COMCHIP CDBKM140

SMD Schottky Barrier Diode
SMD Diodes Specialist
CDBKM140 (RoHS Device)
Io = 1A
V R = 40 Volts
Features
SOD-123F
Ideal for surface mount applications.
0.154(3.90)
0.138(3.50)
Easy pick and place.
0.012(0.30) Typ.
Plastic package has Underwriters Lab.
flammability classification 94V-0.
0.071(1.80)
0.055(1.40)
Exceeds environmental standard MIL-S19500/228.
Low leakage current.
Mechanical data
0.110(2.80)
0.094(2.40)
Case: SOD-123F standard package,
molded plastic.
0.067(1.70)
0.051(1.30)
Terminals: solderable per MIL-STD-750,
method 2026.
0.035(0.90) Typ.
0.035(0.90) Typ.
Polarity: Indicated by cathode band.
Mounting position: Any
Weight: 0.027 gram(approx.).
Dimensions in inches and (millimeter)
Maximum Rating (at T A =25 C unless otherwise noted)
O
Parameter
Conditions
Symbol Min Typ Max Unit
Repetitive peak reverse voltage
V RRM
40
V
RMS voltage
V RMS
28
V
Reverse voltage
VR
40
V
Forward rectified current
IO
1
A
Thermal resistance
Forward surge current
98
RθJA
8.3 ms single half sine-wave superimposed
on rate load (JEDEC method)
30
I FSM
Storage temperature
T STG
Junction temperature
Tj
°C/W
-55
A
+150
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 = 1A
VF
0.50
V
Reverse current
V R = 40V
IR
0.1
mA
Capacitance between terminals
f = 1 MHz, and 4 VDC reverse voltage
CT
120
pF
REV:A
Page 1
QW-A1132
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Rating and Characteristic Curves (CDBKM140)
Fig.1 Reverse Characteristics
Fig.2 - Forward Characteristics
100
1
Forward Current ( A )
10
IR, Reverse Current (uA)
1000
10
T j =25°C
1
T j =25°C
0.1
0.01
0.001
0.1
0
20
40
60
80
100
120
0.1
0.2
Percent of Rated Peak Reverse Voltage (%)
0.4
0.5
0.7
0.6
0.8
Forward Voltage (V)
Fig.3 Junction Capacitance
Fig. 4 - Current Derating Curve
180
1.4
f = 1 MHz
Ta = 25 C
160
Average forward current ( A )
Junction Capacitance (pF)
0.3
140
120
100
80
60
40
20
0
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
30
35
40 45
0
Reverse voltage (V)
25
50
75
100
125
150
Ambient Temperature ( C)
Fig.5 Non-repetitive Forward
Surge Current
IFSM, Peak Forward Surge Current (A)
30
TJ=25
8.3ms single half sine
wave, JEDEC method
24
18
12
6
0
1
10
100
Number of Cycles at 60Hz
REV:A
Page 2
QW-A1132
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
KM
SOD-123F
KM
SOD-123F
SYMBOL
A
B
C
d
D
D1
D2
(mm)
3.90 ± 0.10
1.90 ± 0.10
1.68 ± 0.10
1.55 ± 0.10
178 ± 1
60.0 MIN.
13.0 ± 0.20
(inch)
0.154 ± 0.004
0.075 ± 0.004
0.066 ± 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-A1132
Comchip Technology CO., LTD.
SMD Schottky Barrier Diode
SMD Diodes Specialist
Marking Code
Part Number
Marking Code
CDBKM140
14
14
Suggested PAD Layout
KM/SOD-123F
SIZE
A
(mm)
(inch)
3.30
0.130
D
A
B
1.40
0.055
C
1.90
0.075
E
C
D
4.70
0.185
E
1.90
0.075
B
Standard Package
Qty per Reel
Reel Size
(Pcs)
(inch)
3000
7
Case Type
KM
SOD-123F
REV:A
Page 4
QW-A1132
Comchip Technology CO., LTD.