CDSU4448-HF

SMD Switching Diode
CDSU4448-HF
I o = 125 mA
V R = 80 Volts
RoHS Device
Halogen Free
0603/SOD-523F
0.071(1.80)
0.063(1.60)
Features
- Fast Switching Speed
- Designed for mounting on small surface.
- Extremely thin/leadless package.
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)
0.030(0.75)
0.026(0.65)
Circuit diagram
Dimensions in inches and (millimeter)
Maximum Rating (at T =25 ºC unless otherwise noted)
A
Symbol Min
Typ
Max
Unit
V RRM
100
V
Reverse voltage
VR
80
V
Average forward rectified current
IO
125
mA
I FSM
1
A
PD
400
mW
RΘJA
250
°C/W
Parameter
Conditions
Repetitive peak reverse voltage
Forward current, surge peak
8.3 ms single half sine-wave
superimposed on rate load
(JEDEC method)
Power dissipation
Thermal resistance
Junction to ambient
Operating temperature range
Storage temperature range
Tj
-40
+125
°C
T STG
-40
+125
°C
Max
Unit
Electrical Characteristics (at T =25 ºC unless otherwise noted)
A
Parameter
Conditions
Symbol Min
Typ
Forward voltage
IF = 5 mA
IF = 100 mA
VF
0.72
1
V
Reverse current
VR = 20V
VR = 80V
IR
25
100
nA
Capacitance between terminals
f = 1MHz, and 0.5 VDC reverse voltage
CT
9
pF
Reverse recovery time
I F = I R = 10 mA, I rr = 0.1 X I R , R L =100 ohm
T rr
9
nS
Company reserves the right to improve product design , functions and reliability without notice.
QW-A0032
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Page 1
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSU4448-HF)
Fig.1 - Forward Characteristics
Fig.2 - Reverse Characteristics
1000
10u
O
Reverse Current, ( A )
100
10
O
C
O
25
1u
O
75 C
100n
10n
O
25 C
1n
-25
75
O
C
O
C
0.1
C
1
125
Forward Current, (mA )
125 C
O
-25 C
0.1n
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
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
T A =25°C
Average Forward Current, ( % )
Capacitance Between Terminals, (pF)
30
4
3
2
1
Mounting on glass epoxy PCBs
100
80
60
40
20
0
0
0
5
10
15
20
25
Reverse voltage, (V)
30
35
0
25
50
Company reserves the right to improve product design , functions and reliability without notice.
QW-A0032
75
100
125
150
Ambient Temperature, ( °C)
REV:A
Page 2
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
0603
(SOD-523)
0603
(SOD-523)
SYMBOL
A
B
C
d
D
D1
D2
(mm)
1.00 ± 0.10
1.85 ± 0.10
1.00 ± 0.10
1.55 ± 0.05
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.039 ± 0.004
0.073 ± 0.004
0.039± 0.004
0.061 ± 0.002
7.008 ± 0.04
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 ± 0.05
0.23 ± 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:A
Page 3
QW-G0032
Comchip Technology CO., LTD.
SMD Switching Diode
Marking Code
Part Number
Marking Code
CDSU4448-HF
S5
S5
Suggested PAD Layout
0603/SOD-523F
SIZE
(mm)
(inch)
A
1.70
0.067
B
0.60
0.024
C
0.80
0.031
D
2.30
0.091
E
1.10
0.043
D
A
E
C
B
Standard Packaging
Case Type
0603/SOD-523F
Qty Per Reel
Reel Size
(Pcs)
(inch)
4,000
7
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
Page 4
QW-G0032
Comchip Technology CO., LTD.
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