SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
CDBA120 Thru CDBA1100GS
Reverse Voltage: 20 - 100 Volts
Forward Current: 1.0 Amp
Features
DO-214AC (SMA)
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
0.067(1.70)
0.051(1.29)
0.180(4.57)
0.160(4.06)
0.110(2.79)
0.086(2.18)
Mechanical data
0.090(2.29)
0.067(1.70)
0.012(0.31)
0.006(0.15)
Case: JEDEC DO-214AC molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. weight:0.064 gram
0.059(1.50)
0.035(0.89)
0.209(5.31)
0.185(4.70)
0.008(0.20)
0.004(0.10)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characterics
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
C
Ta=100
C
Max. Thermal Resistance (Note 1)
R
R
Operating Junction Temperature
Storage Temperature
Tj
T
STG
JA
JL
Symbol
V
RRM
V
DC
V
RMS
I
FSM
CDBA120GS
CDBA140GS CDBA160GS
CDBA180GS
CDBA1100GS
Unit
V
V
V
A
20
20
14
40
40
28
60
60
42
80
80
56
100
100
70
35
Io
V
F
I
R
10
0.50
1.0
0.70
0.85
A
V
.
mA
0.5
5
88
C/W
20
-50 to +125
-65 to +150
C
C
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
MDS0208007C
Page 1
SMD Schottky Barrier Rectifier
COMCHIP
www.comchip.com.tw
Rating and Characteristic Curves (CDBA120GS Thru CDBA1100GS)
Fig. 1 - Reverse Characteristics
100
100
Fig.2 - Forward Characteristics
CDBA120-140GS
Reverse Current ( mA )
Forward Current ( A )
10
10
CDBA160GS
CDBA180-1100GS
1
1
Tj=75 C
0.1
0.1
Tj=25 C
0.01
0.01
Tj=25 C
Pulse width 300uS
4% duty cycle
0
20
40
60
80
100 120 140 160 180 200
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7
Forward Voltage (V)
1.9 2.1
Percent of Rated Peak Reverse Voltage (%)
Fig. 3 - Junction Capacitance
350
300
Junction Capacitance (pF)
=1MHz and applied
4VDC reverse voltage
Fig. 4 - Current Derating Curve
250
200
150
100
50
0
0.01
0.1
1.0
10
100
Average Forward Current ( A )
1.2
1.0
CD
0.8
0.6
BA
CD
BA
12
0-1
40
16
10
0-1
0
G
S
0.4
0.2
0
20
40
60
80
100
Reverse Voltage (V)
Ambient Temperature ( C)
GS
120
140
160
Fig. 5 - Non repetitive forward
surge current
Peak surge Forward Current ( A )
50
8.3mS Single Half Sine
Wave JEDEC methode
40
30
Tj=25 C
20
10
0
1
5
10
50
1 00
Number of Cycles at 60Hz
MDS0208007C
Page 2
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