Voltage: 20- 40 Volts
Current: 0.5 Amp
CDBW0520 - CDBW0540
Feature
Low turn-on voltage
Fast switching
PN junction guard ring for transient and
ESD protection
Mechanical data
Case: SOD-123, molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Indicated by cathode band
Mounting position: Any
Weight:0.008 grams
SMD Schottky Barrier Diodes
SMD Schottky Barrier Diodes
www.comchip.com.tw
COMCHIP
COMCHIP
Parameter
Max.RepetitivePeak Reverse Voltage
Max. DC Blocking Voltage
Max. RMS Voltage
Peak Surge Forward Current
8.3ms single half sine-wave
Sine-wave superimposed on
Rate load ( JEDEC )
Max. AverageForward Current
Max. Forward Current at 0.1 A
0.5 A
Max. Reverse Current
Max. Thermal Resistance
Operating junction temperature
Storage temperature
Symbol
V
RRM
V
DC
V
RMS
I
FSM
I o
V
F
I
R
R
JA
R
JL
T j
T
STG
CDBW0520
20
14
20
0.3
0.385
0.075 @ V
R
=10V
0.25 @ V
R
=20V
Maximum Ratings and Electrical Characterics
Unit
V
V
V
A
A
V
mA
CDBW0530
30
21
30
5.5
0.5
0.375
0.430
0.02 @ V
R
=15V
0.13 @ V
R
=30V
CDBW0540
40
28
40
0.51
0.01@ V
R
=20V
0.02 @ V
R
=40V
.154 (3.90)
.016 (.40)Min.
.005 (.12) MAX.
.098 (2.50)
.110 (2.80)
.141 (3.60)
.
0
3
7
(
0
.
9
5
)
.
0
5
3
(
1
.
3
5
)
.
0
0
8
(
0
.
2
0
)
M
a
x
.
.
0
5
5
(
1
.
4
0
)
.
0
7
1
(
1
.
8
0
)
.
0
1
9
(
0
.
5
0
)
.
0
2
8
(
0
.
7
0
)
Dimensions in inches and (millimeters)
SOD-123
MDS0208001B
Page 1
C
C
C/W
Note 1: Thermal resistance from junction to ambient and junction to to lead P.C.B. Mounted on 0.2 x 0.2 copper pad areas
206
150
-55 to +125
-55 to +125
RATING AND CHARACTERISTIC CURVES (CDBW0520-0540)
Fig. 1 - Reverse Characteristics
0.1
1
Reverse Voltage (V)
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
u
A
)
Fig. 4 - Current Derating Curve
Mounting on glass epoxy PCBs
0.1
0.2
0.3
0.4
0.5
0.6
0
25
50
75
100
125
150
A
v
e
r
a
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
SMD Schottky Barrier Diodes
SMD Schottky Barrier Diodes
www.comchip.com.tw
COMCHIP
COMCHIP
1000
0.01
10
100
Fig. 2 - Reverse Characteristics
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
u
A
)
Reverse Voltage (V)
10000
1000
0 5 10 15 20 25
0 5 10 15 20 25
Fig. 3 - Capacitance Between
Terminals characteristics
Reverse Voltage (V)
C
a
p
a
c
i
t
a
n
c
e
B
e
t
w
e
e
n
T
e
r
m
i
n
a
l
s
(
p
F
)
0
50
100
150
200
5 10 15 2 0 25
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Forward Voltage (V)
Fig. 3 - Forward Characteristics
0.1 0.2 0.3 0.4 0.5
0.01
0.1
1
10
MDS0208001B
Page 2
Tj=25 C
Tj=75 C
Tj=25 C
Ambient Temperature ( C)
Tj=100 C
Tj=100 C
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