CDSF4148 Preliminary

SMD Switching Diode
CDSF4148
RoHS Device
Features
-Designed for mounting on small surface.
1005/SOD-323F
-Extremely thin/leadless package.
0.102(2.60)
0.095(2.40)
-High mounting capability, strong surge
withstand, high reliability.
-Use in sensitive electronics protection against
voltage transients induced by inductive load
switching and lighting on ICs, MOSFET, signal
lines of sensor units for consumer, computer,
industrial, automotive and telecommunication.
0.051(1.30)
0.043(1.10)
0.035(0.90)
Mechanical data
0.027(0.70)
0.020(0.50) Typ.
-Case: 1005 /SOD-323F standard package,
molded plastic.
-Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.012 (0.30) Typ.
0.040(1.00) Typ.
-Polarity: Indicated by cathode band.
-Mounting position: Any
Dimensions in inches and (millimeter)
-Weight: 0.006 gram(approx.).
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Reverse voltage
V RRM
100
V
Reverse voltage
VR
75
V
Average forward current
IO
150
mA
Forward current,surge peak
T P = 1uS
T P = 1mS
4
1
I FSM
Repetitive peak forward current
A
I FRM
300
mA
PD
350
mW
Thermal resistance junction
to ambient air
R θJA
286
°C/W
Storage temperature
T STG
Junction temperature
Tj
Power dissipation
-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
Reverse breakdown voltage
I R = 100 uA
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
V BR
75
V
REV:D
QW-A0015
Page 1
SMD Switching Diode
RATING AND CHARACTERISTIC CURVES (CDSF4148)
Fig. 1 - Forward characteristics
Fig. 2 - Reverse characteristics
1000
10u
Reverse current ( A )
10
C
C
C
-25
0.1
25
125
C
1
75
Forward current (mA )
125 C
100
1u
75 C
100n
10n
25 C
1n
-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
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
Reverse voltage : (V)
30
35
0
25
50
75
100
125
150
Ambient temperature ( C)
REV:D
QW-A0015
Page 2
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
1005
(SOD-323F)
1005
(SOD-323F)
SYMBOL
A
B
C
d
D
D1
D2
(mm)
1.55 ± 0.10
2.65 ± 0.10
1.05 ± 0.10
1.55 ± 0.05
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.061 ± 0.004
0.104 ± 0.004
0.041 ± 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.
REV:D
QW-A0015
Page 3
SMD Switching Diode
Suggested PAD Layout
1005/SOD-323F
SIZE
(mm)
(inch)
2.10
0.083
A
D
A
B
1.20
0.047
C
1.20
0.047
E
C
D
3.30
0.130
E
0.90
0.035
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
4000
7
Case Type
1005/SOD-323F
REV:D
QW-A0015
Page 4