COMCHIP CDSF4148-HF

SMD Switching Diode
SMD Diodes Specialist
CDSF4148-HF(RoHS Device)
High Speed
Features
Halogen free.
Designed for mounting on small surface.
1005(2512)
Extremely thin/leadless package.
0.102(2.60)
0.095(2.40)
High mounting capability, strong surge
withstand, high reliability.
0.051(1.30)
0.043(1.10)
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.
0.035(0.90)
0.027(0.70)
Mechanical data
0.020(0.50) Typ.
Case: 1005(2512) standard package,
molded plastic.
0.012 (0.30) Typ.
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.040(1.00) Typ.
Polarity: Indicated by cathode band.
Dimensions in inches and (millimeter)
Mounting position: Any
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:B
QW-G0003
Comchip Technology CO., LTD.
Page 1
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSF4148-HF)
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
30
35
0
Reverse voltage : (V)
25
50
75
100
125
150
Ambient temperature ( C)
REV:B
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Comchip Technology CO., LTD.
Page 2
SMD Switching Diode
SMD Diodes Specialist
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
F/1005
F/1005
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:B
QW-G0003
Comchip Technology CO., LTD.
Page 3
SMD Switching Diode
SMD Diodes Specialist
Suggested PAD Layout
F/1005
SIZE
A
(mm)
(inch)
2.10
0.083
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
F/1005
REV:B
QW-G0003
Comchip Technology CO., LTD.
Page 4