COMCHIP CDSER4148-HF

SMD Switching Diode
SMD Diodes Specialist
CDSER4148-HF
(RoHS Device)
High Speed
Features
Halogen free.
0503(1308)
Designed for mounting on small surface.
0.053(1.35)
0.045(1.15)
Extremely thin/leadless package.
High mounting capability, strong surge
withstand, high reliability.
0.034(0.85)
0.026(0.65)
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.
0.030(0.75)
0.024(0.60)
Mechanical data
0.016(0.40) Typ.
Case: 0503(1308) standard package,
molded plastic.
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.022(0.55) Typ.
Polarity: Indicated by cathode band.
Dimensions in inches and (millimeter)
Mounting position: Any
Weight: 0.002 gram(approx.).
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
350
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:A
QW-G0013
Comchip Technology CO., LTD.
Page 1
SMD Switching Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDSER4148-HF)
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:A
QW-G0013
Comchip Technology CO., LTD.
Page 2
SMD Schottky Barrier 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
ER/0503
ER/0503
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:A
Page 3
QW-G0013
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDSER4148-HF
S3
S3
Suggested PAD Layout
ER/0503
SIZE
A
(mm)
(inch)
0.85
0.033
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
ER/0503
REV:A
Page 4
QW-G0013
Comchip Technology CO., LTD.