Reverse Voltage: 20 - 100 Volts
Forward Current: 1.0 Amp
CDBB120 Thru CDBB1100
SMD Schottky Barrier Rectifier
SMD Schottky Barrier Rectifier
www.comchip.com.tw
COMCHIP
COMCHIP
Parameter
Max. Repetitive Peak Reverse Voltage
Max. DC Blocking Voltage
Max. RMS Voltage
Peak Surge Forward Current
8.3ms single half sine-wave
superimposed on rate load
( JEDEC method )
Max. Average Forward Current
Max. Instantaneous Forward Current
at 1.0 A
Max. DC Reverse Current at Rated DC
Blocking Voltage Ta=25
Ta=100
Max. Thermal Resistance (Note 1)
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
Maximum Ratings and Electrical Characterics
Unit
V
V
V
A
A
V
.
mA
C/W
MDS0211004A
Page 1
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
CDBB120
CDBB1100
CDBB180
CDBB160
CDBB140
20
20
14
100
100
70
80
80
56
60
60
42
40
40
28
35
1.0
0.50
0.85
0.70
- 5 0 t o + 1 2 5
80
20
0.5
- 6 5 t o + 1 5 0
5
10
C
C
C
C
SMB/DO-214AA
Dimensions in inches and (millimeter)
0.008(0.20)
0.203(0.10)
0.083(2.11)
0.075(1.91)
0.096(2.44)
0.083(2.13)
0.050(1.27)
0.030(0.76)
0.155(3.94)
0.130(3.30)
0.185(4.70)
0.160(4.06)
0.012(0.31)
0.006(0.15)
0.220(5.59)
0.200(5.08)
Features
Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.
flammability classification 94V-0
Built-in strain relief
Low forward voltage drop
Mechanical Data
Case: JEDEC DO-214AA molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. Weight:0.093 gram
50
Rating and Characteristic Curves (CDBB120 Thru CDBB1100)
Fig. 1 - Reverse Characteristics
Percent of Rated Peak Reverse Voltage (%)
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
m
A
)
Fig. 4 - Current Derating Curve
Ambient Temperature ( C)
0
0.6
1.2
160
20
40
60
80
100
120 140
A
v
e
r
a
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
www.comchip.com.tw
COMCHIP
COMCHIP
0 20 40 60 80 100 120 140 160 180 200
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Forward Voltage (V)
Fig.2 - Forward Characteristics
0.1 1.0 10 100
MDS0211004A
Page 2
Fig. 3 - Junction Capacitance
Reverse Voltage (V)
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1
J
u
n
c
t
i
o
n
C
a
p
a
c
i
t
a
n
c
e
(
p
F
)
1000
100
10
SMD Schottky Barrier Rectifier
SMD Schottky Barrier Rectifier
0.2
0.4
1.0
0.8
P
e
a
k
s
u
r
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Fig. 5 - Non repetitive forward
surge current
0
10
20
40
30
1 5 10 50 1 00
Number of Cycles at 60Hz
1
100
10
0.1
0.01
1
100
10
0.1
0.01
Tj=75 C
Tj=25 C
Tj=25 C
Pulse width 300uS
4% duty cycle
C
D
B
B
1
2
0
-1
4
0
C
D
B
B
1
6
0
-1
1
0
0
Tj=25 C
8.3mS Single Half Sine
Wave JEDEC methode
CDBB180-1100
CDBB160
=1MHz and applied
4VDC reverse voltage
CDBB120-140
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