstand, high reliability.
0.041(1.05)
0.037(0.95)
0.026(0.65)
0.022(0.55)
Mechanical data
- Case: 0402/SOD-923F standard package,
molded plastic.
- Terminals: Gold plated, Solderable per
MIL-STD-750,method 2026.
- Polarity: Indicated by cathode band.
- Mounting position: Any.
- Weight: 0.001 grams(approx.).
0.022(0.55)
0.018(0.45)
0.014(0.35)
0.010(0.25)
Circuit diagram
0.020(0.50)
0.016(0.40)
Dimensions in inches and (millimeter)
Maximum Rating (at T =25 ºC unless otherwise noted)
A
Symbol
Typ
Max
Unit
V RRM
100
V
Reverse voltage
VR
100
V
Average forward current
IO
150
mA
Parameter
Conditions
Repetitive peak reverse voltage
Forward current, surge peak
Tp=8.3mS
Min
I FSM
Repetitive peak forward current
1.5
A
I FRM
300
mA
Power dissipation
PD
125
mW
Operating temperature range
Tj
Storage temperature range
-40
T STG
-55
Symbol
Min
+150
O
+150
O
C
C
Electrical Characteristics (at T =25 ºC unless otherwise noted)
A
Parameter
Conditions
Typ
Max
Unit
Forward voltage
IF = 100 mA DC
VF
1.0
V
Reverse current
VR = 20V
VR = 75V
IR
25
2.5
nA
uA
Capacitance between terminals
f = 1MHz, and 0 VDC reverse voltage
CT
3
pF
Reverse recovery time
I F = I R = 10 mA, R L =100 ohms, I rr = 1mA
T rr
4
nS
Company reserves the right to improve product design , functions and reliability without notice.
REV: B
Page 1
QW-G0018
Comchip Technology CO., LTD.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSQR4148S-HF)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
100
Reverse Current, (μA)
Forward Current, (mA )
1000
100
150°C
10
125°C
100°C
1
75°C
10
150°C
125°C
1
100°C
75°C
0.1
50°C
25°C
0.01
25°C
0.001
0.1
0.2
0.4
0.6
0.8
1.0
0
30
60
90
120
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Between
Terminals Characteristics
Fig. 4 - Current Derating Curve
150
1.0
f=1MHz
T A =25°C
Average Forward Current, ( % )
Capacitance Between Terminals,(pF)
0
0.8
0.6
0.4
0.2
Mounting on glass epoxy PCBs
100
80
60
40
20
0
0
0
10
20
30
40
Reverse Voltage, (V)
0
25
50
75
100
125
150
Ambient Temperature, ( °C)
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 2
QW-G0018
Comchip Technology CO., LTD.
SMD Switching Diode
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
C
P
A
12
o
0
D2
D1 D
W1
Trailer
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
0402
(SOD-923F)
0402
(SOD-923F)
SYMBOL
A
B
C
d
D
D1
D2
(mm)
0.75 ± 0.10
1.15 ± 0.10
0.60 ± 0.10
1.55 + 0.10
178 ± 1
60.0 MIN.
13.0 ± 0.20
(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
E
F
P
P0
P1
T
W
W1
(mm)
1.75 ± 0.10
3.50 ± 0.05
4.00 ± 0.10
4.00 ± 0.10
2.00 ± 0.10
0.22 ± 0.05
8.00 ± 0.20
13.5 MAX.
(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.
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 3
QW-G0018
Comchip Technology CO., LTD.
SMD Switching Diode
Marking Code
Part Number
Marking Code
CDSQR4148S-HF
.S3
.S3
Suggested PAD Layout
0402/SOD-923F
SIZE
(mm)
(inch)
A
0.750
0.030
B
0.500
0.020
C
0.700
0.028
D
1.250
0.049
E
0.250
0.010
D
A
E
C
B
Standard Packaging
Case Type
0402/SOD-923F
Qty Per Reel
Reel Size
(Pcs)
(inch)
5,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:B
Page 4
QW-G0018
Comchip Technology CO., LTD.
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