COMCHIP CDBK70

SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBK70 (RoHS Device)
Io = 70 mA
V R = 70 Volts
Features
SOD-123F
Low forward Voltage.
0.144(3.65)
0.136(3.45)
Designed for mounting on small surface.
Extremely thin / leadless package.
Majority carrier conduction.
0.069(1.75)
0.061(1.55)
Mechanical data
Case: SOD-123F standard package,
molded plastic.
0.035(0.90)
0.027(0.70)
Terminals: Gold plated, solderable per
MIL-STD-750,method 2026.
0.024(0.60) Typ.
Marking code: cathode band & BG
Mounting position: Any
0.012 (0.30) Typ.
Weight: 0.011 gram(approx.).
0.057(1.45) Typ.
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Peak reverse voltage
Reverse voltage
RMS reverse voltage
Average forward rectified current
Forward current,surge peak
8.3 ms single half sine-wave superimposed
on rate load(JEDEC method)
V RM
70
V
VR
70
V
V R(RMS)
49
V
IO
70
mA
I FSM
0.1
A
Storage temperature
T STG
Junction temperature
Tj
-65
+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 = 1mA
I F = 15mA
VF
0.41
1
V
Reverse current
V R = 50V
IR
0.1
uA
Capacitance between terminals
f = 1 MHz, and 0 VDC reverse voltage
CT
2
pF
Reverse recovery time
I F =I R =10mA,Irr=0.1xIR,RL=100 Ohm
T rr
5
nS
REV:A
Page 1
QW-A1129
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
RATING AND CHARACTERISTIC CURVES (CDBK70)
Fig. 1 - Forward characteristics
100
C
O
100u
C
O
25 C
12
5
O
75
Fig. 2 - Reverse characteristics
O
125 C
Reverse current ( A )
Forward current (mA )
O
0 C
O
-40 C
10
1
10u
O
75 C
1u
100n
O
25 C
10n
O
0 C
1n
O
-40 C
0.1
0.1n
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
10
30
40
60
50
70
Reverse voltage (V)
Forward voltage (V)
Fig.3 - Capacitance between
terminals characteristics
Fig.4 - Current derating curve
120
2.0
f=1MHz
O
T A =25 C
1.8
Mounting on glass epoxy PCBs
Average forward current(%)
Capacitance between terminals ( P F)
20
1.6
1.4
1.2
1.0
0.8
0.6
0.4
100
80
60
40
20
0.2
0
0
0
5
10
15
20
25
30
35
40
0
25
50
75
100
125
150
O
Reverse voltage (V)
Ambient temperature ( C)
REV:A
Page 2
QW-A1129
Comchip Technology CO., LTD.
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
Device
.......
.......
End
.......
.......
Leader
.......
.......
.......
.......
10 pitches (min)
Start
10 pitches (min)
Direction of Feed
K
SOD-123F
K
SOD-123F
SYMBOL
A
B
C
d
D
D1
D2
(mm)
1.90 ± 0.10
3.80 ± 0.10
1.05 ± 0.10
1.55 ± 0.10
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.075 ± 0.004
0.150 ± 0.004
0.041 ± 0.004
0.061 ± 0.004
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
0.22 ± 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
0.009 ± 0.002
0.315 ± 0.008
0.531 MAX.
REV:A
Page 3
QW-A1129
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDBK70
BG
BG
Suggested PAD Layout
K/SOD-123F
SIZE
A
(mm)
(inch)
3.45
0.136
D
A
B
1.30
0.051
C
1.60
0.063
E
C
D
4.75
0.187
E
2.15
0.085
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
3000
7
Case Type
K/SOD-123F
REV:A
Page 4
QW-A1129
Comchip Technology CO., LTD.