SMD Switching Diode
CDSU4148-HF
RoHS Device
Halogen Free
Features
- High Speed.
- Designed for mounting on small surface.
- Extremely thin/leadless package.
- High mounting capability, strong surge
withstand, high reliability.
0603/SOD-523F
0.071(1.80)
0.063(1.60)
0.039(1.00)
0.031(0.80)
Mechanical data
- Case: 0603/SOD-523F standard package,
molded plastic.
- Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
- Polarity: Indicated by cathode band.
- Mounting position: Any.
- Weight: 0.003 grams(approx.).
0.033(0.85)
0.027(0.70)
0.018(0.45)
0.012(0.30)
0.014(0.35)
0.011(0.28)
Circuit diagram
0.030(0.75)
0.026(0.65)
Dimensions in inches and (millimeter)
Maximum Rating
(at T =25 ºC unless otherwise noted)
A
Parameter
Repetitive peak reverse voltage
Reverse voltage
Average forward current
Forward current, surge peak
Power dissipation
Operating temperature range
Storage temperature range
Tp=1uS
Tp=1mS
Conditions
Symbol
V
RRM
V
R
I
O
I
FSM
P
D
T
j
T
STG
Min
Typ
Max
100
75
150
Unit
V
V
mA
A
4
1
150
-40
-40
+125
+125
mW
O
C
C
O
Electrical Characteristics
(at T =25 ºC unless otherwise noted)
A
Parameter
Forward voltage
Reverse current
Capacitance between terminals
Reverse recovery time
I
F
= 50 mA DC
V
R
= 20V
V
R
= 75V
Conditions
Symbol
V
F
I
R
C
T
T
rr
Min
Typ
Max
1.0
25
2.5
4
4
Unit
V
nA
uA
pF
nS
f = 1MHz, and 0 VDC reverse voltage
I
F
= I
R
= 10 mA, R
L
=100 ohms, I
rr
= 1mA
Company reserves the right to improve product design , functions and reliability without notice.
QW-G0001
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Comchip Technology CO., LTD.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSU4148-HF)
Fig.1 - Forward Characteristics
1000
10u
125 C
Fig.2 - Reverse Characteristics
Forward Current, (mA )
Reverse Current, ( A )
100
1u
10
100n
75 C
1
C
125
C
C
10n
25 C
1n
-25 C
0
10
20
30
40 50
60
70
80
90 100
75
0.1
25
-25
C
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.1n
Forward Voltage, (V)
Reverse Voltage, (V)
Fig.3 - Capacitance Between
Terminals Characteristics
Capacitance Between Terminals, (pF)
5
Fig.4 - Current Derating Curve
Average Forward Current, ( % )
f=1MHz
Ta = 25°C
Mounting on glass epoxy PCBs
100
80
4
3
60
40
20
2
1
0
0
5
10
15
20
25
30
35
0
0
25
50
75
100
125
150
Reverse Voltage, (V)
Ambient Temperature, ( °C)
Company reserves the right to improve product design , functions and reliability without notice.
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REV:
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Comchip Technology CO., LTD.
SMD Switching Diode
Reel Taping Specification
P
0
P
1
d
Index hole
E
T
F
B
P
A
W
C
12
0
o
D
2
D
1
D
W
1
Trailer
.......
.......
10 pitches (min)
Device
.......
.......
.......
.......
Leader
.......
.......
10 pitches (min)
End
Start
Direction of Feed
SYMBOL
A
1.00 ± 0.10
0.039 ± 0.004
B
1.85 ± 0.10
0.073 ± 0.004
C
1.00 ± 0.10
0.039 ± 0.004
d
1.55 ± 0.10
0.061 ± 0.004
D
178 ± 1.00
7.008 ± 0.04
D
1
60.0 MIN.
2.362 MIN.
D
2
13.0 ± 0.20
0.512 ± 0.008
0603
(SOD-523F)
(mm)
(inch)
SYMBOL
E
1.75 ± 0.10
0.069 ± 0.004
F
3.50 ± 0.05
0.138 ± 0.002
P
4.00 ± 0.10
0.157 ± 0.004
P
0
4.00 ± 0.10
0.157 ± 0.004
P
1
2.00 ± 0.10
0.079 ± 0.004
T
0.23 ± 0.05
0.009 ± 0.002
W
8.00 ± 0.20
0.315 ± 0.008
1
W
0603
(SOD-523F)
(mm)
(inch)
13.50 MAX.
0.531 MAX.
Company reserves the right to improve product design , functions and reliability without notice.
QW-G0001
REV:C
Page 3
Comchip Technology CO., LTD.