CDSQR4148-HF - Comchip Technology

SMD Switching Diode
CDSQR4148-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
75
V
Average forward current
IO
150
mA
Parameter
Conditions
Repetitive peak reverse voltage
Forward current, surge peak
Tp=1uS
Min
4
I FSM
Tp=1mS
Power dissipation
PD
Operating temperature range
Tj
Storage temperature range
A
1
125
-40
T STG
-40
Symbol
Min
mW
+125
O
+125
O
C
C
Electrical Characteristics (at T =25 ºC unless otherwise noted)
A
Parameter
Conditions
Typ
Max
Unit
Forward voltage
IF = 50 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
4
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.
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Comchip Technology CO., LTD.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSQR4148-HF)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
1000
10u
O
125 C
Reverse Current, ( A )
Forward Current, (mA )
100
10
O
C
O
C
C
-25
O
O
25
125
75
0.1
C
1
1u
O
75 C
100n
10n
O
25 C
1n
O
-25 C
0.1n
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
10
20
Forward Voltage, (V)
40 50
60
70
80
90 100
Reverse Voltage, (V)
Fig.3 - Capacitance Between
Terminals Characteristics
Fig.4 - Current Derating Curve
5
f=1MHz
Ta = 25°C
4
3
2
1
0
Average Forward Current, ( % )
Capacitance Between Terminals, (pF)
30
Mounting on glass epoxy PCBs
100
80
60
40
20
0
0
5
10
15
20
25
30
35
0
Reverse Voltage, (V)
25
50
75
100
125
150
Ambient Temperature, ( °C)
Company reserves the right to improve product design , functions and reliability without notice.
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Page 2
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Comchip Technology CO., LTD.
SMD Switching Diode
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
P
C
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.
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Page 3
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Comchip Technology CO., LTD.
SMD Switching Diode
Marking Code
Part Number
Marking Code
CDSQR4148-HF
S3
S3
Suggested PAD Layout
0402/SOD-923F
SIZE
(mm)
(inch)
A
0.75
0.030
B
0.50
0.020
C
0.70
0.028
D
1.25
0.049
E
0.25
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:C
Page 4
QW-G0010
Comchip Technology CO., LTD.