COMCHIP CDSU4148-HF

SMD Switching Diode
SMD Diodes Specialist
CDSU4148-HF (RoHS Device)
High Speed
Features
0603(1608)
Halogen free.
0.071(1.80)
0.063(1.60)
Designed for mounting on small surface.
Extremely thin/leadless package.
0.039(1.00)
0.031(0.80)
High mounting capability, strong surge
withstand, high reliability.
Mechanical data
0.033(0.85)
0.027(0.70)
Case: 0603 (1608) standard package,
molded plastic.
0.014(0.35) Typ.
Terminals: Gold plated, solderable per
MIL-STD-750, method 2026.
Polarity: Indicated by cathode band.
0.012 (0.30) Typ.
0.028(0.70) Typ.
Mounting position: Any.
Dimensions in inches and (millimeter)
Weight: 0.003 gram (approx.).
Maximum Rating ( at T A = 25 C unless otherwise noted )
Parameter
Conditions
Repetitive peak reverse voltage
Reverse voltage
Average forward current
Forward current , surge peak
Symbol Min Typ Max Unit
V RRM
100
V
VR
75
V
IO
150
mA
4
tp=1uS
I FSM
tp=1mS
A
1
Repetitive peak forward current
I FRM
300
mA
Power Dissipation
PD
150
mW
Storage temperature
T STG
-40
+125
C
Junction temperature
Tj
-40
+125
C
Electrical Characteristics ( at T A = 25 C unless otherwise noted )
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 = 1MHz, and 0 VDC reverse voltage
CT
4
pF
Reverse recovery time
I F = I R = 10 mA, R L =100 ohms, i rr = 1mA
Trr
4
nS
REV:B
Page 1
QW-G0001
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSU4148-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
REV:
Page 2
QW-G0001
Comchip Technology CO., LTD.
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
U/0603
U/0603
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.
REV:B
Page 3
QW-G0001
Comchip Technology CO., LTD.
SMD Switching Diode
SMD Diodes Specialist
Suggested PAD Layout
U/0603
SIZE
A
(mm)
(inch)
1.70
0.067
D
A
B
0.60
0.024
C
0.80
0.031
E
C
D
2.30
0.091
E
1.10
0.043
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
4000
7
Case Type
U/0603
REV:B
REV:
Page 4
QW-G0001
Comchip Technology CO., LTD.