CDSER4148

SMD Switching Diode
CDSER4148
RoHS Device
Features
0503/SOD-723F
-High Speed.
0.053(1.35)
0.045(1.15)
-Designed for mounting on small surface.
-Extremely thin/leadless package.
0.034(0.85)
0.026(0.65)
-High mounting capability, strong surge
withstand, high reliability.
Mechanical data
-Case: 0503 /SOD-723F standard package,
molded plastic.
0.030(0.75)
0.024(0.60)
0.016(0.40) Typ.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
-Marking code: cathode band & S3
-Mounting position: Any
0.022(0.55) Typ.
-Weight: 0.002 gram(approx.).
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Repetitive peak reverse voltage
V RRM
100
V
Reverse voltage
VR
75
V
Average forward current
IO
150
mA
Forward current,surge peak
T P = 1uS
4
I FSM
T P = 1mS
Repetitive peak forward current
Power Dissipation
A
1
I FRM
300
mA
PD
150
mW
Storage temperature
T STG
Junction temperature
Tj
-40
+125
O
+125
O
C
C
Electrical Characteristics (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Forward voltage
I F = 50 mA DC
VF
1.0
V
Reverse current
V R = 20 V
V R = 75 V
IR
25
2.5
nA
uA
Capacitance between terminals
f = 1 MH Z ,and 0VDC 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
REV:C
Page 1
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Comchip Technology CO., LTD.
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSER4148)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
O
Reverse current ( A )
100
10
O
25
C
O
C
O
125
0.1
C
-25 O
C
1
75
Forward current (mA )
125 C
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
40
50
60
70
80
90 100
Reverse voltage (V)
Forward voltage (V)
Fig. 3 - Capacitance between
terminals characteristics
Fig. 4 - Current derating curve
5.0
f=1MHz
Ta = 25 C
Mounting on glass epoxy PCBs
O
Average forward current ( % )
Capacitance between terminals : (pF)
30
4.0
3.0
2.0
1.0
100
80
60
40
20
0
0
0
5
10
15
20
25
30
35
0
Reverse voltage : (V)
25
50
75
100
125
150
Ambient temperature ( C)
REV:C
Page 2
QW-A0031
Comchip Technology CO., LTD.
SMD Switching Diode
Reel Taping Specification
d
P0
P1
T
E
Index hole
F
W
B
Polarity
P
C
A
12
o
0
D2
D1 D
W1
Trailer
.......
.......
End
Device
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
0503
(SOD-723F)
0503
(SOD-723F)
SYMBOL
A
B
C
d
D
D1
D2
(mm)
0.90 ± 0.10
1.46 ± 0.10
0.80 ± 0.10
1.55 ± 0.05
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.035 ± 0.004
0.057 ± 0.004
0.031 ± 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 ± 0.10
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
0.008 ± 0.002
0.315 ± 0.008
0.531 MAX.
REV:C
Page 3
QW-A0031
Comchip Technology CO., LTD.
SMD Switching Diode
Marking Code
Part Number
Marking Code
CDSER4148
S3
S3
Suggested PAD Layout
0503/SOD-723F
SIZE
(mm)
(inch)
0.85
0.033
A
D
A
B
0.55
0.022
C
0.85
0.033
E
C
D
1.40
0.055
E
0.30
0.118
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
4000
7
Case Type
0503/SOD-723F
REV:C
Page 4
QW-A0031
Comchip Technology CO., LTD.